Essays on Exhaust

The general effort involves in-depth investigation into the fundamental mechanism of turbine engine noise generation and will heavily depend on the results of current Department of Transportation and National Aeronautics as well as Space Administration engine noise reduction programs (Prasad & Atassi, 2009). The first effort in this series is focused toward afterburning supersonic jet exhaust system that has an operating condition typically of supersonic transport (SST) and long-range strategic aircraft propulsion system. The supersonic jet exhaust noise effort entails three programs directed tow developing the technology to significantly reduce supersonic aircraft population system noise with minimum associated weight penalties ...

The laws meant that the Bowen plant of the Southern Company had to reduce the amount of sulphur dioxide released during the production of electricity. Prior to the enactment of the laws, Bowen’s sulphur dioxide emissions amounted to thirty tons an hour (Reinhardt 2). This amount translated to an annual emission of 262800 tons assuming 8760 hours in a year. Between 1995 and 2000 during the first phase of the implementation of the laws, the plant would only be allowed annual emissions of 254,580 tons of sulphur dioxide. This translates to hourly emissions of 29.06 tons (Reinhardt ...

Introduction

Coal is a very cheap and abundant provision of energ. In fact, it is the most abundant fuel in the United States; U.S. has the highest coal reserve in the world, with up to 25% of the known world coal present in America and being mined in 26 out of the U.S. 50 states (fe.doe.gov, 2013). However, this abundant energy is seldom used because it is a very dirty energy. According to Hong & Slatick (1994), up to 204.3 pounds of carbon dioxide per million Btu is emitted when coal having 78% carbon content is completely burned to attain a ...

Executive Summary

This report paper provides information about a business idea whose aim is to provide an alternative mean of transport that is convenient in short distances, less costly, and which can take short time to avoid exhausting for ill or old persons. This report talks about a phone application called Travel companion. This application helps one to travel from city to city by car in a more efficient and comfort manner. With this application, one is linked with other persons travelling to common destination ad also splits your expenses and burdens incurred while travelling with other persons. This application helps ...

Abstract

The concentration of carbon dioxide has been abnormally increasing over the years. In the year 2016, its concentration exceeded the limitations, and has been considered as a dangerous situation. As a response to the increasing carbon dioxide content in the Earth’s atmosphere, different processes are being suggested in order to lower the concentration. Carbon Capture and Storage, or CCS, is one of these processes. Generally, there are three different phases of this process: the pre-combustion, the oxyfuel, and the post-combustion. These three phases have different processes in which the carbon dioxide content is being separated from the other ...

CHAPTER II

This chapter will seek to conduct an absolute inquiry into what makes up security interest laws in the United States. In order to lay the foundation for comparisons in subsequent chapters, the three main elements of the study of the Saudi system will be reviewed here in the context of U.S laws with an emphasis on California state law. The features of the California legal system will include the assessment of foreclosure rules and patterns in California. This will include a detailed fact-based evaluation of CCP580 (b), CCP580 (d) and CCP726 (a). The different components will enable the study ...

ENGINE MANAGEMENT SYSTEM

Introduction This study evaluates the operating principles of vehicle fuel systems, vehicle ignition systems and pressure charging of engines. The report attempts to evaluate the operating features of actuators and sensors used in the ignition systems and engine management system of vehicles. It also analyzes the types of pressure charging systems, its shortfalls and how it affects the enhanced power of the engine. The secondary sources which form the bulk of this report are primarily research from various sources. The paragraphs below look into the sensors and actuators and the pressure charging systems.

Sensors and Actuators

Types of Sensors and function The ...

If a fuel mixture can be represented by the general formula CxH2x, prove that the stoichiometric gravimetric air/fuel ratio is 14.8:1.

The combustion reaction for a given fuel mixture will look as follows:

CxH2x + 1.5x(O2 + 3.76N2) → xCO2 + xH2O + 1.5x*3.76N2 The molar ratio is 1.5x:1, to find the gravimetric ratio, the masses of the air and fuel should be found. This can be done by multiplying molar ratio with molar weights of the fuel and air. m(fuel) = 12*x + 2x*1 = 14x m(air) = 1.5x(16*2 + 3.76*14*2) = 1.5x*137.28 = 205.92x The gravimetric stoichiometric air/fuel ratio then is 205.92x:14x = 14.71:1 The dry exhaust gas analysis from an ...

The issue of the pollution of the environment has been an issue that has always been addressed in different forums. This is mainly due to the fact that the continuous pollution makes the world less inhabitable for man. Pollution may be on different components of the earth; from water, to air to the ground itself. Various mechanisms have been developed as a way of ensuring that we are able to conserve the environment (Shaw 14). These may include measures like ensuring that the citizens use biodegradable products in order to prevent the instances of soil pollution, or ensuring that ...

Question 1

It is evident that particulate matter is becoming increasingly concentrated in Asia as reported by WHO. Power plants, dust storms, fossil fuels burning in vehicles as well as various industrial facilities result in highly significant amounts of particulates in the Asian continent. People in countries such as Pakistan, Bangladesh, India, and Nepal are prone to and in most cases suffer from aggravating respiratory and heart diseases such as emphysema, bronchitis, and asthma. Bronchitis, characterized by coughing up of dry mucus which is sometimes colored, is an inflammation of the lining of the bronchial tubes that carry air to the ...

The article is about comparing the pollution caused by cars in the 1970’s to the pollution that existed in the United States prior to the automobile. The focus of the article is the pollution caused by the waste of horses. Horses were the cause of a number of pollution related issues in the past. The gases that they released along with the fecal matter they left behind not only resulted in foul odors, but were harmful to the environment and people’s health. There was also the issue of noise, which subsequently increased to horrifying levels in cities ...

Fuel Cell Technologies in Passenger Cars

Fuel Cell Technology The last decade is characterized by the rapid development of research activity in the field of fuel cells, thus, creating the conditions for their uptake in electric systems. The basic fuel cells’ operating principle has been known for 150 years. However, a variety of technical and financial problems had kept them on the margins of technological applications (Brandon & Hart, 1999). The basic difference between a fuel cell and batteries is that while batteries store energy, fuel cells directly convert a fuel’s chemical energy into electricity by an electrochemical reaction (i.e. Without requiring combustion or movement ...

Business Final Essay

Abstract Global warming is a serious issue that is facing the world today. Despite the tireless efforts put across by various nations to reduce the effect, it remains an issue to be addressed urgently. Many scholars have conducted research with an aim of determining the causes of global warming and have concluded that it is subject to environmental pollution by human beings. Human beings actions such as cutting down trees, burning forests, industries gas emissions, and emissions from vehicle exhaust fumes to the environment are some of the main human actions that accelerate the issue of global warming. This ...

As a large automobile manufacturer, our core mission is to develop into internationally competitive automobile company. Firstly, to approach the situation, we need to know what impact the economic development has on the environment. Our company cannot successfully pursue pecuniary interest, if its production causes harmful environmental pollution. Every person on the earth, and specifically large automobile manufacturers should have a responsibility to improve the environment. We are aware that, the earth's resources are limited, and due to our overexploitation of energy, it makes the environmental damage incredibly serious. With a more rapid economic development over the past couple ...

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Introduction

Cruise ships are used to take vacationers on recreational voyages. The ships provide amenities that enhance the passengers experience such as lounging facilities, cinemas, indoor sports, swimming pools, and music concerts among others. Cruise ships usually take the vacationers on a round trip through a given number of destinations, which usually include a number of coastal downs, before returning them to the port of origin. The cruise industry started in the early 1970s and was widely embraced in 1971 as a viable tourist attraction when a ship known as the Pacific Princess was featured in ...

Management

Introduction The concept of fire prevention is attributed to the function of fire personnel in actively responding to incidents of fire outbreaks. In fire prevention, it is the goal of the key personnel to educate the public in taking precautions to prevent hazards that could potentially cause an outbreak. On the organizational level, the Fire Office/Manager assumes this responsibility by ensuring compliance to the fire prevention codes. This includes the responsibility to investigate, monitor, inspect, report, and conduct precautionary measures to address potential hazards if found. The discussion will present the mission statement stipulating the role and responsibilities of ...

The insurance agent was correct that the seafood was contaminated with the fumes that resulted from the fire. Toxic fumes quickly diffuse through the air. The toxic fumes were absorbed by the polyethylene curtain which covered the food despite it being thick (Brook et al. 2660). Therefore, the seafood needed to be thrown away since it had the toxic fumes.

What chemical(s) may be present causing the symptoms in the workers?

The two employees are affected by the phosphine gas which leaked into the room and made them experience the symptoms such as nausea and headache. The scenario shows that they were the only people who were affected by the ...

The air near the surface will usually become warmer throughout the day. This is one of the main reasons why it is unstable. Then at night, the air that is close to the surface will begin to cool. This is going to form a temperature inversion or a stable atmosphere.2. Inversions aloft are sometimes called “capping inversions” or “lids”. Why?

This is because it is like putting a lid on the atmosphere.

3. You are flying at 4,000 feet AGL over a city during the day. There are no clouds present. As you descend to land at a nearby airport, you notice that, although visibility was very good at 4, ...

The Problem

For this case study, we focus on an application of regression analysis in engineering. In this case study, we use data to build a model for predicting average electrical output, y. In this case study, we use data from a Combined Cycle Power Plant to build a model for average electrical output, y. We examine the residuals, the deviations between the predicted and the actual electrical output levels, to detect an independent variable omitted from the regression model.

The Data – Source: UCI Machine Learning Repository

A combined cycle power plant (CCPP) is composed of steam turbines (ST), gas turbines (GT), and heat recovery steam generators . In ...

Abstract

A rotary engine is one of the ancient internal-combustion engines ever used. These type of engines were designed with an odd number of cylinder per row in a radial configuration. The crack shaft remained stationary throughout the operation. One advantage of this kind of engine is that it is a simple engine that utilizes less moving components. On the other hand, a piston engine or a reciprocating engine is a heat engine that uses one or several reciprocating pistons. The piston engine converts pressure into a rotating motion. A piston engine has the capability to seal the gap in ...

In the recent days, international trade has become a common feature of all global business enterprises. The adoption of globalization and the creation of regional trading blocs have greatly contributed to the increased international trade activities. This paper seeks to examine the interactions and relationships between the USA and Japan and Korea in the context of international trade. In the past, the US- Japan and US- Korea economic relationships have proved to be strong and mutually advantageous in various ways. These economies have a great integration through capital flows and trade in goods and services. Each country forms a ...

07th of April 2016

Air pollution impacts the human health and the environment in various ways - by direct and immediate threat (smog, etc.) to the slow and gradual destruction of the body's various life-support systems. In many cases, air pollution negatively affects the structural components of the ecosystem to such an extent that the regulatory processes are not able to return to their original state and thus the homeostasis mechanism fails. The atmosphere is the air shell of the Earth. Air quality involves the totality of its properties, reflecting the level of exposure to physical, chemical and biological factors on humans, plant ...

Automobiles are an essential part of the modern world of travelling and rapid busy life. And, like every other mechanical device, from time to time they need changing. The question of changing a car is always very important for the car owner, as the car market provides a wide choice of different products. This choice depends on the manufacturer, price, model, equipment, etc. However, it is worth highlighting one more factor that influences the choice of the car: its previous usage. According to the Q3 Used Vehicle Market Report, the amount of sold used cars increases by 2-3% with ...

Introduction

Energy is a key driver of any nation’s economy. The extent to which it contributes to the performance of all activities surrounding the human life is beyond measure. This is because energy contributes almost fully to the economic development of the economy. In its physical form, energy is classified either as renewable or non-renewable. Renewable energy forms the green energy that can be reused again and is less toxic to the environment. On the other hand, non-renewable energy is exploited once it’s used and mostly pollutes the environment. All this energy forms can be either used directly ...

Roofing Ventilation

The need for ventilation in roofs and attics became apparent after it was observed that moisture inside attics, caused by the phenomenon of condensation, was deteriorating a large portion of the roofing materials and in extreme cases the insulation of the ceiling. Adding to this grief, wet attics became the breeding place for a variety of fungi and moulds . From then, wet attics had become the nightmare of many house owners. If roofing ventilations were a fancy contraption in the early days, in the modern world they are an integral part of any roofing solution. And gladly, there are ...

Volkswagen Scandal

Dear XYZ, In response to the work assigned for preparing a report on Volkswagen emission controversy, please find enclosed the detailed internal report containing my findings and recommendations pertaining to the issue. As I found, the company is going through the tough time when it is facing actions from the regulators and other agencies for violating the emission norms of the different countries. Also, there is a big blow to credibility in the eyes of customers. Concerted efforts of all the stakeholders are required to tide over the crisis. Based on the sources I referred to, the report goes ...

Introduction

The fundamental process of thermal power plants is based on the conversion of thermal energy into mechanical energy and, subsequently, into electric power, using steam as the working fluid. According to the U.S. Energy Information System, over 67% of the electrical energy in the United States is generated through thermoelectric power plants, which use the combustion of fossil fuels such as natural gas, coal and petroleum to generate the steam necessary for the process; moreover, thermoelectric power generation accounts for an approximate 80% of all the power generation worldwide. Thus, the electricity consumed in most homes and industries is ...

An automotive engine is a propulsion system responsible for moving automobiles from one place to another. An engine converts energy from a fuel or a battery to the mechanical energy used to spin the wheels, thus setting a vehicle in motion. There are different types of engines used in the automotive industry today. These include internal combustion engines and electricity driven vehicles. The internal combustion engines burn fuels such as petrol, diesel, natural gas or propane. Electric engines are fitted with electromagnetic motors that are powered by electric currents from storage batteries on the vehicle. The sole purpose of ...

INTERNAL COMBUSTION ENGINE

Introduction The invention and eventual development of internal combustion engines marked a significant stage in the evolution of engines since it provided a way for industrialists and engineers to build an engine that would suit various applications. Unlike the bulky and messy steam engines, internal combustion engines opened the possibilities of creating smaller, but more efficient engines that can be mounted on different types of machineries. The most common applications of which are in transport vehicles such as the engines used in automobiles, trucks, vessels and planes. Moreover, internal combustion engines are also used in non-mobile applications such as ...

Abstract

This article is about two types of engines; the rotary engine and the piston engine. It examines the differences between the two types of engines and their different areas of application. This refers to the specific cars where the two types are used, as well as the market response with reference to the cars in question. Furthermore, the disadvantages and advantages of the two are closely looked into, where it is determined why the piston engine is most preferred by the auto manufacturers and car enthusiasts. Besides, the article concludes with which engine type is suitable depending on the ...

According to EPA (2016), environmental management involves the development of systems aimed at reducing environmental impacts of various activities. In the Brundtland commission report (WCED), sustainable development has been described as development aimed at meeting the current needs of the present generation. However, as the current generation focuses on meeting their own needs, their activities should not compromise the capability of future generations to also meet their own needs. Available evidence suggests that the future generation would have challenges meeting their own needs if the current generation fails to adopt sustainable practices. The sustainable development incorporates the triple line: ...

Abstract

Titanium metal is mainly used in the automotive industry due to its high-temperature resistance, high strength, resistance to wear and corrosion, and the unique properties of its alloys. Titanium applications in exhausts systems are the key attractive entry point of the metal into the automotive industry. The applications of titanium and its alloys in the automotive industry in making exhausts systems has been in existence for quite some years. Its application is supposedly limited to the first class road models and the racing cars because of its temperature capability and the cost.With the recent modification of titanium by alloying ...

Lab Report: Four Stroke Internal Combustion Engine Simulation

Introduction Internal combustion engines work utilizing the results of combustion as the working liquid as opposed to as heat exchange medium. The combustion is carried out in a way so as to yield high pressure gaseous products with sufficient energy to rotate a turbine or move a piston. The development of these high pressure systems presents various elements that significantly impact the formation of contaminations. There are three essential categories of internal combustion engines: (1) the spark ignition engines that are usedto drive automobiles; (2) the diesel engines, which is are used to run heavy vehicles and heavy machinery; ...

Introduction

Gas turbines are highly popular and widely applied in numerous fields owing to their improved design and operational attributes. They are application widespread in civil, marine and aeronautical fields. Gas turbines can be implemented in tow different categories of applications based on the function of the thrust produced. The torque generated by the engine can be utilized in generating shaft power, or it can be applied to produce thrust from an exhaust nozzle (Boyce, 2011). Gas turbine engines exhibit a relatively high power to weight ratio. Consequently, the engine is highly appropriate for generating motive power for transport vehicles. ...

Abstract

Airborne hazards in the workplace cause illness and fatalities when dust and chemicals are inhaled at a workplace (UKHSE 2015). Besides breathing in airborne dust, another danger is that explosions start when dust ignites from sparking machinery especially from circular saws (Hedlund et al. 2014). The amount and type of airborne dust is regulated by the HSE. The Quantitative Risk Management Framework was identified as practical method for evaluating and finding solutions to control airborne dusts that cause explosions and health problems. Another evaluation tool is the Control Banding Tool that was developed specifically to assess the risk of ...

INDUSTRIAL ENERGY SYSTEMS

Industrial Energy Systems Executive summary Energy is an essential input in any industrial process. Energy in industries is used in virtually every stage of the production process. Therefore, production cannot take place without energy and the cost of energy influences the final cost of the product. As a result, there is an energy component in the final cost of the product. To ensure competitiveness in a free and unregulated economy, producers must reduce the prices of their products to levels below that of the competition. To achieve lower product prices, the usage of energy in the production must be ...

Industry Overview

The US food industry has developed significantly in the recent years. American food products become more and more popular as across the Americas as the international consumers. It is now an extremely complex industry consisting of multitier supply chains. By the end of 2014, the total sale of food industry within all possible channels (supermarkets, grocery stores, restaurant and drinking places etc.) came closer to $2 trillion per year and this amount keeps increasing (Warar, 2013, p.16). Indeed, several discounter giants such as Wal-Mart, Target and Costco mostly hold this industry. According to the estimates, only Wal-Mart gets over ...

Air quality is affected to a large extent by growing population and vehicular traffic. Vehicular emissions contribute to global warming, and lead to serious human health impacts such as respiratory disorders, Asthma, heart disease, cancer etc. Personally I have experienced the effects of deteriorating air quality in my neighborhood, which is beside busy roads with heavy traffic. Vehicle exhaust usually contains green houses gases such as CO2, NOx, SO2, and pollutants that pose high health risk such as ozone, particulate matter, 1,3 butadiene and formaldehyde (EHHI, 10). Ozone is formed when nitrogen oxides and volatile organic compounds emitted ...

1.0 Ensuring Worker Safety during Sustainable Woodworking, Furniture Making and Carpentry 1.1 Introduction Furniture building, cabinet making and carpentry in construction projects put workers at risk due to inhaling “finely divided” wood dust; in fact, wood dust is “a known human carcinogen” (Yuan et al. 2014; NTP 2014). “Small solid particles . . . below 75 μm (micrometer) in diameter, which settle out under their own weight but which may remain suspended for some time” are hazardous (WHO 1999). The Occupational Safety and Health Agency (OSHA) Permissible Exposure Limit (PEL) based on volume for inhalable wood dust is 5 mg/m3 while the ...

The dominant sources of noise are usually fans and jets, where the noise reduction can be achieved by various reduction measures. The modelling of the noise sources is necessary to develop, while the tastings are typically provided in wind tunnels and free jets. Generally, fan noise is a function of the rotational tip speed and fan pressure ratio. In this case in order to reduce the fan noise it is better to reduce the rotational tip speed and fan pressure ratio, but consequently, the increase of an engine diameter is to be observed. An optimal value for the rotational ...

Understanding the working principle of a gasoline-powered vehicle necessitates knowledge not only concerning gasoline, but also knowledge regarding automobile's engine associated systems. Two forms of technology include conventional technology and advanced technology. The backbone of most cars today are conventional technology involves engine structure, combustion, and a combination of interlocked systems. Four main systems of a gasoline-powered include air, fuel, exhaust, and engine.

Working Principle of Gasoline-Powered Engine in Thermodynamic Viewpoint

According to Fisher (2015) findings, the air system conveys a mixture of fuel and air to the engine. The fuel system store gasoline in the automobile conveys gasoline to air intake system, and the mixed gasoline ...

Introduction

Significant growth of all sectors of the economy requires the movement of large quantities of cargo and passengers. High maneuverability, mobility and adaptability to work in different conditions makes the car one of the primary means of transportation of goods and passengers. The share of road transport accounts for over 80% of goods transported by all modes of transport combined, and more than 70% of passenger traffic. In recent years, the factories of the automobile industry mastered many samples of upgraded and new automotive vehicles, including those for agriculture, construction, trade, oil, gas and forest industries. Currently, there are ...

A Reciprocating Engine is also called as Piston Engine. In this engine pressure is converted into rotating motion with the help of one or more reciprocating pistons. There are various types of Reciprocating Engines, the most common type is the Internal combustion engine which is used in motor vehicles, the steam engine which is used in the industries and the Stirling engine. The compression ignition engine and the Spark-ignition engine are the two types of internal combustion engine. In the compression ignition engine, fuel is injected into the cylinder and the air inside the cylinder is compressed so that ...

Introduction

The much prevalence of manufacturers of turbines in China can be contributed to the dire need for sustainability. Turbines are a form of machine that aids in conversion of kinetic energy originating from wind into electric power. Besides solar, wind energy is a much sustainable form of energy which helps in substituting the non-renewable forms. As the result, this report compiles the result of a research conducted around China about existing fan turbines manufacturers. The five best companies were chosen, and this include: Sinovel, Goldwind, Sany, Mingyang, Shanghai Electric. These companies were then evaluated in terms of the pertinent ...

The Name of the Class

Economics for business 1. According to the WGC (World Gold Council) the factors affecting the price of gold imply monetary indicators of the US economy, namely the SDR rate to the US dollar, the monetary base, and US interest rates. Macroeconomic indicators and indicators of the monetary sector of the economy of other countries did not show significant correlation with the yield on the gold market. This demonstrates the dependence of the situation on the gold market is the state of the economy and monetary sphere in the United States, which is also due to historical and political reasons. ...

I attended SAE Formula sessions which usually takes place on Wednesdays 4 pm where I learned quite a number of practical lessons. The first session took place on Week 3, 28 Jan 2015. We learned about the chassis. The design problem faced were that the main roll hoop was not rule compliant while the new one ordered was expected to arrive Jan-29th. Meanwhile we decided to tack the new role hoop onto the chassis and begin assembling the suspension components for rolling chassis. On the suspension part we realized that the silver horse was not matching with the piece ...

Introduction

I take this chance to present to you this new improvement that I have introduced in my company. A normalized steel muffler. The muffler is one of the important parts in the car's exhaust systems. It is located on the rare part of the system. In present days, many materials are used to manufacture it. They include steel, iron and fiber carbon. Depending on the aim of the designer, the choice of these materials offers different levels of performance. Jeep Grand Cherokee is a family car that accommodates five passengers. It came into the market in 1992. Exactly five ...

- Introduction A four stroke or four cycle engine is an engine operating on the principle of internal combustion, in which pistons (one per cylinder in multi-cylinder engines) completes four separate strokes for each thermodynamic cycle, which is accomplished over two consecutive revolutions of the engine’s crankshaft.

These four strokes are: the Intake stroke, the Compression stroke, the Power stroke and the Exhaust stroke. The sectional diagrams below illustrate these four strokes in a single-cylinder engine; the curved red arrows represent the direction of rotation of the camshafts (small arrows) and the engine’s crankshaft (larger arrows). The ...

In my maiden tour of the restaurant, I noted certain matters that needed urgent attention in order to guarantee the safety of the investment, staff and the customers. This letter is written to you in order to inform you of the potential dangers that emanate from the continued disrepair of the restaurant. My correspondence with the manager of the dining room revealed that previously, the focus has been on the guests and the dining room. The following is a summary of the potential dangers in the restaurant.

The trees around the restaurant have not been pruned so that the branches ...

An EMS controls the vehicle engine in response to both vehicle and engine inputs. It consists of an electronic control unit composed of a micro-processor with several electromechanical and electronic actuators and sensors. Sensor devices are used to monitor the vehicle engine and detect engine speed, lambda values, crank angle and other engine parameters. The electronic control unit determines the engine ignition time, the quantity of fuel and other engine parameters that keep the vehicle engine running. The ECU does this by use of input values that are calculated based on the inputs that originate from the sensors. Under this ...

The Productivity Paradox

We live today in an age of paradoxes. It is the presence of paradoxes that tell us all is going, as they should be. No paradoxes will signify a world either where everything in the past, present or future is known or where people have become fed up of asking questions. As Charles Handy says, “Paradoxes, I now see to be endemic, inevitable and perpetual. The more turbulent the times, the more complex the world, the more paradoxes there are” (1994)

The term “productivity paradox’ was first used by Eric  Brynjolfsson who pointed out the non-conformity between ...

The use of oil as an energy source has economic effects on oil producing countries. There is a high demand for more oil owing to the increasing population growth and oil prices. Attributable to the rise in oil prices, there is a sweeping revolution in the use of renewable energy in the Arab world so as to promote the use of domestic clean energy. The rise of oil prices in the Middle East has enabled the push towards the use of renewable resources. The big producing oil-rich countries in the near future will eventually exhaust their oil resources, and it is ...

1. Setting standards for record keeping requirements, will help in collecting better information on the incidences and nature of occupational diseases. These information are collected on a national basis. Setting standards for recording keeping will help in effective analysis of this information. It can also improve employee’s awareness and involvement in reporting and recording occupational injuries. Majority of the company records are computerized and are easy to access. Employees can log into his account and report his injury, in the employer’s website. It also creates awareness in the employers, on the type of illness or hazard their employees ...

Physics is a branch of science concerned with different aspects of the physical world such as energy and matter. Physics encompasses wide scientific subjects such as electricity, heat, magnetism, sound, mechanics, light, and radiation among others. Modern technologies, such as digital devices and nano technologies are based on simple physics concepts. As a result, all engineering disciplines require a profound physics background. In the future, I plan to pursue a career in mechanical engineering in the automotive industry. This is a paper on the importance of physics in mechanical engineering. As a mechanical engineer, one is required to clearly understand a wide range of topics ...

The transport industry, especially the trucking sector, has experienced and would continue to experience changes given the current economic climate. Economic uncertainty has brought about waves of speculation that have ultimately led to the drastic rise in fuel prices. The trucking industry has felt the direct effects of the ever-changing fuel market much more than any other industry in the United States (EPA, 2014). The rising fuel price has led to key industry players to devise ways of combating the problem. In coming up with ways of cutting the operational costs, the environment should also be put into consideration. ...

Cummins Inc. is a corporation that manufactures, designs, and distributes engines, filtrations and power generation products. It is also known to service engines and related equipments which include controls, air handling, fuel systems, emission control and electrical power general systems. On the other hand, Duramax diesel engine was created when Isuzu teamed up with General Motors back in 1988. In 2000, about 1.5 million duramax engines had been built (Cummins.com). Duramax is an engine with a first high- pressure common rail and direct-injection power plant. The creation of Duramax was an improvement of General Motors’ previous indirect-injection diesel. Cummins is ...

Introduction

Lung cancer has remained the leading cause of cancer deaths in both men and women in United States. According to International Agency for Research on Cancer (IARC), approximately 1.35 million new cases of lung cancer are diagnosed across the world each year. There are a wide number of risk factors associated with lung cancer. These are smoking, exposure to asbestos, silica exposure, and diesel exhaust. The most common cause is the exposure to tobacco smoke through either active or passive smoking. Males are at a higher risk of lung cancer than females, a ratio of 7.8 to 5.8 respectively. There are five ...

Life Cycle Costing

Life Cycle Costing The life cycle costing method accumulates all the costs associated with the production of the specific product from the beginning to the end of the production. The life cycle costing method tells and assists to the management of the business in making the price of the product more competitive as compared to the competitors in the market. The life cycle costing method accumulates and tracks all the costs to be incurred in the production of the new project before decision making. The life of any product is divided into five stages according to the life ...

INTRODUCTION

Baghouse filters are fabric filter units consisting of one or more isolated sections containing an array of fabric bags (Vatavuk, 1998). Shapes of these bags range from round, flat, tube-shaped, to pleated cartridges. In theory, gas containing high particulate matter level passes through the fabric bag surface. The particulate matter is retained while the cleaned gas is either recycled to the process or vented off the exhaust. This paper attempts to discuss the different concepts behind baghouse filters in relation to environmental engineering. Specifically, this paper discusses (a) particle pollution, (b) baghouse filter principle, (c) filter media selection, (d) types of ...

The globe is facing a severe environmental crisis of its kind in this 21st century. The major environmental hazard that has shaken the world at the moment is air pollution. All over the world, everybody thinks that this crisis is most likely to affect or have a catastrophic impact on humans in the future. However, even nowadays, the negative impacts of this environmental crisis are evident in all forms. These impacts range from growing deserts due to lack of enough rainfall, increased cases of cancer, majorly lung cancer as a result of unclean fresh air and lastly the loss of numerous plant ...