Essays on Gas Pressure

Trigonometric computations are used in nearly all fields of geometry, physics and engineering. The triangulation technique has the great importance, which allows measuring the distance in astronomy and geography, monitoring the satellite navigation system. Also trigonometry is used in such areas as music theory, acoustics, optics, analysis of financial markets, electronics, probability theory, statistics, biology, medicine and so on. Daniel Bernoulli, Fourier and Cauchy made a huge contribution to the involvement of trigonometry and developed the idea of trigonometric series. In the middle of the XVIII century, appeared the most important in its consequences "argument of a string". Euler ...

Abstract

This article discusses a variety of methods which are used in the day to day measurements that are taken in the field of engineering. This is important in familiarizing the engineers with the respective methods, which are unavoidable in the design of any component that requires utter precision. Therefore, this discussion promotes quality in engineering products by advocating for accuracy through precision in measurements.

Introduction

Measurement is the length, amount or size of something, as determined by taking the measure of the respective part or object (Diley & McConnell). It is enabled by the laws of physics which make certain materials ...

Abstract

The fugacity is a term that has Latin origins, referring to pace and speed. Early work somewhere in the 20th century, on fugacity, demonstrated that chemical equilibrium is established by the free energies of reacting material. Since then, various approaches and concepts on fugacity have been provided. The gas fugacity of noble gasses has been studied, and models have been proposed for calculating the solubility of noble gasses. The development of various models has considered pressure effects, differential equilibrium between components and temperature changes. The paper discusses the evolution of various multimedia fugacity models and the fugacity of pure ...

Introduction

Heat of vaporization and vapor pressure are the two essential properties of a liquid in thermodynamics. The vapor pressure of a substance is the measure of the tendency of its molecules escaping (Blauch). The heat of vaporization is defined as the amount of the attractive energy that exists between molecules in the liquid and has to be overcome in order for the molecules enter the vapor phase. When a liquid sample is put into a container, there is the tendency for the liquid to evaporate. Liquid molecules escape from their state into the gaseous state. When the liquid is put in a closed container, ...