Saturday, August 30, 2014

What treat the contents of this article? How to calculate the heat capacity of the gas and a gas mi


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What treat the contents of this article? How to calculate the heat capacity of the gas and a gas mixture and how this relates property (heat capacity, specific heat or heat capacity) with temperature. Objectives of the paper. Submit a new energy calculation tool online and free access to our web www.energianow.com is shown how to calculate the heat capacity of the gas and a mixture of gases and how this relates property (heat capacity, heat capacity and heat specific) with temperature. Skills obtained are presented steam table thermodynamics in the performance of this type of industrial work. In the calculation tool presented here have been taken into account gaseous components greater presence in the global industry. Within this broad universe, including gases are closely linked to the industry engeneral are present in the fumes or gases generated as products of combustion in the fuel industry in laatmósfera as air pollutants, steam table thermodynamics etc. This information or data, the heat capacity of the gas, is used and it is essential to have estimates for the efficiency of the combustion process, to determine the energy level of a given gas mixture contains and / or carries, for the calculation of other important thermodynamic parameters such as enthalpy and entropy, steam table thermodynamics etc. These parameters are necessary and widely used to perform energy balances. For determination of the heat capacity empirical expressions are used. Below these design equations are presented. They are written here for each of the gases that this calculator are included. These equations reported specific heat with an error not exceeding 5% (in most gases not greater than 1%) in the temperature range up to 1500 273rd and K (1226.84 C). This range in turn will limit use of the calculator and values outside the range will not be processed. How this calculation and the result on what basis and units will perform will be reported? Registering on Form input value of the temperature range at which the gas or mixture is and selecting different gas or gases that are part of the same by recording the volume fraction of each. To do this you must enter in the form the maximum possible temperature for the gas component or mixture and the minimum value of the range or room temperature. The processor will find the average specific heat in this temperature range. To calculate the average specific heat of a gas mixture is necessary steam table thermodynamics to know the volume fraction of the components present in the mixture. Each component has a different steam table thermodynamics specific heat and this parameter also behaves differently for each temperature. The specific heat of the mixture shall be representative of all the components that make it up and calculated as the weighted average steam table thermodynamics value of integrating media specific heats of each participant in the mix. For volume fractions of gas analysis will be performed. The analysis of gases (Orsat analysis) is performed steam table thermodynamics with instruments or laboratory equipment. There electronic processors - digital reporting the volume steam table thermodynamics percent of the main components. The Orsat as a portable laboratory equipment, is widely used. There laboratory equipment more accurately, such as gas chromatographs. The result as the fraction of each component in the mixture are usually reported on a dry basis. The volume fraction is expressed as a percentage steam table thermodynamics or as a decimal and is representative of the molar fraction (moles of each component in total moles of the sample), or volume fraction (amount of each component by the total volume of the shown). Knowing the molar or volume fraction in the mixture the values recorded on Form input system. The processor is responsible for multiplying each of the volumetric heat capacity of the respective fractions and integrate to find the average specific heat in the temperature range that is defined. When you want to calculate the specific heat of a gas is introduced into the input form the 100% molar fraction for the selected gas is equivalent to the pure component value. Temperature range and also recorded

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