Gas Compression Equation

In this equation the symbol R is a constant called the universal gas constant that has the same value for all gases—namely, R = 8.31 J/mol K. The isentropic process (a special case of adiabatic process) can be expressed with the ideal gas law as: pV κ ...

https://www.thermal-engineering.org/what-is-isentropic-expansion-isentropic-compression-definition/

Calculate Vapor Loss. Three sources of vapor emission. Flash losses occur when crude is transferred from containment at a high pressure to containment at a lower pressure. Working losses occur when crude levels change and when crude in the tank is agitated. Breathing losses occur with daily and seasonal temperature and pressure changes.

https://www.unimaclp.com/calculate-vapor-loss/

the behaviour of the gas phase in such processes typically use so-called state equation , the simplest of which is the equation of state of an ideal gas : = B PV Nk T (1) where P is the gas pressure, V is volume, N is the total number of gas molecules in the system, B k is Boltzmann constant, T is the temperature.

http://www.isaacpub.org/images/PaperPDF/MOCR_100034_2017070415532375123.pdf

R is the ideal, or universal, gas constant, equal to the product of the Boltzmann constant and the Avogadro constant, In this equation , the symbol R is the universal gas constant with the same value for all gases—namely, R = 8.31 J/mol K. The isentropic process (a special case of the adiabatic process) can be expressed with the ideal gas law as:

https://www.nuclear-power.com/nuclear-engineering/thermodynamics/thermodynamic-processes/isentropic-process/isentropic-expansion-isentropic-compression/

Flash gas compressors typically handle low flow rates and produce high compression ratios. Gas lift compressors. Gas lift compressors are frequently used in oil handling facilities where compression of formation gases and gas lift gas is required. Gas lift compressor duty is frequently of low to medium throughput with high compression ratios.

https://petrowiki.spe.org/Compressors

The ideal gas law or any real gas equation of state is valid only at thermodynamic equilibrium. The rapid adiabatic compression of a gas is an irreversible process in which all the states that the gas passes through between the initial and final states are not thermodynamic equilibrium states.

https://www.physicsforums.com/threads/instantaneous-gas-compression-temperature-increase.1002986/

It can be seen from Equations 1-5 that the k-value has an effect on a compressor head, temperature, power, and polytropic exponent. In order to determine how small changes in the k-value can influence a compressor performance, let us first define the k-value of a pure gas . The thermodynamic definition of a gas k-value is given by Equation 6.

http://www.jmcampbell.com/tip-of-the-month/2009/05/the-sensitivity-of-k-values-on-compressor-performance/

Figure 1. Critical Dimensions and Parameters for Simulating Ideal Gas Compression in an Actuating Piston. The motion of the piston is described by the following equation . (1) x=r*cosA+√l2−r2sin2A. x = r * cos A + l 2 − r 2 sin 2 A

https://2021.help.altair.com/2021.2/hwsolvers/acusolve/topics/acusolve/ideal_gas_compression_in_an_actuating_piston_6.htm

The more recent equation in which the viscous forces are explicitly included in the analysis uses only a crude approximation to ##P_{int}## (in terms of gas volume V and its time derivative) to provide us with a rough qualitative understanding of how the viscous forces come into play in damping the piston motion.

https://www.physicsforums.com/threads/expansion-or-compression-work-by-gas-int-p_-ext-dv.1006061/page-2

Flash gas compressors typically handle low flow rates and produce high compression ratios. Gas lift compressors. Gas lift compressors are frequently used in oil handling facilities where compression of formation gases and gas lift gas is required. Gas lift compressor duty is frequently of low to medium throughput with high compression ratios.

https://petrowiki.spe.org/Compressors