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when any gas is expanded, it's pressure would drop and the temperature would drop as well resulting with cold atmosphere.
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For a fluid flowing in a pipe, the pressure loss will be greater for a liquid flow due to more frictional losses on the pipe walls.
If you know the temperature, pressure and volume of the vessel, you can calculate the amount of moles through the Ideal gas law. PV = nRT That is assuming you have ideal conditions. If not, a variance of the ideal gas law can be used in order to get the moles of your gas.
It depends on type of column, temeperature gradient , gas carrier pressure and flow, instrument....
no gas flow is equal to pressure gradient over resistance
A restriction orifice (RO) is used to limit the flow through the pipe to a set flow by choking the flow at its sonic velocity. A flow orifice (FO) is usually used to determine the flow through the pipe from the pressure drop over the plate. There a normally two pressure taps (one on each side of the plate) and a pressure transmitter which determines the pressure drop over the plate. A formula is then used to convert this pressure drop to a flowrate for the specific fluid passing through the orifice. A FO usually has a temperature element to determine the gas temperature for use is the formula.
Pressure,Temperature and Flow
Most all manufacturers of gas valves have a pressure drop of one inch wg
when any gas is expanded, it's pressure would drop and the temperature would drop as well resulting with cold atmosphere.
0.738
hello
Mahesh Baldevbhai Patel has written: 'Liquid hold-up and pressure drop in cocurrent flow of gas and non-Newtonian liquids through a packed bed'
For a fluid flowing in a pipe, the pressure loss will be greater for a liquid flow due to more frictional losses on the pipe walls.
If you heat compressed air but keep it at the same pressure, it will expand, becoming less dense. If you want to keep the mass flow rate the same, the volumetric flow rate, and hence the linear velocity, must increase. At the same time, increasing the temperature of a gas actually increases it's viscosity. so for a given pressure drop, your mass flow rate will decrease and effectively the gas will move slower.
The Ideal Gas Law PV=nRT
YES.