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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Write a python program to solve the following engineering problem:
Part 1.) The pressure of the mixture entering and leaving the adiabatic saturator is 0.1 MPa, the
entering temperature is 30?C, and the temperature leaving is 20?C, which is the adiabatic
saturation temperature. Calculate the humidity ratio and relative humidity of the air–water
vapor mixture entering.
Part 2.) The pressure of the mixture entering and leaving the adiabatic saturator is 14.7 lbf/in.2,
the entering temperature is 84 F, and the temperature leaving is 70 F, which is the adiabatic
saturation temperature. Calculate the humidity ratio and relative humidity of the air–water
vapor mixture entering.
Part 3.) Nitrogen at 8 MPa, 150 K, is throttled to 0.5 MPa. After the gas passes through a short
length of pipe, its temperature is measured and found to be 125 K. Determine the heat
transfer and the change of entropy.
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