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Simple VBA Program for Thermodynamics Problem
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IT & Programming > Other IT & Programming

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Feb 7, 2013
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  • Posted: Wed, Feb 06, 2013
  • Time Left: Closed
  • Location: Anywhere
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  • Start: Immediately
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Design a userform in Excels VBA that will allow the user to do the following, I have all the equations necessary for this program:
1. Enter values of T1, T3, p1, pressure ratio, turbine and compressor efficiencies
2. use equations given to find everything else...like T4a, T2a, thermal efficiency, etc
3. Display results

The program needs to compute:
Values for the variables that the user has selected.

Program needs to be able to solve the following test cases:

1. A power plant operating on a Brayton Cycle has the following parameters:
T1=300K, T3=1300K,P1=100kPa, Pressure ratio=8, turbine and compressor efficiencies=100%
Find: thermal efficiency, backwork ratio,

2. Use the parameters in #1, but with compressor efficiency=0.8 and turbine efficiency=0.85
Find: thermal efficiency, backwork ratio,

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Desired Skills
VBA
Job ID: 37593539
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