Solution Found!
Using Isentropic Processes/EfficienciesCarbon dioxide
Chapter 6, Problem 150P(choose chapter or problem)
Carbon dioxide (\(\mathrm{CO}_{2}\)) at 1 bar, 300 K enters a compressor operating at steady state and is compressed adiabatically to an exit state of 10 bar, 520 K. The \(\mathrm{CO}_{2}\) is modeled as an ideal gas, and kinetic and potential energy effects are negligible. For the compressor, determine (a) the work input, in kJ per kg of \(\mathrm{CO}_{2}\) flowing, (b) the rate of entropy production, in kJ/K per kg of \(\mathrm{CO}_{2}\) flowing, and (c) the isentropic compressor efficiency.
Questions & Answers
QUESTION:
Carbon dioxide (\(\mathrm{CO}_{2}\)) at 1 bar, 300 K enters a compressor operating at steady state and is compressed adiabatically to an exit state of 10 bar, 520 K. The \(\mathrm{CO}_{2}\) is modeled as an ideal gas, and kinetic and potential energy effects are negligible. For the compressor, determine (a) the work input, in kJ per kg of \(\mathrm{CO}_{2}\) flowing, (b) the rate of entropy production, in kJ/K per kg of \(\mathrm{CO}_{2}\) flowing, and (c) the isentropic compressor efficiency.
ANSWER:Step 1 of 3
We are required to calculate the the work input, rate of entropy production and the isentropic efficiency.
Part 2 of 3
At 1 bar and 320 K,
kJ/kmol
kJ/kmol