Question

Carbon dioxide (CO2) gas is compressed at steady state from 0.8 bar and 17 °C to 3.5 bar with a compressor drawing 10 kW of power. The CO2 flows through the compressor at a rate of 0.1 m3/s through an inlet orifice that is 200 cm2. The gas leaves the compressor at a velocity of 12 m/s. Heat loss from the compressor to the surroundings is roughly 2% of the power fed to the compressor. In addition to the Give, Find, Models/Assumption methodology, complete the following:

a) Create a state table and fill in as much information as you need to answer the questions below.

b) Determine if the CO2 can be approximated as an ideal gas.

c) Calculate the mass flow rate.

d) Determine the final temperature of the carbon dioxide.

f) Show the process on either a p-v or T-v diagram

g) Reflect on how the energy into the system is being transformed.

Answer 1