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Energy Analysis of Control Volumes at Steady StateNitrogen
Chapter 4, Problem 54P(choose chapter or problem)
Nitrogen is compressed in an axial-flow compressor operating at steady state from a pressure of \(15 \mathrm{lbf} / \mathrm{in}^2\) and a temperature of \(50^{\circ} \mathrm{F}\) to a pressure \(60 \mathrm{lbf} / \mathrm{in.}^2\) The gas enters the compressor through a 6 -in.-diameter duct with a velocity of \(30 \mathrm{ft} / \mathrm{s}\) and exits at \(198^{\circ} \mathrm{F}\) with a velocity of \(80 \mathrm{ft} / \mathrm{s}\). Using the ideal gas model, and neglecting stray heat transfer and potential energy effects, determine the compressor power input, in hp.
Questions & Answers
QUESTION:
Nitrogen is compressed in an axial-flow compressor operating at steady state from a pressure of \(15 \mathrm{lbf} / \mathrm{in}^2\) and a temperature of \(50^{\circ} \mathrm{F}\) to a pressure \(60 \mathrm{lbf} / \mathrm{in.}^2\) The gas enters the compressor through a 6 -in.-diameter duct with a velocity of \(30 \mathrm{ft} / \mathrm{s}\) and exits at \(198^{\circ} \mathrm{F}\) with a velocity of \(80 \mathrm{ft} / \mathrm{s}\). Using the ideal gas model, and neglecting stray heat transfer and potential energy effects, determine the compressor power input, in hp.
ANSWER:Solution 54P
Step 1 of 4
To find the power input in ‘hp’ for Nitrogen.