When air enters a compressor at pressure P1 and leaves at pressure P2, the intermediate
Chapter 3, Problem 5(choose chapter or problem)
When air enters a compressor at pressure \(P_{1}\) and leaves at pressure \(P_{2}\), the intermediate pressure is given by \(P_{3}=\sqrt{P_{1} P_{2}}\). Assume that
\(P_{1}=10.1 \pm 0.3 \mathrm{MP} \text { and } P_{2}=20.1 \pm 0.4 M P\)
a. Estimate \(P_{3}\), and find the uncertainty in the estimate.
b. Which would provide a greater reduction in the uncertainty in \(P_{3}\) : reducing the uncertainty in \(P_{1} \text { to } 0.2 M P a\) or reducing the uncertainty in \(P_{2} \text { to } 0.2 M P R^{2}\)
Equation Transcription:
Text Transcription:
P1
P2
P3=\sqrt P1P2
P1=10.1 \pm 0.3MP and P2=20.1 \pm 0.4MP
P3
P3
P1 to 0.2 MPa
P2 to 0.2MPR2
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