Theory and Design for Mechanical Measurements
6th Edition
ISBN: 9781118881279
Author: Richard S. Figliola, Donald E. Beasley
Publisher: WILEY
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Chapter 10, Problem 10.29P
A sonic nozzle can be used to regulate flow rate provided that the critical pressure ratio is maintained. While independent of downstream conditions, the upstream properties adjust themselves to the given set of choked flow conditions. Fortunately, the mass flow rate can be computed from the measured stagnation properties. For a range of 101.3 ±7 kPa abs and 10°±5°C, estimate the uncertainty in regulating a mass flow rate at the critical pressure ratio due to these variations alone.
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Chapter 10 Solutions
Theory and Design for Mechanical Measurements
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