In this paper, a chamber called an “Isothermal Chamber” was developed. The isothermal chamber can almost realize isothermal condition due to larger heat transfer area and heat transfer coefficient by stuffing steel wool in it. Using this chamber, a simple method to measure flow rates of ideal gases was developed. As the process during charge or discharge is almost isothermal, instantaneous flow rates charged into or discharged from the chamber can be obtained measuring only pressure in the chamber. The steady and the unsteady flow rate of air were measured by the proposed method, and the effectiveness of the method was demonstrated. [S0022-0434(00)00301-4]
Instantaneous Flow Rate Measurement of Ideal Gases
Contributed by the Dynamic Systems and Control Division for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received by the Dynamic Systems and Control Division May 6, 1996. Associate Technical Editor: R. S. Chandran.
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Kawashima, K., Kagawa, T., and Fujita, T. (May 6, 1996). "Instantaneous Flow Rate Measurement of Ideal Gases ." ASME. J. Dyn. Sys., Meas., Control. March 2000; 122(1): 174–178. https://doi.org/10.1115/1.482439
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