Experimental perfect-gas study of expansion-tube flow characteristics

作者： J. L. Shinn , C. G. Miller

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摘要: Results of an experimental investigation expansion tube flow characteristics performed with helium test gas and acceleration are presented. The use helium, eliminates complex real chemistry in the comparison measured predicted quantities. driver was unheated at a nominal pressure 33 MN sq m. quiescent were varied from 0.7 to 50 kN/sq m 2.5 53 N/sq m, respectively. effects tube-wall boundary layer growth finite secondary diaphragm opening time examined through variation pressures thickness. Optimum operating conditions for also defined.

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