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Published March 1950 | Reprint
Journal Article Open

The Analogy between Hydraulic Jumps in Liquids and Shock Waves in Gases


The theory of the hydraulic jump is presented briefly, and the analogy between this phenomenon and the compression shock wave in gases is pointed out. The results of experimental measurements of hydraulic‐jump intersections on a water table are reported. Considerable disagreement between theory and experiment is found. Other investigators have noted a disagreement between theory and experiment for compression‐shock intersections in gases. The discrepancy in the aerodynamic case appears unlike that found in the hydraulic case. Possible reasons for the discrepancy in the hydraulic case are discussed; some sources of error are peculiar to hydraulic jumps and do not apply to compression shocks. Such factors limit the utility of the water table as an analog device.

Additional Information

© 1950 The American Institute of Physics. Received 30 September 1949. This study was supported by the ONR and the Navy Bureau of Ordnance.

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Reprint - The_Analogy_between_Hydraulic_Jumps_in_Liquid_and_Shock_Waves_in_Gases.pdf



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October 26, 2023