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Shock Wave Effects on the Laminar Skin Friction of an Insulated Flat Plate at Hypersonic Speeds

Li, Ting-Yi and Nagamatsu, H. T. (1952) Shock Wave Effects on the Laminar Skin Friction of an Insulated Flat Plate at Hypersonic Speeds. California Institute of Technology , Pasadena, CA. (Unpublished) https://resolver.caltech.edu/CaltechAUTHORS:20151111-162347536

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Abstract

An approximate theory on the phenomena of interaction between the shock wave and the laminar boundary layer on an insulated flat plate at hypersonic speeds has been formulated. Results on the rate of growth of the boundary layer thickness and the rate of decay of the shock wave strength have been found for M_1^(2(2+w)R_1^-1 = O(1). A new set of formulae for the average skin friction coefficient, C_F, over an insulated flat plate at hypersonic speeds has been obtained. Calculations on the basis of the new C_F formulae yield the data shown in Figs. 5 and 6. Contrary to the conventional theory which predicts a steady decrease in C_F as M_1 increases, the present results indicate that C_F may increase with M_1 at hypersonic Mach numbers.


Item Type:Report or Paper (Technical Report)
Additional Information:Contract No. DA-04-495-Ord-19 Army Ordnance Department Sponsored by Army Ordnance and Air Force. Memorandum No. 9.
Funders:
Funding AgencyGrant Number
U.S. Army Office of OrdnanceDA-04-495-Ord-19
Record Number:CaltechAUTHORS:20151111-162347536
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20151111-162347536
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62064
Collection:CaltechAUTHORS
Deposited By: Kristin Buxton
Deposited On:18 Nov 2015 18:25
Last Modified:03 Oct 2019 09:14

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