On an exact solution, including the critical point of the hodograph equations for the two-dimensional flow of a compressible fluid PDF Download
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Author: Robert Legendre
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Category :
Languages : fr
Pages :
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Author: Robert Legendre
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Category :
Languages : fr
Pages :
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Author: I. E. Garrick
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Category : Aerodynamics, Supersonic
Languages : en
Pages : 68
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Summary: Elementary basic solutions of the equations of motion of a compressible fluid in the hodograph variables are developed and used to provide a basis for comparison, in the form of velocity correction formulas, of corresponding compressible and incompressible flows. The known approximate results of Chaplygin, von Kármán and Tsien, Temple and Yarwood, and Prandtl and Glauert are unified by means of the analysis of the present paper. Two new types of approximations, obtained from basic solutions, are introduced; they possess certain desirable features of the other approximations and appear preferable as a basis for extrapolation into the range of high stream Mach numbers and large disturbances to the main stream. Tables and figures giving velocity and pressure-coefficient correction factors are included in order to facilitate the practical application of the results.
Author: Jieqian Zhang
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Category : Gas flow
Languages : en
Pages : 63
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A suggestion is given for classifying the compressible potential flows according to the location and number of singularities in the subsonic region of the hodograph plane, which seems to offer a convenient criterion for systematic investigation of these flows with Chaplygin's original method. The primary object of the paper is to present and analyze a few useful solutions of compressible potential flow with the exact gas law. These solutions include flows about convex corners which are the same type given by Kraft and Dibble. These flows belong to the same class as that of Ringleb, that is, they have a hodograph singularity at the origin. For this reason they are called generalized Ringleb flows. Furthermore, the exact solution of compressible flow through a particular contracting channel is given. This flow is characterized in the hodograph by a source corresponding to incoming velocity and a sink corresponding to throat velocity. The channel flow near the point of inflection of the boundary is given in detail.
Author:
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Category : Mechanics, Applied
Languages : en
Pages : 542
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Author:
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Category : Energy development
Languages : en
Pages : 184
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Author: I. E. Garrick
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ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 68
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A brief review of general conditions limiting the potential flow of an adiabatic compressible fluid is given and application is made to the particular solutions, yielding conditions for the existence of singular loci in the supersonic range.
Author: H. J. Davies
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Category :
Languages : en
Pages :
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Author: James M. Jacobs
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Category : Heat
Languages : en
Pages : 180
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Author: United States. National Advisory Committee for Aeronautics
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Category : Aeronautics
Languages : en
Pages : 1018
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Author: Fred M. Reinhart
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ISBN:
Category : Aluminum alloys
Languages : en
Pages : 766
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Corrosion behaviro of spot-welded aluminum-alloy (alclad 24S-T3, 24S-T3, alclade XB75S-T6, XB75S-T6, and R-301-T6) panels of varying weld quality was determined. Tidewater and weather exposure tests were made and the results were evaluated largely in terms of distribution of corrosion products and effects on weld strength. Metallographic examinations of several of the alloys were also made to determine the extent and type of corrosion attack associated with various welding and exposure conditions.
