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ERROR ANALYSIS OF THE LINEARIZED METHOD OF CHARACTERISTICS FOR NONEQUILIBRIUM FLOW.

Author: J T JR LEE; A G HAMMITT; TRW SPACE TECHNOLOGY LABS REDONDO BEACH CA.
Publisher: Ft. Belvoir : Defense Technical Information Center, 18 MAY 1962.
Edition/Format:   eBook : English
Database:WorldCat
Summary:
The pressure on an infinite sinusoidal wall in steady two-dimensional supersonic flow of an inviscid gas in vibrational or chemical nonequilibrium is obtained by the linearized method of characteristics and compared to the analytical solution of the linearized equations previously obtained by Vincenti. The system of ''frozen'' characteristics is used. At near equilibrium conditions the error in the method of  Read more...
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Material Type: Internet resource
Document Type: Internet Resource
All Authors / Contributors: J T JR LEE; A G HAMMITT; TRW SPACE TECHNOLOGY LABS REDONDO BEACH CA.
OCLC Number: 227293511
Description: 33 p. ; 23 x 29 cm.

Abstract:

The pressure on an infinite sinusoidal wall in steady two-dimensional supersonic flow of an inviscid gas in vibrational or chemical nonequilibrium is obtained by the linearized method of characteristics and compared to the analytical solution of the linearized equations previously obtained by Vincenti. The system of ''frozen'' characteristics is used. At near equilibrium conditions the error in the method of characteristics is due entirely to the error in integrating the rate equation along the streamlines and can be made arbitrarily small by decreasing the size of the characteristic net. There appears to be no approximate criteria for reducing the error at near-equilibrium conditions by switching over to the system of equilibrium characteristics which are applicable to the entire flow field.

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