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Flow-thermal-structural study of aerodynamically heated leading edgesA finite element approach for integrated fluid-thermal-structural analysis of aerodynamically heated leading edges is presented. The Navier-Stokes equations for high speed compressible flow, the energy equation, and the quasi-static equilibrium equations for the leading edge are solved using a single finite element approach in one integrated, vectorized computer program called LIFTS. The fluid-thermal-structural coupling is studied for Mach 6.47 flow over a 3-inch diameter cylinder for which the flow behavior and the aerothermal loads are calibrated by experimental data. Issues of the thermal-structural response are studied for hydrogen cooled, super thermal conducting leading edges subjected to intense aerodynamic heating.
Document ID
19880044978
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Dechaumphai, Pramote (NASA Langley Research Center Hampton, VA, United States)
Wieting, Allan R. (NASA Langley Research Center Hampton, VA, United States)
Thornton, Earl A. (Old Dominion University Norfolk, VA, United States)
Date Acquired
August 13, 2013
Publication Date
January 1, 1988
Subject Category
Structural Mechanics
Report/Patent Number
AIAA PAPER 88-2245
Report Number: AIAA PAPER 88-2245
Meeting Information
Meeting: Structures, Structural Dynamics and Materials Conference
Location: Williamsburg, VA
Country: United States
Start Date: April 18, 1988
End Date: April 20, 1988
Sponsors: Structures
Accession Number
88A32205
Distribution Limits
Public
Copyright
Other

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