Three-Dimensional Inverse Heat Transfer in a Composite Target Subject to High-Energy Laser Irradiation

Author:

Zhou Jianhua1,Zhang Yuwen2,Chen J. K.3,Feng Z. C.4

Affiliation:

1. Mem. ASME

2. Fellow ASME e-mail:

3. Fellow ASME

4. Fellow ASME Department of Mechanical and Aerospace Engineering, University of Missouri, Columbia, MO 65211

Abstract

A new numerical model is developed to simulate the 3D inverse heat transfer in a composite target with pyrolysis and outgassing effects. The gas flow channel size and gas addition velocity are determined by the rate equation of decomposition chemical reaction. The thermophysical properties of the composite considered are temperature-dependent. A nonlinear conjugate gradient method (CGM) is applied to solve the inverse heat conduction problem for high-energy laser-irradiated composite targets. It is shown that the front-surface temperature can be recovered with satisfactory accuracy based on the temperature/heat flux measurements on the back surface and the temperature measurement at an interior plane.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference18 articles.

1. Failure of Solid Rocket Engines due to Laser Radiation Exposure;Report No. SSS-DFR-93-14222,1993

2. A Study of Laser/Composite Material Interactions;Compos. Sci. Technol.,1995

3. A Non-Equilibrium Thermal Model for Rapid Heating and Pyrolysis of Organic Composites;ASME J. Heat Transfer,2008

4. Numerical Simulation of Compressible Gas Flow and Heat Transfer in a Microchannel Surrounded by Solid Media;Int. J. Heat Fluid Flow,2007

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