Estimation of the heat transfer coefficient in the spray cooling of continuously cast slabs
Conference
·
OSTI ID:20014413
An inverse problem involving the estimation of the heat transfer coefficient at the surface of a plate, with no information regarding the functional form of the unknown, is solved by applying the conjugate gradient method with adjoint equation. This paper is part of an experimental and numerical simulation of the actual spray cooling process in continuous casting machines. Results obtained with simulated measurements, for the estimation of the time and spatial variation of the unknown spray heat transfer coefficient are summarized. The conjugate gradient method is found to provide accurate estimates for the unknown, even for functions containing sharp corners and discontinuities, which are the most difficult to be recovered by inverse analysis. The effects of number and location of sensors on the inverse problem solution are also addressed on the paper.
- Research Organization:
- Federal Univ. of Rio de Janeiro (BR)
- OSTI ID:
- 20014413
- Country of Publication:
- United States
- Language:
- English
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