Estimation of Local Thermophysical Properties of One-Dimensional Periodic Heterogeneous Medium by Infrared Image Processing and Volume Averaging Method  

Oleh:

Gobbe, C ; Varenne, M. ; J.-C. Batsale

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Journal of Heat Transfer vol. 122 no. 1 (Feb. 2000), page 21-26.
Topik: Infrared; local thermophysical properties; one - dimensional; periodic; heterogeneous medium; infrared image; volume averaging

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ90.1 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

The estimation of local thermophysical properties can be of paramount importance in the study of heterogeneous media. The volume averaging method, here reduced to a one - dimensional line averaging, is used to implement an estimation method of local thermal resistivity field, for a stratified medium. The method is tested with experimental transient temperature fields obtained with a calibrated stratified sample by an infrared camera. A large number of images are processed at the transient state. The same intrinsic stationary field is estimated from each image. By repeated estimations, this method reduces the measurement noise influence.

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