کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
660455 1458116 2010 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Inverse radiation analysis of simultaneous estimation of temperature field and radiative properties in a two-dimensional participating medium
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
پیش نمایش صفحه اول مقاله
Inverse radiation analysis of simultaneous estimation of temperature field and radiative properties in a two-dimensional participating medium
چکیده انگلیسی

An inverse radiation analysis is presented for simultaneous estimation of temperature field and radiative properties including absorption and scattering coefficients in a two-dimensional rectangular, absorbing, emitting and scattering gray medium from the knowledge of the exit radiative energy received by charge-coupled device (CCD) cameras at boundary surfaces. The backward Monte Carlo method was introduced to describe the radiative heat transfer for its efficiency. The inverse problem is formulated as an optimization problem and solved by the least-square QR decomposition (LSQR) method. The effects of measurement errors, optical thickness and search step length on the accuracy of the estimation were investigated and the results show that the temperature field and radiative properties can be reconstructed accurately for the exact and noisy data.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Heat and Mass Transfer - Volume 53, Issues 21–22, October 2010, Pages 4474–4481
نویسندگان
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