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題 名 | 遠紅外線輻射性能之簡單量測--逆向熱傳法之探討=A Simple Method for Measuring the Radiative Performance of Far-Infrared Heating Surface--The Analysis of Inverse Heat Conduction Problem |
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作 者 | 林宜弘; 廖建貴; | 書刊名 | 力學 |
卷 期 | 12:2 1996.06[民85.06] |
頁 次 | 頁181-186 |
分類號 | 335.38 |
關鍵詞 | 遠紅外線; 逆向熱傳導; 放射率; 預測; Far-infrared; Inverse heat conduction; Emissivity; Prediction; |
語 文 | 中文(Chinese) |
中文摘要 | 本文以簡單的預測法來取代光學量測系統用於量測遠紅外線加熱器之輻射性能。 此方法是根據逆向熱傳學理論,從被加熱體的已知量測溫度來逆推加熱器的放射係數,文中 採用共軛梯度參數預測法,並探討此法在預測過程的特性與預測結果的準確性。分析結果得 知,當加熱器的溫度愈高,所預測結果愈準確;被加熱體表面溫度的量測誤差對預測結果的 百分誤差相當敏感。 |
英文摘要 | A simple method replacing the optical measurement system is proposed here to estimate the heating performance of the far-infrared radiative surface. This method based on the theory of inverse heat conduction problem is employed to predict the total emissivity of radiative surface through the measured temperature of heated body. This paper uses the parametric prediction of conjugate gradient method to study the characteristics of computational prediction procedure. The results of analysis indicate that the predicted results can be accurately raised with the higher temperature of heating surface and rather sensitive to the measured temperature error of heated surface. |
本系統中英文摘要資訊取自各篇刊載內容。