本文由加壓工質液體經噴嘴產生單佈性噴霧噴於高溫平板上，探討噴霧液滴對高溫平板之冷卻行為，並估算暫態噴霧冷卻之熱傳特性。本文乃以混合逆算法(Hybrid inverse scheme)與有限差分法(Finite difference method)的數值方法，並配合最小平方法(Least-squares scheme)和溫度量測值來估算噴霧冷卻熱表面之表面溫度(Surface temperature)及表面熱通量(Surface heat flux)。首先藉實例之實驗數據，預測一維熱傳問題之表面熱通量。結果顯示本文之表面熱通量預測值符合實例之物理模型。本文進一步用自行架設之實驗平台，改變韋伯數(Weber number)，預估噴霧冷卻之熱傳特性。本文之實驗與相關文獻相比較，結果發現本文之試件表面熱傳量隨噴霧流量增加而增大，然而薄膜沸騰(Film boiling)現象不明顯。

The present study proposed a hybrid inverse scheme involving finite difference method in conjunction with least-squares scheme and the experimental temperature data inside the test material to predict the variation of the surface temperature and surface heat flux during spray cooling on a hot surface. Comparisons of surface heat flux between the present estimates and previous estimated results were made. In order to investigate the effect of liquid sprays on surface heat flux, an experimental study was conducted in the present study. The results showed that the increase in the critical heat flux (CHF) was observed by increasing volumetric spray flux. However, the effects of film boiling heat transfer were not obvious under the experimental conditions in this study.

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