本研究嘗試以熱感應漆（Temperature Sensitive Paint, Thermal Paint）為工具來診斷燃燒筒燃燒時的最高溫度，以找出不均勻之熱點位置。熱感應漆為一種二維的溫度診斷工具，然而熱感應漆的溫度精度有賴於起始的溫度校正與資料庫的建立；本研究引進熱感應漆技術以診斷渦輪引擎燃燒室之流場，並建立本項技術之各項相關能量，包括熱感應漆之選用，噴塗技術，取像技術及後處理技術。本研究最後利用所開發程式，可用於熱感應漆顏色的比對與對應溫度輸出。
整體而言，熱感應漆顯色的結果會隨著熱感應漆之厚度與烘烤（燃燒）時間以及前後處理程序而有所變異，本研究中均按照原廠建議來固定這些參數，並採取標準的攝影方法，於標準光源對色箱中取得標準顏色影像，用來比對熱感應漆與溫度之關係，就由每種顏色的RGB值作為分析工具，使得所使用的熱感應漆可辨識溫度由490℃到1250℃；此外由於攝影圖像為二維平面。本研究亦嘗試藉由燃燒筒側剖面曲線的資料來取得第三維資料，隨著搭配繪圖軟體CATIA的模型建立及修正，以達到建構三維平面座標與溫度關係分佈，建立此資料庫以利後續提供數值模擬軟體所需。
對於溫度感應熱塗漆的特性方面也將針對其重複昇溫烘烤的溫度範圍、最高溫區域（高於1000℃）之顏色校正辨別，以及應用本研究先前建立之相關技術來說明如何實際完成引擎試車（熱流燃燒實驗）所產生的資料後分析處理流程的展現。

Enhancement of gas turbine combustor efficiency has been put emphasis in relevant researches for gas turbine engine development. Among the recent temperature measurements, the thermocouples and thermocouple rakes are usually utilized no matter on stationary or rotary parts, such as the turbine blade or the centrifugal compressor. Compared to their restrained measuring range and rigmarole wiring, Thermal Paints, also known as Temperature Sensitive Paint, provide a simple, effective and economical way to obtain a permanent visual record of the peak temperature distribution, including surrounding thermal gradient, over the surface of components. They could be applied to components with even the most complex surface shapes and do not modify the thermal behaviour of a component during testing. In this study, the thermal paint is successfully applied into the temperature measurement from 490℃ to 1250℃ for applications of gas turbine engine tests, and also has been verified its calibrated colour changes. Moreover, a process including coating thickness, curing procedures, stoving duration and photographic sensitivity is developed here as well. Consequently a method of RGB analysis is executed on the development of calibrated colours by stoving the nickel-based alloy specimens in the oven from 490℃ to 1250℃ respectively in this research as well.

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