壓力感測塗料是一種非侵入式的壓力量測技術，利用光致發光與氧淬滅效應進行表面壓力量測，具有可取得連續、準確、定量表面壓力分佈，不影響表面流場，空間解析度高等優點，目前在風洞實驗應用逐漸普遍。本研究於成功大學航太科技研究中心建立壓力感測塗料性能驗證之技術與相關實驗之能量，以適合應用於之穿音速風洞為前提，在符合穿音速風洞的吹試條件範圍內，對於壓力感測塗料作定量的校驗與分析，探討各項參數對塗料特性的影響：光學接收器在偏向正負40度內不影響螢光偵測；塗料濃度的線性度高達99.2%；濃度愈高靈對壓力敏度愈好；塗料的特徵時間尺度約0.11~0.15秒；並應用壓力感測塗料進行噴流流場量測實驗，將溫度效應與校驗係數代入修正；各項因素的總不確定度為2.583%。整體而言，此量測技術確實可行且結果令人滿意。

The pressure sensitive paint (PSP) technique based on the principle of molecular spectroscopy is made via photo-luminescence and oxygen-quenching effects of the PSP molecules attached to the surface of interest as a coating, or paint. This technique provides the global picture of the pressure distribution on the model surface, which traditional pressure transducer could hardly achieve. This thesis describes the calibration results of the pressure sensitive paint which will be used in the transonic wind tunnel of ASTRC of National Cheng Kung University, and compare the results with literatures. In the calibration, the effects due to temperature, dynamic response, view angle and concentration of the paint, have been examined. Eventually, the calibration curves are obtained. In addition, the results using the pressure sensitive paint for jet flow measurement are reported.

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