燃气涡轮试验与研究
燃氣渦輪試驗與研究
연기와륜시험여연구
GAS TURBINE EXPERIMENT AND RESEARCH
2012年
2期
54-58
,共5页
进气道/发动机相容性%总压畸变%紊流度%滤波
進氣道/髮動機相容性%總壓畸變%紊流度%濾波
진기도/발동궤상용성%총압기변%문류도%려파
inlet/engine compatibility%total pressure distortion%turbulivity%filtering
研究了进气道/发动机相容性试飞中总压畸变数据的采集与处理方法,详细介绍了传感器选型、测点布局、受感部设计、测试及采集系统构建的要点,开发了通用动态数据处理软件,并重点研究了动态总压数据处理方法和参数选择问题。通过某型飞机/发动机的进气道,发动机相容性试飞应用及其数据处理表明:提出的测试与采集方案合理可行,工程应用情况良好;动态数据处理中应合理选择截止频率、滤波器阶次以及滤波函数。
研究瞭進氣道/髮動機相容性試飛中總壓畸變數據的採集與處理方法,詳細介紹瞭傳感器選型、測點佈跼、受感部設計、測試及採集繫統構建的要點,開髮瞭通用動態數據處理軟件,併重點研究瞭動態總壓數據處理方法和參數選擇問題。通過某型飛機/髮動機的進氣道,髮動機相容性試飛應用及其數據處理錶明:提齣的測試與採集方案閤理可行,工程應用情況良好;動態數據處理中應閤理選擇截止頻率、濾波器階次以及濾波函數。
연구료진기도/발동궤상용성시비중총압기변수거적채집여처리방법,상세개소료전감기선형、측점포국、수감부설계、측시급채집계통구건적요점,개발료통용동태수거처리연건,병중점연구료동태총압수거처리방법화삼수선택문제。통과모형비궤/발동궤적진기도,발동궤상용성시비응용급기수거처리표명:제출적측시여채집방안합리가행,공정응용정황량호;동태수거처리중응합리선택절지빈솔、려파기계차이급려파함수。
The methods on acquisition and processing of total pressure distortion data in inlet/engine com- patibility flight test were researched. The sensor selection, station distribution, the rake design, and data ac- quisition system construction were specified. General software for dynamic data processing was developed, data processing method and parameter selection were emphasized. Applying the methods to an inlet/engine compatibility flight test project, final results showed that the measuring and processing methods were rea- sonable and feasible, cut-off frequency and filter order and filtering function should be carefully selected in dynamic data processing.