民用飞机设计与研究
民用飛機設計與研究
민용비궤설계여연구
CIVIL AIRCRAFT DESIGN AND RESEARCH
2012年
4期
33-34,39-41
,共5页
腹撑支架%支架干扰修正%映像两步法%支架阻塞
腹撐支架%支架榦擾脩正%映像兩步法%支架阻塞
복탱지가%지가간우수정%영상량보법%지가조새
Ventral Support%Correction of Support Iinterfere%Two-steps Imaging Method%Support Block
支架干扰修正在风洞试验数据修正体系中是很重要的环节,支撑系统对整个风洞流场的干扰是不可避免的,有些气动数据的测量值甚至会严重偏离真实结果,所以支架干扰修正方法一直是风洞数据处理的关键。常规的低速风洞试验一般采用腹撑支杆,对于支架干扰的修正一般采用试验映像两步法。对某型运输飞机低速风洞试验的支架干扰修正进行分析,数值模拟了支架对风洞流场环境的影响,研究了现行风洞数据支架干扰修正体系。
支架榦擾脩正在風洞試驗數據脩正體繫中是很重要的環節,支撐繫統對整箇風洞流場的榦擾是不可避免的,有些氣動數據的測量值甚至會嚴重偏離真實結果,所以支架榦擾脩正方法一直是風洞數據處理的關鍵。常規的低速風洞試驗一般採用腹撐支桿,對于支架榦擾的脩正一般採用試驗映像兩步法。對某型運輸飛機低速風洞試驗的支架榦擾脩正進行分析,數值模擬瞭支架對風洞流場環境的影響,研究瞭現行風洞數據支架榦擾脩正體繫。
지가간우수정재풍동시험수거수정체계중시흔중요적배절,지탱계통대정개풍동류장적간우시불가피면적,유사기동수거적측량치심지회엄중편리진실결과,소이지가간우수정방법일직시풍동수거처리적관건。상규적저속풍동시험일반채용복탱지간,대우지가간우적수정일반채용시험영상량보법。대모형운수비궤저속풍동시험적지가간우수정진행분석,수치모의료지가대풍동류장배경적영향,연구료현행풍동수거지가간우수정체계。
It is an important part that support interfere correction in the wind tunnel test correction system, the support interfere of wind tunnel airflow is inevitable, even the measure of some parameters could far warp to real, so the method to correct support interfere is the key of wind tunnel data correction. The ventral support is normal used in low speed wind tunnel test, two-steps imaging method works at correction. We analyse the support correction of a low speed wind tunnel test about the certain transport airplane, numerical simulate the influence of the support to wind tunnel airflow, research the current wind tunnel support correct system.