국내 최대 기계 및 로봇 연구정보

기술보고서

기술보고서 게시판 내용
타이틀	Comparative Study of BGK No.1 Airfoil Data in High Reynolds Number Transonic Wind Tunnels
저자	Norikazu SUDANI, Kenichi MATSUNO, Hiroshi KANDA, Mamoru SATO, Hitoshi MIWA, Iwao KUWAMOTO
Keyword	Airfoil Data; Transonic Flow; BGK No.1; High Reynolds Number Testing; Wall Interference Correction
URL	http://send.nal.go.jp/send/jpn/dlfile.php3/naltr1191t?doctype=7&filetype=20&path0=naltr1191t&path1=pdf&path2=naltr1191t.pdf
보고서번호	NAL TR-1191T
발행년도	1993.1
출처	NAL (National Aerospace Laboratory of Japan)
ABSTRACT	A comparative study of BGK No.1 airfoil data in the NAL(Japan)and IAR(Canada)high Reynolds number transonic wind tunnels was performed to evaluate the techniques and the accuracy of airfoil testing.Tests were conducted from a low subsonic speed over the design speed of the airfoil mainly at a Reynolds number of 21 million based on airfoil chord at both facilities.Pcation of sidewall interference correction to both sets of wind tunnel data improves agreement between the two sets of data.The results also raise new issues on drag measurement and flow two-dimensionality at a high angle of attack and/or a high Mach number.The results of this study will lead to improvements in the accuracy of airfoil testing.