국내 최대 기계 및 로봇 연구정보

기술보고서

기술보고서 게시판 내용
타이틀	Improved Accuracy of Aerodynamic Heating Rate Measurement by Use of a New Rapid Injection System for Test Models in NAL Hyper-sonic Wind Tunnel.
저자	Tadao KOYAMA
Keyword	new rapid injection system; aerodynamic heating rate, hypersonic wind tunnel
URL	http://send.nal.go.jp/send/jpn/dlpdf.php3/naltm00660.pdf?id=NALTM0000660
보고서번호	NAL TM-660
발행년도	1993.11
출처	NAL (National Aerospace Laboratory of Japan)
ABSTRACT	In this paper, some methods of heat transfer measurement used in hypersonic wind tunnels are briefly summarized and the characteristics of a new rapid injection system to improve the accuracy of aerodynamic heating rate measurement in test models are also described. Experimental studies using this system for six sphere-cone models were conducted at a Mach number of 7.1 in the 50 cm NAL hypersonic wind tunnel. Test results showed that this system was able to improve the accuracy of aerodynamic heating rate measurement in comparison with the existing system.