RISS 학술연구정보서비스

검색
다국어 입력

http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.

변환된 중국어를 복사하여 사용하시면 됩니다.

예시)
  • 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
  • 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
닫기
    인기검색어 순위 펼치기

    RISS 인기검색어

      검색결과 좁혀 보기

      선택해제

      오늘 본 자료

      • 오늘 본 자료가 없습니다.
      더보기
      • 무료
      • 기관 내 무료
      • 유료
      • Numerical Analysis of Drag and Heating Reduction by Directed Energy Air Spike

        Sho Sasamoto,Etsuo Morishita 한국항공우주학회 2008 한국항공우주학회 학술발표회 논문집 Vol.- No.-

        It is well known to the aerospace engineering community that aerodynamic drag and heating are extremely critical issues at hyper velocities. Directed Energy Air Spike (DEAS) is a method to deposit a small amount of energy in the flow ahead of a blunt body and to reduce the drag and the heating. The hypersonic flow at M=7 past the blunt body is investigated numerically. The axis-symmetric bodies are studied. The compressible Navier-Stokes Equations are solved by the AUSM-DV scheme. The effects of heat addition and its location are of a particular interest in the present calculation. And the computational results show that optimum amount and location of the heat addition could be determined aerodynamically. The present calculations also confirm that DEAS is a very effective method for the drag and heat transfer reduction at hypersonic speeds.

      연관 검색어 추천

      이 검색어로 많이 본 자료

      활용도 높은 자료

      해외이동버튼