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Jing Fan. Effects of centrifugal force and glide distance on the flight performance of HCV[J]. Chinese Journal of Theoretical and Applied Mechanics, 2011, 43(2): 249-254. DOI: 10.6052/0459-1879-2011-2-lxxb2010-607
Citation: Jing Fan. Effects of centrifugal force and glide distance on the flight performance of HCV[J]. Chinese Journal of Theoretical and Applied Mechanics, 2011, 43(2): 249-254. DOI: 10.6052/0459-1879-2011-2-lxxb2010-607
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Effects of centrifugal force and glide distance on the flight performance of HCV

  • Received Date: September 09, 2010
  • Revised Date: January 06, 2011
    Graphical Abstract
    • Abstract
  • The flight performance of hypersonic cruise vehicles (HCVs), a competitive focus of international aerospace technologies in the 21st century, can be measured by a ratio of the initial boost mass to the generalized payload. A coupling frame to analyze the performance was established in Ref.[1]. Under the frame, two important effects, namely the centrifugal force and glide distance, have been further taken into account in this article. It was shown quantitatively that for a given distance, the first important factor to affect the flight performance of HCVs is the cruise speed, the second is the lift-to-drag ratio, and the third is the specific impulse of the cruise engine. As a flight distance increases, the performance of a rocket-based HCV, greatly improved due to the centrifugal force and glide distance taken into account, is significantly superior to the classical minimum-energy trajectory from short-middle to long range. A hypersonic air-breathing ramjet, though its specific impulse much higher than that of a rocket engine, is not so good as the latter in terms of the cruise speed range and lift-to-drag ratio. It is concluded that rocket-based HCVs flying at the optimal speed are a very competitive choice at the current stage.
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