Volume 29 Issue 7
Jul.  2003
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Zhang Yunfei, Guo Wei, Ma Dongli, et al. Calculation of range and endurance of jet aircraft at constant altitude[J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(7): 565-569. (in Chinese)
Citation: Zhang Yunfei, Guo Wei, Ma Dongli, et al. Calculation of range and endurance of jet aircraft at constant altitude[J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(7): 565-569. (in Chinese)

Calculation of range and endurance of jet aircraft at constant altitude

  • Received Date: 18 Apr 2002
  • Publish Date: 31 Jul 2003
  • When the thrust coefficients of fuel consumption were constant, the calculation formulas of optimal cruise states (including posture and airspeed) were presented for long-range and long-endurance, and the calculation formula of range and endurance were given when flight strategy held airspeed or posture uniform. The results show that variable posture and airspeed are needed for long-range flight and changeless posture and variable airspeed are needed for long-endurance flight. The example expresses that when the flight parameter is close to the optimal ones, either changeless posture or constant airspeed flight can highly approach long-range or long-endurance flight. When the thrust coefficients of fuel consumption changing with airspeed, the above questions were studied also and the main processes of calculation were given.

     

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