高超声速飞行器巡航燃料消耗分析

针对某一高超声速飞行器模型,对飞行器巡航中的燃料消耗进行了分析计算。首先计算了不同高度和速度下飞行器稳态巡航的燃料消耗,得到了要实现某一速度的稳态巡航,则高度必须在一定的范围内,反之亦然的结论。其次,用遗传算法优化得到周期巡航的燃料消耗,结果表明,当飞行迎角在5°附近时,周期巡航燃料消耗较少。最后,对两种巡航状态的燃料消耗进行了比较,得出周期巡航比稳态巡航节省燃料的结论。

Analysis of Fuel-consumption of Hypersonic Vehicle During Cruise

According to a hypersonic vehicle's model,fuel-consumption during cruise is analyzed and calculated.First,fuel-consumption of the hypersonic vehicle during steady-state cruise is calculated aiming at different altitude and velocity.It is concluded that altitude must be among a range if the cruise's velocity is a fixed value and vice versa.Secondly,fuel-consumption during periodic-cruise is optimized by genetic algorithm.The results indicate that fuel-consumption is lesser when angle of attack is closed to 5...