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1)  small blunt reentry bodies
再入小钝头体
2)  blunt-nosed body
钝,钝头体
3)  blunt body
钝头体
4)  a blunt nosed and short body
大钝头短体
1.
The separated flow structures of the transonic flow around a blunt nosed and short body at large angles of attack are calculated by using three different types (inviscid, laminar and turbulent) of numerical simulations.
采用不同流型 (无粘 ,层流 ,湍流 )的数值模拟方法计算了绕大钝头短体外形的跨音速大迎角时的流态 ,并进行了比较分析。
5)  blunt obstacle
钝头障碍体
6)  reentry warhead
再入弹头
1.
The stochastic mathematical model about maneuverable reentry warhead attacking ground target was established.
建立了机动再入弹头攻击地面目标的随机数学模型,根据再入机动弹头攻击目标的要求,选择合理的代价函数和控制量的约束方程,利用随机最优控制理论,结合再入弹头的运动学与动力学方程,获得再入弹头的最优制导律。
2.
In order to hit the target accurately,with minimum velocity losses as its objective,an optimal guidance law in the plane for reentry warhead on angular velocity was deduced according to the theory of sub-parallel approach and optimal theory.
为了使再入弹头的速度损失最小,并能准确击中目标。
3.
The Stochastic mathematic model of maneuvering reentry warhead was proposed, and the rational slide switch surface was chosen based on the desire of attacking ground target.
建立了机动再入弹头随机数学模型,根据攻击目标的要求选择合理的滑模变结构开关面。
补充资料:泵最小吸入压头
分子式:
CAS号:

性质:指灌注泵装置,保持泵正常吸入被送液体时,所必须的吸入压头的最小值。以换算成泵基准面至被送液体液面的液柱高的数值表示,单位为:m。此液柱高为泵的最小安装高度,当泵安装高度低于此值时,泵将产生汽蚀而不能正常输送液体,并伴有振动和泵零部件损坏。

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