By converting test condition to the standard pressure condition, calculation accuracy of average pressure impulse coefficient method is superior to that of tangent method.
换算到标准压强条件下,平均压强冲量系数法的计算精度优于切线法的计算精度,并作出了计算验证。
And the impulse coupling coefficient is not sensitive to nozzle length and the distance between ignition zone and inner surface of nozzle.
而冲量耦合系数对点火区与聚光系统内表面的距离及喷管长度等参数并不十分敏感。
The response coefficient and influence coefficient in input-output method are often used to appraise the tensile and impulse action of each sector and identify the key sectors in industrial economics.
产业经济学常用投入产出方法中的影响力系数和感应度系数来评价部门的拉动和推动作用,从而作为确定国民经济中关键部门最重要的参考指标。
Energy law of similitude for laser propulsion refers to the law that there is an optimum nozzle configuration for the largest value of impulse coupling coefficient at certain incident laser energy.
激光推进的能量相似律,指确定的激光能量有与之相对应的最佳喷管尺寸,使得冲量耦合系数最大且不变的规律。
Under the same wall heat condition, with the increase of momentum correction coefficient, viscosity loss of the nozzle increases, but thrust and specific impulse decrease.
在同等壁面热条件下,随着动量调节系数的增加,喷管粘性损失增大,喷管的推力和比冲都将下降;
The results show that, impulse and impulse coupling coefficient firstly increase and then decrease with the augment of the dimensionless factor when cone angle is fixed;
结果表明:当锥角固定时,冲量和冲量耦合系数随无量纲因子先增大后减小,极大值对应的无量纲因子仅与气体比热比相关;
The results show that, impulse and impulse coupling coefficient firstly increase and then decrease with the augment of the dimensionless factor when cone angle is fixed;
结果表明:当锥角固定时,冲量和冲量耦合系数随无量纲因子先增大后减小,极大值对应的无量纲因子仅与气体比热比相关;
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