本文分析了风速对平板型太阳集热器顶部热损失系数的影响,导出了风速影响修正系数及经验公式。
The effect of wind speed on the top heat loss coefficient of flat plate solar collector has been analyzed, the modified coefficient for wind speed effect and its empirical equation has been derived.
用固体火箭发动机中常用的瞬态平衡压强法对烟火剂式点火器内弹道性能进行了理论预示,并提出热损失系数的概念。
Instantaneous equilibrium pressure method is used in this paper to analysis the internal ballistics of pyrogen-type igniters. A concept of igniter heat loss coefficient is also presented.
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;
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.
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