Most of the energy is lost through heat loss through the reactor's wall or through the re-radiation of sunlight back through the device's aperture.
而大多的能量都通过反应器壁的热耗散，或者通过装置开孔的太阳光再发散损失掉了。
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；
Insulate your home. Cavity wall insulation can cut heat loss through the wall by up to 60 percent.
房屋隔热可以利用空心墙来减少热能损耗，降幅高达60%。
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