The basic working principle of automotive cooling system is expounded here with the emphasis on the characteristics of the two cooling systems: expansion valve throttle and pipe throttle.
阐述汽车空调制冷系统的基本工作原理,着重叙述膨胀阀式节流与孔管式节流制冷系统的特点。
Cooling-water-pipes have some cooling effects on the surrounding gas, but cooling effects on the whole tin bath are not obvious.
水包对附近气体有冷却作用,但对于整个锡槽的冷却作用并不明显。
By making the simulation of cooling and heating mode, the change rules of the soil temperature with the radial direction, the change rules of the exit water temperature of the buried pipe and the thermal influencing radius in the vertical multi-pipe were obtained.
通过对制冷和制热工况的模拟,得到土壤温度沿径向的变化规律、埋管出水温度的变化规律及埋管的热作用半径的变化规律。
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