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题水在热电厂中变为水蒸汽,通过涡轮机带动发电机.用过的水蒸汽在液化器中凝结成水,再到锅炉循环使用.液化器中的冷却水则流到冷却塔中降温.如图水的比热为4.2·103焦/(千克·C). (1)夏天.来自冷却塔的水温为16℃而回到冷却塔的水温为30℃,若冷却塔和液化器间水的流量为15米3/秒,试求这个系统通过冷却塔散热的功率.
The water in the thermal power plant turns into water vapor, which drives the generator through a turbine. The used water vapor condenses into water in a liquefier, and then it is recycled into the boiler. The cooling water in the liquefier then flows into the cooling tower to cool down. The specific heat of the water is 4.2·103 joules/(kilogram·C). (1) In the summer, the water temperature from the cooling tower is 16°C and the water temperature returned to the cooling tower is 30°C. If the water between the cooling tower and the liquefier is The flow rate is 15m 3 /s, try the power of the cooling system through this cooling tower.