Traditional Culture Encyclopedia - Photography major - Why does Kunming Lake freeze?
Why does Kunming Lake freeze?
After being cooled by a refrigeration device, it is poured into the lake to help freeze. Kunming Lake is the largest lake in the Summer Palace. The freezing of Kunming Lake is realized by natural ice and artificial refrigeration equipment, because the average temperature in Beijing in winter is about MINUS 5 degrees to MINUS 15 degrees, and the lake will freeze when it is cold. However, because the temperature is not particularly cold and the icing conditions are not particularly good, the staff will use a large refrigeration unit to cool the water surface and then inject the cooled ice into the lake surface. Under the influence of low temperature in winter, Kunming Lake will gradually freeze, and the heat in Beijing is enough to support the ice from melting. In winter, the temperature will continue to be low and the ice surface will be thicker. At this time, skating can be carried out on the ice surface.
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