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太阳池是一种人造的盐水池,池底为黑色,盐水浓度随池深而异,越深浓度越大,能有效地抑制对流。吸收太阳能后,池温逐渐上升,经一定时间,池底温度可高于池面,有的达90℃以上。太阳池既能集热,又能蓄热。它可用来供应热水、采暖和低温发电。现正在继续对其进行研究。自然界中,也存在一些天然的太阳池。
Sun pool is a man-made salt water pool, black bottom pool, brine concentration varies with the depth of the pool, the deeper the greater the concentration, can effectively inhibit the convection. After absorbing solar energy, the temperature of the pool gradually increases. After a certain period of time, the temperature of the bottom of the pool may be higher than the surface of the pool, and some may reach above 90 ° C. Solar pool can collect heat, but also heat storage. It can be used to supply hot water, heating and low-temperature power generation. It is continuing its research. In nature, there are also some natural solar ponds.