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有效地输送收集到的太阳能,是太阳能利用中需要研究解决的重要问题之一,人们对此进行了多方面的探索。最近,科学家们找到了几种可用于输送太阳能的混合气体,其中一种CO_2、CH_4、H_2、CO和水蒸汽混合气体,最有希望达到实用要求,它的工作原理见右图。图中,抛物盘聚光器用于收集太阳能,获得高温。CO_2和CH_4由管道输送到置于焦点上的吸热器
The effective transportation of collected solar energy is one of the important issues that need to be studied and solved in the utilization of solar energy. People have conducted many exploration on this issue. Recently, scientists have found several mixed gases that can be used to transport solar energy. Among them, a mixed gas of CO 2, CH 4, H 2, CO and water vapor is most promising for practical applications. Its working principle is shown on the right. In the figure, the parabolic concentrator is used to collect solar energy and obtain high temperature. CO_2 and CH_4 are piped to the focused heat sink