经典内容、常教常新——以温-熵图为例

吴强 侯文华

引用本文: 吴强, 侯文华. 经典内容、常教常新——以温-熵图为例[J]. 大学化学, 2025, 40(4): 399-407. doi: 10.12461/PKU.DXHX202407102 shu
Citation:  Qiang Wu,  Wenhua Hou. Teaching Classical Contents Newly: Taking Temperature–Entropy Diagram as an Example[J]. University Chemistry, 2025, 40(4): 399-407. doi: 10.12461/PKU.DXHX202407102 shu

经典内容、常教常新——以温-熵图为例

摘要: 在热力学可逆循环过程中,用温–熵图(TS图)表示系统的温度与熵的变化关系,能同时显示出系统所吸的热与所做的功,从而可以方便地计算得到该循环的热功转换效率。本文总结了TS图在多个经典热功转换循环过程中的应用,还介绍了近期报道的、利用电势的温度效应或浓差效应构建热力学循环,从低品位热能中获取能量的几个新型能量转换过程以及TS图在其中的指导作用,可加深师生对TS图的理解和认识,并拓展其应用范围。

English

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  • 发布日期:  2024-10-24
  • 收稿日期:  2024-07-24
  • 修回日期:  2024-08-15
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