... 3) Thermal——热边界条件 Heat exchange with the environment——用于指定由节点形成的单元面与其环境之间的热传导; Heat flux——用于指定单位面积的热流; ...
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U It's u, because u is to q plus w right, heat and work, but it's adiabatic. So there's no heat, exchange with the environment, and it's constant volume, so there's no p dV work, right.
什么是零?是U,因为,等于q加w,热量和功,但这是绝热的,所以系统与环境间没有热量交换;,同时它是灯体的,所以也没有pdV形式的功。
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