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dingweiyang

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[求助] 焦-汤效应求解

求一个详细的解题过程:
温度300K的情况下,欲将18MPa的硅烷通过减压阀减压至2MPa,由于节流效应,气体本身的温度变化具体多大?此时的焦汤系数是不是即温度除以压差?
另,各个气体的焦汤系数方程有什么工具书可以查到吗?

本人多年不碰高数,教科书难以消化,求高手耐心列出解题步骤详细指教(可以通过邮箱dingweiyang@163.com传图);刚上来金币不多,见笑了。
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