Studied is the enhanced condensation heat transfer of horizontal coil tube with longitudinal "V" type grooves.
用实验方法研究水平螺旋管管外有纵向V型槽时凝结换热的强化问题。
It is indicated that the enhanced condensation heat transfer technology on vertical tubes, when applied to vertical utility heaters, can efficiently raise the feed water temperature and save energy.
最后指出，立管冷凝强化传热技术在电站的立式加热器中应用，可以较大幅度地提高给水温度，实现节能增效。
For HCFC22, the enhancement of condensation heat transfer outside two kinds of enhanced tubes versus the plain tube is larger than that for R407C.
对于所试验的两种强化管，HCFC22的管外冷凝换热系数的强化效果比R407C更明显。
This paper researches into enhanced heat transfer of condensation of splitting gas of waste plastics and R113 on the general smooth tubes, the screw tubes and the aculei finned tubes.
本文研究制冷剂r 113和废塑料制汽油过程中产生的裂解气在水平光滑管、螺纹管与“犁刺”管上的冷凝强化传热。发现“犁刺”管的制冷传热效果约为光滑管的14倍，为螺纹管的10倍。
This paper researches into enhanced heat transfer of condensation of splitting gas of waste plastics and R113 on the general smooth tubes, the screw tubes and the aculei finned tubes.
本文研究制冷剂r 113和废塑料制汽油过程中产生的裂解气在水平光滑管、螺纹管与“犁刺”管上的冷凝强化传热。发现“犁刺”管的制冷传热效果约为光滑管的14倍，为螺纹管的10倍。
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