EFFECTS OF REPEATED HIGH-TEMPERATURE CYCLES ON THE THERMAL CONTACT RESISTANCE OF BIMETALLIC FINNED TUBES

被引：0
|
作者：
Piir, A. E. [1 ]
Roshchin, S. P. [1 ]
Vereshchagin, A. Yu. [1 ]
Kuntysh, V. B. [2 ]
Minnigaleev, A. Sh. [3 ]
机构：
[1] Arkhangelsk State Tech Univ, Arkhangelsk, Russia
[2] Belarus State Technol Univ, Minsk, BELARUS
[3] Oktyabrskkhimmash ZAO, Minsk, BELARUS
来源：
CHEMICAL AND PETROLEUM ENGINEERING | 2007年 / 43卷 / 9-10期
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D O I：
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中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Measurements have been made on the thermal contact resistance (TCR) in repeated cycles of heating to 270 degrees C and cooling to 50 degrees C in experimental specimens of bimetallic finned tubes having roll and strip fins. Tenfold heating-cooling cycles increase the TCR of these tubes in the cold state by factors of 1.5-2.5.
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页码：519 / 522
页数：4
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