Enhancement of Heat Transfer in a Tube Channel of a Tubular Heat Exchanger

被引：0

作者：

Konoplev, A. A. ^{[1
]}

Rytov, B. L. ^{[1
]}

Berlin, Al. Al. ^{[1
]}

Romanov, S. V. ^{[2
]}

机构：

[1] Russian Acad Sci, Semenov Fed Res Ctr Chem Phys, Moscow 119991, Russia

[2] OOO NPP Energosistemy, Moscow 105094, Russia

来源：

THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING | 2023年 / 57卷 / 05期

关键词：

thermal engineering experiment; tubular heat exchanger; tube channel; convective heat transfer; heat transfer; enhancement of heat transfer;

D O I：

10.1134/S0040579523050433

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Thermal engineering experiments were carried out with laboratory water-to-water tube-in-tube heat exchangers of the same design parameters with smooth and profiled inner tubes. The tubes were profiled by confuser-diffuser constrictions of the flow section of the inner channel, which were formed by the deformation of their walls and placed along the length at a step that was constant and equal for all profiled tubes. The obtained results showed a dependence of the heat transfer enhancement in the tube channel on the Reynolds and Prandtl numbers, with the dependence on the latter being much stronger than that on the former, at least in cases where the heat carrier is water.

引用

页码：869 / 875

页数：7

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