Heat transfer enhancement and critical heat fluxes in boiling of microfinned surfaces

被引：18

作者：

Popov, I. A. ^{[1
]}

Shchelchkov, A. V. ^{[1
]}

Gortyshov, Yu. F. ^{[1
]}

Zubkov, N. N. ^{[2
]}

机构：

[1] Tupolev Kazan Natl Res Tech Univ KAI, Kazan 420111, Russia

[2] Bauman Moscow State Tech Univ, Moscow 105005, Russia

来源：

HIGH TEMPERATURE | 2017年 / 55卷 / 04期

关键词：

MICROPOROUS COATINGS; POOL; LIQUID; TUBES;

D O I：

10.1134/S0018151X17030208

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A brief review is presented of experimental investigations of heat transfer enhancement during boiling on surfaces with nano- or microstructure. Distilled water boiling on microfinned surfaces made by deforming cutting was investigated. It was found that, for distilled water boiling on these surfaces with 3D microfinning (having an interfin gap of u = 120-180 mu m, a microfin height of h = 340-570 mu m, and a microfin pitch of w = 240-400 mu m), heat transfer increased by a maximum factor of 4 to 5 as compared with that on smooth surfaces. Critical heat fluxes increase by a factor of up to 6 as compared with boiling on smooth surfaces.

引用

页码：524 / 534

页数：11

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