Heat Transfer Processes in the Fire-Tube Boiler Non-Circular Profile Furnace

被引：0
|
作者：
Batrakov, P. A. [1 ]
Mikhailov, A. G. [1 ]
Maer, A. V. [2 ]
机构：
[1] Omsk State Tech Univ, 11 Mira Pr, Omsk 644050, Russia
[2] Kurgan State Univ, 63 Sovetskaya Str, Kurgan 640020, Russia
来源：
OIL AND GAS ENGINEERING (OGE-2018) | 2018年 / 2007卷
关键词：
fire-tube boiler; furnace; intensification; heat exchange; convection; radiation;
D O I：
10.1063/1.5051873
中图分类号：
TE [石油、天然气工业];
学科分类号：
0820 ;
摘要：
The paper presents data on the heat exchange extended surfaces application and convective and radiative heat exchange intensification. One of the most effective methods of heat transfer intensifying is using the regularly positioned ridges (corrugated surface) in the pipe, which provide heat exchange area increasing and are the turbulent excitations generation sources additionally to the already existing natural excitations in the flow. The use of the ellipse cross section with the cross corrugation makes it possible to improve the furnace heat reception intensity by more than 5-5.5% as compared to the furnace with the ellipse cross section and smooth inner surface.
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页数：7
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