Development and research of a heat exchanger using porous materials
- 作者: Kireev V.V.1
-
隶属关系:
- LLC "Industrial and processing complex"
- 期: 卷 93, 编号 2 (2004)
- 页面: 14-17
- 栏目: Articles
- URL: https://bakhtiniada.ru/0023-124X/article/view/101055
- DOI: https://doi.org/10.17816/RF101055
- ID: 101055
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详细
A new heat exchanger «liquid-air» is offered where the process of heat exchange is intensified through the use of the tubes of a drop like section (instead of round tubes), and the surface of heat exchange is significantly increased owing to the use of net plates. The increase in heat exchanger efficiency is also achieved during evaporation on heat exchanger surface of the water injected into the flow of the cooling air.
作者简介
V. Kireev
LLC "Industrial and processing complex"
编辑信件的主要联系方式.
Email: info@eco-vector.com
Канд. техн, наук
俄罗斯联邦, Tulun参考
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1.
JATS XML
2.
Rice. Fig. 1. Scheme of air flow around heat exchange elements: a — drop-shaped tube; b - round pipe
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3.
Rice. 2. Scheme of the study of the heat exchange element: I - heat exchange element; 2 - nozzle; 3 - valve; 4 - water tank: 5 - water circuit; 6 - expander; 7 - control valve; 8 - heater
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4.
Rice. Fig. 3. Dependence of the true heat transfer coefficient from the fuel cell surface to the cooling medium on the air speed: 1 - cylindrical pipe; 2 - drop-shaped pipe; 3 - drop-shaped pipe with water irrigation
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5.
Rice. 4. Heat exchanger: 1 - body; 2 - intake manifold; 3 - exhaust manifold; 4 - pipes; 5 - mesh plates; 6 - annular space
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Rice. 5. Scheme of movement of the cooling medium: 5 - mesh plates; 7 - manifold baffles; 8 - nozzle
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7.
Rice. Fig. 6. Dependence of the change in the heat transfer coefficient of the heat exchanger on the speed of the cooling medium (T air = 278 K) at a speed of water movement through the pipes of 0.1 m/s: 1 - without mesh plates; 2 - with mesh plates; 3 - with mesh plates and water injection
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