MATEC Web Conf.
Volume 73, 2016XV International Conference “Topical Problems of Architecture, Civil Engineering, Energy Efficiency and Ecology – 2016”
|Number of page(s)||8|
|Section||Buildings and Structures, Foundations and Underground Constructions, Bridges, Highways and Tunnels|
|Published online||11 August 2016|
Research of Spined Heat-Exchanging Pipes
Industrial University of Tyumen, 625001 Volodarskogo str. 38, Tyumen, Russia
* Corresponding author: email@example.com
Work is devoted to a research of spined heat-exchanging pipes that are assumed to use in air-cooler exchangers (ACE). The proposed new geometry of finning allows intensifying heat exchange and improving the efficiency of air coolers. It is caused by the increased area of finned surface with a value of finning ratio (the ratio of the area of the smooth pipe to a finned one) to 42.7, while in the commercially available ACE, the figure is 22. Besides, the geometrical arrangement of the pin fins turbulizes the airflow. It should be mentioned that an easier method of manufacturing of heat exchanging pipes is proposed to use, which will reduce their costs. The proposed heat exchange pipes are made by winding cut aluminum strip to the supporting pipe or stretching stamped blanks on it. To increase the efficiency of the heat exchange surface pin fins should be as thin and long as possible; however, their strength should be sufficient for deformation-free operation. Fins should be staggered to maximize the distance between them. Spined heat-exchange pipes are designed to operate in a commercially produced ACE and their service is carried out similarly to commercially produced transversely finned pipes.
© The Authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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