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Details for article 3 of 5 found articles
| Title: |
BOILING CHARACTERISTICS OF R-11 IN COMPACT TUBE BUNDLES WITH SMOOTH AND ENHANCED TUBES |
| Author: |
Liu, Zhen-hua Qiu, Yu-hao |
| Appeared in: |
Experimental heat transfer |
| Paging: | Volume 17 (2004) nr. 2 pages 91-102 |
| Year: |
2004-04-01 |
| Contents: |
This study presents new data on nucleate boiling heat transfer obtained in compact horizontal tube bundles with small tube gaps. The experiment investigates the heat transfer enhancement effects by the restricted spaces comprising the compact tube bundles and the enhanced heat transfer tubes for nucleate boiling heat transfer of R-11 at atmospheric pressure. A roll-worked tube was used as a new type of enhanced heat transfer tube. The experimental results show that the small tube gaps can greatly enhance boiling heat transfer in a smooth tube bundle, while enhancement effects of small gaps were not quite significant for the enhanced tube bundle. There is a compound effect from the enhanced surface and the restricted space only for the enhanced tube bundle with the tube gap of 0.5 mm. The effects of the tube positions within both compact tube bundles on the boiling heat transfer were minor. |
| Publisher: |
Taylor & Francis |
| Source file: |
Elektronische Wetenschappelijke Tijdschriften |
Details for article 3 of 5 found articles
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