The heat exchangers for ice formation on tube essentially consists of cold pipes submersed in stagnant water or in a cross flow of water. The heat exchanger considered here is a falling film one. Water falling film falls down over a set of vertical in-line cold horizontal tubes. The falling film main modes are droplets, jets, and sheet depending on its flow rate. The tubes are internally cooled by a controlled subzero temperature coolant. The coolant passes through the pipes in parallel. Water falling film freezes gradually outside the test tubes. The quantity of ice formed on the test tubes is observed, photographed, and measured at different times for different falling film modes. It has been noticed that the rate of ice formation decreases with time as ice accumulates on the test tubes. The overall heat transfer coefficient decreases as more ice accumulates on the test tubes.
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December 2012
Research-Article
Experimental Investigation on Freezing of Water Falling Film on Vertical Bank of Cold Horizontal Tubes
Ahmed Hussain,
Ahmed Hussain
Mechanical Engineering Department,
05 Al Tahlia Street,
King Abdulaziz University
,05 Al Tahlia Street,
Rabigh 21911, Saudi Arabia
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Abduzahir M. Selim
Abduzahir M. Selim
Mechanical Technology Department,
Jeddah College of Technology,
05 King Khalid Street,
Jeddah College of Technology,
05 King Khalid Street,
Jeddah 21494, Saudi Arabia
Search for other works by this author on:
Ahmed Hussain
Mechanical Engineering Department,
05 Al Tahlia Street,
King Abdulaziz University
,05 Al Tahlia Street,
Rabigh 21911, Saudi Arabia
Abduzahir M. Selim
Mechanical Technology Department,
Jeddah College of Technology,
05 King Khalid Street,
Jeddah College of Technology,
05 King Khalid Street,
Jeddah 21494, Saudi Arabia
Manuscript received November 22, 2011; final manuscript received February 12, 2012; published online October 17, 2012. Assoc. Editor: Zahid Ayub.
J. Thermal Sci. Eng. Appl. Dec 2012, 4(4): 041006 (7 pages)
Published Online: October 17, 2012
Article history
Received:
November 22, 2011
Revision Received:
February 12, 2012
Citation
Sait, H. H., Hussain, A., and Selim, A. M. (October 17, 2012). "Experimental Investigation on Freezing of Water Falling Film on Vertical Bank of Cold Horizontal Tubes." ASME. J. Thermal Sci. Eng. Appl. December 2012; 4(4): 041006. https://doi.org/10.1115/1.4006314
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