Heat Transfer Engineering, ( ISI ), Volume (30), No (5), Year (2009-5) , Pages (408-415)

Title : Investigation of Geyser Boiling Phenomenon in a Two-Phase Closed Thermosyphon ( Investigation of Geyser Boiling Phenomenon in a Two-Phase Closed Thermosyphon )

Authors: سرمستی امامی , Seyed Hossein Noie Baghban , خشنودی , Mahmod Taghi Hamed Mosavian , Ali Kianifar ,
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In this paper, geyser boiling phenomenon (GBP) in a two-phase closed thermosyphon has been investigated experimentally. Here, the effects of the inclination angle, filling ratio, input heat rate, mass flowrate of coolant, and inside diameter of the tube on the GBP have been discussed. Three copper thermosyphons with inside diameters of 14 mm, 20 mm, and 24 mm and a length of 1000 mm were employed. Distilled water was used as the working fluid. A series of experiments was carried out to investigate the effect of the inclination angle range of 5° to 90°, the input heat rate range of 50 to 312.4 W, the coolant mass flow rate range of 0.00389 to 0.0164 kg/s, and the filling ratio range of 15 to 45%. The GBP has been investigated by analyzing the time variations of the evaporator and adiabatic wall temperature and outlet water temperature from condenser jacket. The results show that the period of GBP was longer for higher inclination angles and filling ratios. Furthermore, it was discovered that the GBP did not take place for inclination angles of less than 15°.

Keywords

, Two-Phase Closed Thermosyphon, Inclination Angle, Geyser Boiling, Filling
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@article{paperid:1005783,
author = {سرمستی امامی and Noie Baghban, Seyed Hossein and خشنودی and Hamed Mosavian, Mahmod Taghi and Kianifar, Ali},
title = {Investigation of Geyser Boiling Phenomenon in a Two-Phase Closed Thermosyphon},
journal = {Heat Transfer Engineering},
year = {2009},
volume = {30},
number = {5},
month = {May},
issn = {0145-7632},
pages = {408--415},
numpages = {7},
keywords = {Two-Phase Closed Thermosyphon; Inclination Angle; Geyser Boiling; Filling Ratio},
}

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%0 Journal Article
%T Investigation of Geyser Boiling Phenomenon in a Two-Phase Closed Thermosyphon
%A سرمستی امامی
%A Noie Baghban, Seyed Hossein
%A خشنودی
%A Hamed Mosavian, Mahmod Taghi
%A Kianifar, Ali
%J Heat Transfer Engineering
%@ 0145-7632
%D 2009

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