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Keywords: CHF
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2015, 137(2): 021502.
Paper No: HT-13-1224
Published Online: February 1, 2015
... Tong. 01 05 2013 19 10 2014 25 11 2014 Dry-out is an important phenomenon which represents the CHF mechanism for flow boiling in microchannels. It has been described early in the literature with various definitions as dry-out, burn-out, or CHF as stated in Kandlikar [ 1...
Journal Articles
Article Type: Heat Transfer In Nanochannels, Microchannels, And Minichannels
J. Heat Transfer. February 2012, 134(2): 020906.
Published Online: December 19, 2011
...) and R134a for 1.0 mm tube at T sat  = 31°C Comparison between heat transfer coefficient of R1234ze(E) and R134a for 2.2 mm tube at T sat  = 31°C Comparison between CHF of R1234ze(E) and R134a [( 21 )] in 1.0 mm tube, T sat  = 31°C, ΔT sub  = 4 K Comparison between CHF...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. January 2012, 134(1): 011504.
Published Online: November 18, 2011
...Tailian Chen; Suresh V. Garimella The cooling capacity of two-phase transport in microchannels is limited by the occurrence of critical heat flux (CHF). Due to the nature of the phenomenon, it is challenging to obtain reliable CHF data without causing damage to the device under test. In this work...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. August 2010, 132(8): 081501.
Published Online: June 9, 2010
...Satish G. Kandlikar Accurate prediction of critical heat flux (CHF) in microchannels and minichannels is of great interest in estimating the safe operational limits of cooling systems employing flow boiling. Scale analysis is applied to identify the relevant forces leading to the CHF condition...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. July 2008, 130(7): 072403.
Published Online: May 20, 2008
... s to 303 kg ∕ m 2 s , and an effective heat flux up to 444 W ∕ cm 2 . The annular flow pattern revealed during flow visualization and the high exit qualities at CHF conditions suggest dryout to be the CHF mechanism. An analysis, based on the experimental results and known CHF characteristics...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. July 2008, 130(7): 072402.
Published Online: May 16, 2008
.... It was found that structured surfaces formed inside channel walls can assist mitigating the rapid bubble growth instability , which dominates many systems utilizing flow boiling in microchannels. This, in turn, delayed the parallel channel instability and the critical heat flux (CHF) condition. Experiments...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2008, 130(4): 042401.
Published Online: March 17, 2008
... studied. The p H value of the nanosuspensions is important from the point of view that it determines the stability of the particles and their mutual interactions toward the suspended heated wire. When there is no particle deposition on the wire, the nanofluid increases critical heat flux (CHF) by about 50...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. January 2008, 130(1): 012901.
Published Online: January 28, 2008
...A. P. Roday; T. Borca-Tasçiuc; M. K. Jensen The critical heat flux (CHF) condition needs to be well understood for designing miniature devices involving two-phase flow. Experiments were performed to determine the CHF condition for a single stainless steel tube having an inside diameter of 0.427 mm...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2006, 128(12): 1312–1319.
Published Online: January 11, 2006
...Chen Li; G. P. Peterson; Yaxiong Wang Presented here is the first of a two-part investigation designed to systematically identify and investigate the parameters affecting the evaporation/boiling and critical heat flux (CHF) from thin capillary wicking structures. The evaporation/boiling heat...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. July 2006, 128(7): 726–729.
Published Online: November 23, 2005
... results were compared with those on the common metal surface. In particular, the quantificational effects of the flow conditions, heating conditions, and the coating methods on the critical heat flux (CHF) were systemically investigated. The experimental data showed that the nucleate boiling heat transfer...
Journal Articles
Article Type: Technical Papers
J. Heat Transfer. December 2003, 125(6): 1038–1045.
Published Online: November 19, 2003
...Yuichi Mitsutake; Masanori Monde An ultra high critical heat flux (CHF) was attempted using a highly subcooled liquid jet impinging on a small rectangular heated surface of length 5 ∼ 10 mm and width 4 mm. Experiments were carried out at jet velocities of 5 ∼ 60 m / s , a jet temperature of 20°C...