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Keywords: Jet impingement
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2020, 142(11): 112301.
Paper No: HT-20-1060
Published Online: July 17, 2020
...Vivek Subramaniam Sambamurthy; Srivatsan Madhavan; Prashant Singh; Srinath V. Ekkad Experimental investigation was carried out to study heat transfer and fluid flow in high porosity (93%) thin metal foams (MFs) subjected to array jet impingement, under maximum and intermediate crossflow exit...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2020, 142(5): 051302.
Paper No: HT-19-1279
Published Online: March 17, 2020
... presented a procedure for solution of three-dimensional (3D) transient conduction equation using alternating direction implicit (ADI) method and an error minimization routine to find accurate HTCs at relatively lower computational cost. Representative cases of a single jet and an array jet impingement under...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2020, 142(5): 052301.
Paper No: HT-19-1298
Published Online: March 17, 2020
... configurations were designed for the maximum utilization of the foam area for heat transfer and reduced penalty on the pumping power requirement. Three different pore density foams were tested with three different array-jet impingement configurations. The minimum possible thickness for each pore density was...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. August 2019, 141(8): 082203.
Paper No: HT-19-1067
Published Online: July 3, 2019
...Carlos Zing; Shadi Mahjoob Thermal management has a key role in the development of advanced electronic devices to keep the device temperature below a maximum operating temperature. Jet impingement and high conductive porous inserts can provide a high efficiency cooling and temperature control for a...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2019, 141(2): 022201.
Paper No: HT-18-1242
Published Online: December 13, 2018
...Sharad Pachpute; B. Premachandran In this paper, heat transfer and effectiveness of a turbulent slot jet impinging over a heated circular cylinder have been investigated numerically by varying the ratio of jet temperature to the ambient temperature, Θ j = T j /T amp , from 0.7 to 1.2. In all cases...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. July 2015, 137(7): 071501.
Paper No: HT-14-1040
Published Online: July 1, 2015
...-based Reynolds number of 7800) with a pressure drop incurred of only 10.9 kPa. Compared to the single jet impinging on the smooth flat surface, the array of jets on the coated pin–fin enhanced surface increased CHF by a factor of over four at all flow rates. jet impingement jet arrays boiling...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2014, 136(11): 112202.
Paper No: HT-13-1337
Published Online: August 26, 2014
...G. Nasif; R. M. Barron; R. Balachandar A numerical study of a circular oil jet impinging on a flat disk with uniform wall heat flux was carried out using the VOF method. A fully developed turbulent pipe flow profile was employed at the exit of the nozzle. Large jet length-to-nozzle diameter...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. October 2014, 136(10): 101503.
Paper No: HT-14-1039
Published Online: July 29, 2014
... density Subscripts b = base CHF = critical heat flux eff = effective f = fin S = smooth surface t = total References [1] Garimella , S. V. , 2000 , “ Heat Transfer and Flow Fields in Confined Jet Impingement ,” Annu. Rev. Heat Transfer , 11 , pp...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2014, 136(9): 091501.
Paper No: HT-13-1251
Published Online: May 28, 2014
.... (1) . In this study, the factor k is assumed to be a function of all relevant parameters affecting jet impingement CHF. In general, k could be a function of N parameters (2) k = f ( x 1 , x 2 , x 3 , . . . , x N ) The choice of...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2013, 135(11): 111017.
Paper No: HT-12-1376
Published Online: September 23, 2013
... boiling correlation. A new general correlation for jet impingement heat transfer with phase change is presented combining these correlations. Critical heat flux (CHF) data were compared with literature correlations and a new correlation was developed for arrays of boiling jets. jet impingement...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. July 2013, 135(7): 072601.
Paper No: HT-12-1242
Published Online: June 6, 2013
... successive fins can have a substantial effect on the heat transfer performance. lotus-type porous metal metal foam heat transfer jet impingement heat sink Metal foams are of interest for thermal engineering applications such as heat sinks because of their high surface-to-volume ratio and...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2013, 135(5): 052202.
Paper No: HT-11-1491
Published Online: April 12, 2013
... in present experimental study can be summarized as follows: Particulate loading of 2.5% improved averaged heat transfer coefficient 58 times (from 70 times at flow speed of 4.6 m/s to 46 times at flow speed of 15.2 m/s) compared to that of a pure air jet impingement flow. For the presented...
Journal Articles
Article Type: Evaporation, Boiling, and Condensation
J. Heat Transfer. August 2012, 134(8): 081502.
Published Online: June 5, 2012
...Ruander Cardenas; Vinod Narayanan Critical heat flux (CHF) characteristics in submerged jet impingement boiling of water on a heated copper surface are investigated at subatmospheric conditions. Data are reported at a fixed surface-to-nozzle diameter ratio of 23.8 and a fixed surface-to-nozzle...
Journal Articles
Article Type: Jets, Wakes, And Impingment Cooling
J. Heat Transfer. August 2012, 134(8): 082202.
Published Online: May 29, 2012
... the leading and trailing sides. The Coriolis force may have a considerable effect on the developing length of the potential core, affecting the resulting heat transfer on the target surface. 21 06 2011 12 01 2012 29 05 2012 29 05 2012 jet impingement rotation crossflow...
Journal Articles
Article Type: Jets, Wakes, And Impingment Cooling
J. Heat Transfer. August 2012, 134(8): 082201.
Published Online: May 29, 2012
... computations were significantly higher than the experimental values. This is a problem that is typical for the numerical prediction of jet impingement heat transfer by eddy-viscosity models. Its reason lies in the production rate of turbulence kinetic energy, for which these models tend to generate excessive...
Journal Articles
Article Type: Heat Transfer In Nanochannels, Microchannels, And Minichannels
J. Heat Transfer. February 2012, 134(2): 020909.
Published Online: December 19, 2011
...Ruander Cardenas; Vinod Narayanan An experimental study of jet impingement boiling is presented for water under saturated and subcooled conditions. Unique to this study is the documentation of boiling curves of a submerged water jet under subatmospheric conditions. Data are reported at a fixed...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2011, 133(12): 122203.
Published Online: October 7, 2011
...Mohammad O. Hamdan; Emad Elnajjar; Yousef Haik The paper investigates experimentally and numerically the heat transfer augmentation from a semicircular heated surface due to confined slot-jet impingement. For different Reynolds numbers, the average and local Nusselt numbers are calculated by...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2011, 133(12): 122202.
Published Online: October 7, 2011
... found that the crossflow diminishes the peak Nusselt number in the jet impingement region. However, in the wall jet region, the results suggest that the local heat transfer is nearly independent of the crossflow Reynolds number. 22 06 2010 29 06 2011 07 10 2011 flow visualisation...
Journal Articles
Article Type: Review Articles
J. Heat Transfer. November 2011, 133(11): 110801.
Published Online: September 2, 2011
... last few decades, high-heat-flux removal still largely remains as a challenging subject that needs further exploration and study. In this paper, we have reviewed recent developments in several high-heat-flux heat removal techniques, including microchannels, jet impingements, sprays, wettability effects...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. September 2009, 131(9): 094504.
Published Online: June 25, 2009
... on the Stagnation Nusselt Number for a Confined Circular Air Jet Impinging on a Flat Surface ,” Int. J. Heat Mass Transfer 0017-9310 , 49 ( 19–20 ), pp. 3477 – 3486 . 10.1016/j.ijheatmasstransfer.2006.02.055 Zuckerman , N. , and Lior , N. , 2005 , “ Impingement Heat Transfer...