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Keywords: jet impingement
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. October 2022, 144(10): 103801.
Paper No: HT-22-1002
Published Online: July 19, 2022
...Ritwik V. Kulkarni; Lesley M. Wright This paper provides a detailed experimental investigation of heat transfer and pressure loss for leading edge jet impingement using square-edged, racetrack jets. Experiments were carried out over various parameters: jet-to-jet spacings (s/d) of 2, 4, 8; jet...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2022, 144(4): 042303.
Paper No: HT-21-1503
Published Online: February 10, 2022
...@ncsu.edu e-mail:  sekkad@ncsu.edu 27 07 2021 20 12 2021 10 02 2022 jet impingement turbine disk rotating disk pin-fins Heat transfer over rotating surfaces is a prevalent phenomenon in rotating machinery such as a gas turbine, where various rotating components need...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2022, 144(4): 042301.
Paper No: HT-21-1381
Published Online: January 18, 2022
... of T/D j = 4.0, at the Reynolds number of 20,000. First, fluidic features are established both in free exit and with impingement, at varying short target spacing (e.g., H/D j ≤ 4.0). Second, thermal characteristics of the jet impingement are elucidated. Results demonstrate that, due to a skewed...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2022, 144(1): 012601.
Paper No: HT-21-1210
Published Online: November 9, 2021
... was found. Those mixers which do not require any external source of energy for mixing are known as passive-mixers. They find advantage over active-mixers (which require external source of energy for mixing) due to fact that they are energy efficient. Dual vertical opposed jet impingement of different...
Includes: Supplementary data
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): 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...
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. 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...
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
...Matthew J. Rau; Suresh V. Garimella; Ercan M. Dede; Shailesh N. Joshi The overall enhancement in CHF is presented in Fig. 8( b ) relative to the single jet impinging on the baseline smooth flat surface ( q " CHF , SJ , S ) at the same velocity (i.e., volume flow rate...
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
...: Jim A. Liburdy. 24 01 2014 24 06 2014 Confined jet impingement with boiling offers unique and attractive performance characteristics for thermal management of high heat flux components. Two-phase operation of jet impingement has been shown to provide high heat transfer...
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
.... Tao. 20 05 2013 04 04 2014 A critical heat flux (CHF) correlation is developed for jet impingement boiling of a single round jet on a flat circular surface. The correlation is valid for submerged jets as well as for free surface jets with Reynolds numbers (Re) between 4000...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2013, 135(11): 111017.
Paper No: HT-12-1376
Published Online: September 23, 2013
... , “ Spray Cooling Heat Transfer: The State of the Art ,” Int. J. Heat Fluid Flow , 28 ( 4 ), pp. 753 – 767 . 10.1016/j.ijheatfluidflow.2006.09.003 [4] Garimella , S. V. , and Rice , R. A. , 1995 , “ Confined and Submerged Liquid Jet Impingement Heat Transfer ,” ASME J. Heat Transfer...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. July 2013, 135(7): 072601.
Paper No: HT-12-1242
Published Online: June 6, 2013
... and the relative alignment of pores in 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...
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 many device cooling situations, a cooling technique is required not only to provide an enhanced rate of heat transfer, but also to maintain the devices within a narrow range of operating temperatures. In cases where high cooling rates and localized heat dissipation are critical, jet impingement cooling...
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 liquid...
Journal Articles
Article Type: Jets, Wakes, And Impingment Cooling
J. Heat Transfer. August 2012, 134(8): 082201.
Published Online: May 29, 2012
... performance. 04 03 2011 20 01 2012 29 05 2012 29 05 2012 jet impingement impingement cooling impingement array surface ribs experimental numerical CFD TLC Jet impingement systems provide an effective means for the intensification of convective processes due...
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...