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Keywords: convection
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Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. November 2021, 143(11): 114502.
Paper No: HT-21-1024
Published Online: September 8, 2021
...Raoudha Chaabane; Abdelmajid Jemni; Patrick Perré Free convection heat transfer and flow characteristics in an open-ended enclosure occupied with fluid saturated porous media are highlighted in this paper. All numerical investigations are achieved using the mesoscopic approach thermal Lattice...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2021, 143(9): 092601.
Paper No: HT-21-1225
Published Online: July 19, 2021
...Subrat Garnayak; Subhasisa Rath For the very first time, this study attempts to address the heat dissipation from an isothermal ribbed sphere under the action of pure natural convection. Semicircular ribs of different radii are superimposed azimuthally on the outer surface of a sphere. The addition...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. July 2015, 137(7): 072301.
Paper No: HT-13-1601
Published Online: March 24, 2015
...Yousef M. F. EL Hasadi; J. M. Khodadadi Development of the solid–liquid interface, distribution of the particle concentration field, as well as the development of thermosolutal convection during solidification of colloidal suspensions in a differentially heated cavity are investigated...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. December 2014, 136(12): 124501.
Paper No: HT-12-1125
Published Online: September 30, 2014
... studies, may result in much larger errors in estimated piston heat transfer, if the piston underside surface temperatures are poorly known. Figure 2 , which is a graph of convective heat transfer coefficient versus oil flow rate for all conditions tested, including three levels of nozzle...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2014, 136(4): 041706.
Paper No: HT-13-1277
Published Online: February 12, 2014
... February 12, 2014. Assoc. Editor: D. K. Tafti. 03 06 2013 20 11 2013 A new all-time model is developed to predict transient laminar forced convection heat transfer inside a circular tube under arbitrary time-dependent heat flux. Slug flow (SF) condition is assumed for the velocity...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. October 2013, 135(10): 101001.
Paper No: HT-12-1168
Published Online: September 11, 2013
... − EF conj /EF conv y = lateral distance Subscripts conj = conjugate boundary condition conv = convective boundary condition f = fluid s = solid ∞ = free-stream References [1] Kay , J. M. , and Nedderman , R. M. , 1985 , Fluid Mechanics...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2013, 135(5): 052701.
Paper No: HT-12-1134
Published Online: April 11, 2013
... and convective heat transfer modes as well as the advection and diffusion of mass with the chemical kinetics. The volume-averaged equations render the pore-level transport phenomena through effective properties that arise from the averaging process so that the macroscale behavior captures the influence...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. March 2013, 135(3): 032101.
Paper No: HT-11-1443
Published Online: February 8, 2013
... August 15, 2012; published online February 8, 2013. Assoc. Editor: Wei Tong. 14 09 2011 15 08 2012 In the current work, effort has been made to increase the central forced convection zone area and also enhancement of cooling in the other zones by adding surfactant to the water jet...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2013, 135(1): 011003.
Paper No: HT-10-1486
Published Online: December 6, 2012
... with convective heat transfer are solved using RBFs. The use of RBFs allows velocity and temperature variables and their derivatives to be easily established and solved with a general algorithm. To illustrate the application of the technique, natural convection within a square enclosure and forced convection over...
Journal Articles
Article Type: Micro/Nanoscale Heat Transfer
J. Heat Transfer. October 2012, 134(10): 102401.
Published Online: August 7, 2012
... 04 2012 06 08 2012 07 08 2012 convection nanomechanical devices thermal conduction Thermally positioned microscale and nanoscale structures have scientific and commercial applications, including wireless communication systems [( 1 2 )] nanoscale fabrication, [( 3 4 5...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. September 2012, 134(9): 094502.
Published Online: June 29, 2012
... to assess the convection effects, and a criterion for thermal conductivity measurements was obtained for water flowing in a circular tube. The thermal conductivity of water flowing in a circular tube was successfully measured using the 3 ω method, demonstrating the potential of the technique to measure...
Journal Articles
Article Type: Jets, Wakes, And Impingment Cooling
J. Heat Transfer. August 2012, 134(8): 082203.
Published Online: June 8, 2012
... number, and surface-emissivity, on the convective, radiative, and total Nusselt numbers, are analyzed for 100 ≤ Re d ≤ 900, 1 ≤ H ≤ 8, 0.1 ≤ N RF,d ≤ 2, 0.01 ≤ Ri d ≤ 10, and 0.05 ≤ ɛ ≤ 0.85. It was found that the radiation-flow interaction parameter was most influential in affecting the radiative...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. June 2012, 134(6): 064502.
Published Online: May 2, 2012
...M. Bachiri; A. Bouabdallah In this work, we attempt to establish a general analytical approximation of the convection heat transfer from an isothermal wedge surface to fluids for all Prandtl numbers. The flow has been assumed to be laminar and steady state. The governing equations have been written...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2012, 134(4): 042101.
Published Online: February 16, 2012
...P. S. Wei; C. L. Lin; H. J. Liu; T. DebRoy The molten pool shape and thermocapillary convection during melting or welding of metals or alloys are self-consistently predicted from scale analysis. Determination of the molten pool shape and transport variables is crucial due to their close...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. April 2012, 134(4): 044503.
Published Online: February 16, 2012
...T. Hayat; M. Awais; S. Obaidat This paper discusses the mixed convection three-dimensional boundary layer flow of upper-convected Maxwell fluid over a stretching surface. Magnetohydrodynamic (MHD) combined with Soret and Dufour effects are also taken into account. The governing problems are first...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2012, 134(4): 041203.
Published Online: February 15, 2012
...K. N’Wuitcha; M. Banna; S. W. Igo; B. Zeghmati; K. Palm; X. Chesneau This study reports the results on a numerical investigation of the depollution of smokes produced by the incineration of household wastes in a cylindrical furnace. Transfers are described by double-diffusive mixed convection...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2012, 134(4): 042605.
Published Online: February 15, 2012
... Natural Convection ,” Int. J. Heat Mass Transfer , 43 , pp. 2141 – 2154 . 10.1016/S0017-9310(99)00281-1 11 Knoerzer , K. , Regier , M. , and Schubert , H. , 2006 , “ Microwave Heating: A New Approach of Simulation and Validation ,” Chem. Eng. Technol. , 29 ( 7 ), pp. 796 – 801...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2012, 134(4): 042602.
Published Online: February 13, 2012
... conditions for the onset of convection are determined. Greek Symbols α 0 = reference thermal diffusivity (m 2 s −1 ) β = thermal expansion coefficient (K −1 ) γ = inclination angle of the impressed horizontal heat flux with respect to the x ¯ –axis (rad) η...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2012, 134(4): 042603.
Published Online: February 13, 2012
... that this is generally true at higher Reynolds numbers as well. The volume-averaged energy equation in the fluid phase is closed by the thermal dispersion conductivity tensor, the convecting velocity, and the interfacial Nusselt number. Overall, it has been found that many existing correlations for the effective thermal...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2012, 134(4): 042601.
Published Online: January 26, 2012
...R. R. Kairi; P. V. S. N. Murthy In this paper, we investigate the influence of melting on mixed convection heat and mass transfer from vertical flat plate in a non-Newtonian fluid-saturated non-Darcy porous medium including the prominent Soret effect. The wall and the ambient medium are maintained...