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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
... September 30, 2014. Assoc. Editor: Alfonso Ortega. 22 03 2012 24 03 2014 Fig. 3 Convective heat transfer correlations for the undercrown of a piston undergoing oil-jet cooling (8) Q · = A pu h pu ( T pu - T o ) = A ref...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2014, 136(4): 041706.
Paper No: HT-13-1277
Published Online: February 12, 2014
... 12, 2014. Assoc. Editor: D. K. Tafti. 03 06 2013 20 11 2013 convection dynamic systems transient analytical optimal frequency Study on the transient forced-convective tube flow was begun by investigating the thermal response of the tube flow following a step change...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. October 2013, 135(10): 101001.
Paper No: HT-12-1168
Published Online: September 11, 2013
... distance from inlet x R = reattachment distance x max = maximum Nusselt number location X = 1 − EF conj /EF conv y = lateral distance Subscripts conj = conjugate boundary condition conv = convective boundary condition f = fluid s = solid...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2013, 135(5): 052701.
Paper No: HT-12-1134
Published Online: April 11, 2013
... of optical thickness on the temperature distribution and thus global solar-to-chemical energy conversion. solar partial redox chemistry kinetics local thermal nonequilibrium conduction convection radiation participating media numerical Cerium dioxide (ceria) has been identified...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. March 2013, 135(3): 032101.
Paper No: HT-11-1443
Published Online: February 8, 2013
... strip mill of a steel plant. The current heat transfer analysis shows that surfactant added water jet produces higher heat flux than the pure water jet due to the higher forced convection cooling area. Dissolved surfactant increases the transition boiling heat flux, nucleate boiling heat flux...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2013, 135(1): 011003.
Paper No: HT-10-1486
Published Online: December 6, 2012
...Darrell W. Pepper; Xiuling Wang; D. B. Carrington (31) p = 0 Figure 9 shows the configuration for forced convection over the 2D backward facing step. A constant heat flux is introduced into the upper and lower channel walls immediately downstream of the step. The purpose...
Journal Articles
Article Type: Micro/Nanoscale Heat Transfer
J. Heat Transfer. October 2012, 134(10): 102401.
Published Online: August 7, 2012
... pressures, the convective heat transfer coefficient is a function of pressure, as expected from free-molecular theory. As the pressure passes 40 kPa, the heat transfer coefficient goes to a constant value of 1250 W/m 2 K [( 21 )]. This suggests that a continuum condition has been reached. In order...
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. 15 03 2011 12 03 2012 27 06 2012 29 06 2012 convection liquid thermal conductivity measurement thermal wave three omega method...
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): 042605.
Published Online: February 15, 2012
... of a 1 and a 2 . Velocity field within 2F2C-bed: Effect of operating frequency ( a ) in case 1.5 GHz and ( b ) in case 5.8 GHz ( P = 500 W and t = 60 s ) 05 01 2011 30 09 2011 15 02 2012 15 02 2012 convection finite...
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): 042602.
Published Online: February 13, 2012
... conditions for the onset of convection are determined. 14 06 2011 29 08 2011 13 02 2012 13 02 2012 Greek Symbols α 0 = reference thermal diffusivity (m 2 s −1 ) β = thermal expansion coefficient (K −1 ) γ = inclination angle of the impressed horizontal...
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...