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Keywords: Prandtl number
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2020, 142(2): 022601.
Paper No: HT-19-1016
Published Online: January 6, 2020
...Omprakash S. Bharti; Devesh Rajan; Arun K. Saha; Malay K. Das The present research proposes an inverse natural convection algorithm for simultaneous estimation of correct values of Prandtl number (Pr) and Rayleigh number (Ra). The inverse problem is formulated as the minimization of appropriate...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2019, 141(12): 121702.
Paper No: HT-19-1180
Published Online: October 8, 2019
...Jonathan K. Lai; Giacomo Busco; Elia Merzari; Yassin A. Hassan A direct numerical simulation (DNS) of bare rod bundles with a low pitch-to-diameter ratio is performed with heat transfer at different Prandtl numbers. Turbulence statistics for temperature and velocity as well as the turbulent budgets...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2019, 141(4): 041701.
Paper No: HT-18-1592
Published Online: February 25, 2019
...P. Mishra; S. A. Patel; M. Trivedi; R. P. Chhabra Forced convection heat transfer is investigated from a thin disk in power-law fluids over wide range of conditions such as: Reynolds number, 1 ≤ Re ≤ 100, Prandtl number, 1 ≤ Pr ≤ 100, power-law index, 0.4 ≤ n ≤ 1.8, and disk thickness to diameter...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2012, 134(12): 122504.
Published Online: December 8, 2012
... to constant wall heat flux (CHWF) are studied numerically. To complement the simulations, a scaling analysis is also performed to elucidate the anticipated effects of Rayleigh number (Ra), Prandtl number (Pr) and power-law index (n) on the Nusselt number. The effects of n in the range 0.6 ≤ n ≤ 1.8...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2012, 134(4): 041701.
Published Online: January 26, 2012
...Koji Matsubara; Atsushi Sakurai; Takahiro Miura; Takuya Kawabata The near-wall turbulent heat transport of the three orthogonal directions was directly solved for the Prandtl numbers ranging from 0.025 to 5.0 to validate the algebraic models of the turbulent heat flux. Two kinds of thermal...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. November 2011, 133(11): 112502.
Published Online: September 19, 2011
...Eiyad Abu-Nada Dissipative particle dynamics with energy conservation (eDPD) was used to study natural convection in liquid domain over a wide range of Rayleigh Numbers. The problem selected for this study was the Rayleigh–Bénard convection problem. The Prandtl number used resembles water where...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. November 2011, 133(11): 112501.
Published Online: August 31, 2011
..., velocity, and transitional time of the thermal boundary layer adjacent to an evenly heated flat plate do not provide the good prediction of the Prandtl number dependency of the flow. Therefore, a modification has been performed for both sudden [( 21 ), 22 ] and ramp heating [( 23 )] boundary conditions...