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Keywords: convection
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Proceedings Papers

Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T01A003, June 16–18, 2021
Paper No: HT2021-61670
... problem in rectangular W Overall width in the z direction (m) coordinates. The general solution is based on the principle that the three primary types of boundary conditions W Dimensionless overall width in the z direction (W/L) (prescribed temperature, prescribed heat flux, and convective) can all...
Proceedings Papers

Proc. ASME. HT2020, ASME 2020 Heat Transfer Summer Conference, V001T11A001, July 13–15, 2020
Paper No: HT2020-8934
...A NUMERICAL STUDY OF FORCED CONVECTIVE HEAT TRANSFER CHARACTERISTICS OF SUPERCRITICAL FLUID IN A HORIZONTAL CIRCULAR-PIPE Alaba Bamido1, V. K. Dhir 1,2,3, V. Prasad4, Debjyoti Banerjee1* 1Department of Mechanical Engineering (MEEN), Texas A&M University (TAMU), College Station, Texas, USA...
Proceedings Papers

Proc. ASME. HT2005, Heat Transfer: Volume 3, 169-178, July 17–22, 2005
Paper No: HT2005-72535
... 03 04 2009 In this paper, a numerical study of the convection effect on polycrystalline grain growth is performed. The coupled two-dimensional polycrystalline phase field model, energy equation and Navier-Stokes equations are solved, which is based on the discontinuous Galerkin finite...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 1, 541-552, July 11–15, 2004
Paper No: HT-FED2004-56750
... 03 03 2009 The present research work was carried to represent a numerical study and experimental investigation of laminar combined free - and - forced convection in the entry region of a horizontal constant wall temperature with simultaneous development of fluid velocity...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 2, Parts A and B, 413-421, July 11–15, 2004
Paper No: HT-FED2004-56177
... INTRODUCTION Modification of flow and heat transfer in a rectangular cell by vertical or horizontal plate fins is of great interest because introduction of thin fins is one way to control heat transfer in various engineering applications. Laminar natural convection in differentially heated cavities...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 2, Parts A and B, 557-566, July 11–15, 2004
Paper No: HT-FED2004-56266
... direction. The length of the fin varies sinusoidally with its mean length and amplitude equal to 10 and 5 percent of the side of the cavity, respectively. Two Reynolds numbers of 100 and 1000 with a Pr = 1 fluid were considered. For a given convection time scale (tconv), fin s oscillation periods were...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 3, 1085-1097, July 11–15, 2004
Paper No: HT-FED2004-56734
... 03 03 2009 The heat balance integral method is used to solve one-dimensional phase-change problem in a finite slab with time-dependent convective boundary condition, [T ∞,1 (t)], applied at the left face. The temperature, T ∞,1 (t), decreases linearly with time; the other face...
Proceedings Papers

Proc. ASME. HT2003, Heat Transfer: Volume 1, 487-494, July 21–23, 2003
Paper No: HT2003-47379
... 18 12 2008 The fundamental understanding of the transition from laminar to turbulent convection in porous media is far from being conclusive. In isothermal flow in porous media no experiments identifying the three dimensional nature of a transition from the Darcy regime, via an inertia...
Proceedings Papers

Proc. ASME. HT2003, Heat Transfer: Volume 1, 495-500, July 21–23, 2003
Paper No: HT2003-47380
... 18 12 2008 The linear stability of centrifugally induced convection in rotating porous layers suggests a wide range of possible convective solutions. While the linear solutions indicate possible convective regimes and flow details, it is the non-linear effect that eventually...
Proceedings Papers

Proc. ASME. HT2003, Heat Transfer: Volume 1, 527-531, July 21–23, 2003
Paper No: HT2003-47401
... 18 12 2008 In this work a physical model of the natural convection heat transfer mechanism, molecular-quantum in nature, is proposed. On the surface of the solid there are a lot of chemical defects (atoms of different chemical elements) and geometrical ones (steps, kinks, terraces...
Proceedings Papers

Proc. ASME. HT2003, Heat Transfer: Volume 1, 479-485, July 21–23, 2003
Paper No: HT2003-47378
... conditions, governing the heat transfer process, into an initial value (or boundary value) problem. While the applicability of the method to the problem of heat convection in a fluid layer heated from below was demonstrated by Vadasz [3,4], its application to the corresponding problem in porous media...
Proceedings Papers

Proc. ASME. HT2003, Heat Transfer: Volume 2, 701-706, July 21–23, 2003
Paper No: HT2003-47530
... of esearch work. ords: Foundry, Solidifying flow, Finite mes, Convection, Semi-Implicit Scheme. environment norms. One can divide the process, of pieces manufacture from a mould, in three stages: the first stage consists to heat the pure metal then until its liquid phase, to transport it until a mould...