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Keywords: Nusselt number
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Proceedings Papers

Proc. ASME. IMECE2021, Volume 11: Heat Transfer and Thermal Engineering, V011T11A039, November 1–5, 2021
Paper No: IMECE2021-69088
... by a slot air jet using ANSYS Fluent commercial software. Initially an experimental validation study is conducted to validate the centerline Nusselt number and to fix numerical settings such as Turbulence model, optimal mesh size and solution strategy. During this study, it is observed that the k...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A001, November 11–14, 2019
Paper No: IMECE2019-10203
... analysis it is observed that the Nusselt number increases for twisted tape as compared to smooth bare tube by 2.2–3.1 times. Again the Nusselt numbers obtained for smooth tube is compared with Dittus-Boelter and Gnielinski correlation and it is observed that the error is within acceptable limit of 10...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A002, November 11–14, 2019
Paper No: IMECE2019-10432
.... Nusselt Number and friction factor of round tube with CTT insert is found to be 1.79-1.94 times and 2.5-3.5 times higher respectively compared to round tube without any insert. Thermal performance factor chosen as performance evaluation criteria keeping pumping power constant. Performance of tube...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A012, November 11–14, 2019
Paper No: IMECE2019-10154
... in the commercial CFD software package ANSYS FLUENT 18.1. Special attention is paid to the heat transfer in the impingement region through evaluation of Nusselt number in the stagnation point. Different dimensionless nozzle-to-plate distances are considered in this work 14 to = 40), and two different...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A047, November 11–14, 2019
Paper No: IMECE2019-11624
... pressure difference, two inter-connectors were made on the middle wall. The height and width of both inter-connectors were the same as the mini-channel. Bottom surface temperature, Nusselt number thermal resistance, and friction factor were calculated to address the effect of the inter-connectors...
Proceedings Papers

Proc. ASME. IMECE2013, Volume 8B: Heat Transfer and Thermal Engineering, V08BT09A055, November 15–21, 2013
Paper No: IMECE2013-66380
... with the experimental data of natural and forced convection, reported reasonably good agreements between experimental and numerical results. Keywords: Ionic Liquids (ILs); Nusselt number; Rayleigh number; Heat transfer coefficient; Raynolds number. 1. INTRODUCTION Solar energy has already been proven to be a reliable...
Proceedings Papers

Proc. ASME. IMECE2012, Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D, 1141-1148, November 9–15, 2012
Paper No: IMECE2012-89194
... behaviour. But increasing the extensibility parameter L 2 leads to a decrease in Nusselt number. Viscoelastic Graetz problem FENE-P model heat transfer enhancement Nusselt number 1 Copyright © 2012 by ASME GRAETZ PROBLEM USING FENE-P FLUIDS WITHOUT VISCOUS DISSIPATION Filali Abdelkader...
Proceedings Papers

Proc. ASME. IMECE2012, Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D, 2825-2831, November 9–15, 2012
Paper No: IMECE2012-88297
... Heat Transfer Coefficient Nusselt number Rayleigh number 1 Copyright © 2012 by ASME Natural Convection in Rectangular Cavity with Nanoparticle Enhanced Ionic Liquids (NEILs) Titan C. Paul, A.K.M. M. Morshed, Elise B. Fox1, Ann E. Visser1, Nicholas J. Bridges1, Jamil A. Khan Department...
Proceedings Papers

Proc. ASME. IMECE2009, Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 1005-1010, November 13–19, 2009
Paper No: IMECE2009-12529
... can be clearly seen in its performance, which is discussed in the paper. The results are obtained by analytical analysis, and some illustrations are dealt with in the paper, which clearly determine the importance of this factor of optimal fin length. KEY WORDS Nusselt number, Reynolds number, Optimum...
Proceedings Papers

Proc. ASME. IMECE2009, Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 1305-1314, November 13–19, 2009
Paper No: IMECE2009-10787
.... Effects of phase change on the heat transfer were determined using a specific heat model, which includes the effect of latent heat of fusion of the phase change material. The fully developed Nusselt number was found to be higher for H1 than for H2 and T boundary conditions for all the geometries...
Proceedings Papers

Proc. ASME. IMECE2008, Volume 10: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B, and C, 685-690, October 31–November 6, 2008
Paper No: IMECE2008-68428
... field, friction coefficient and Nusselt number in the pulse tube. Harmonic approximation technique is employed to derive an analytical solution. In this respect, mass, momentum and energy balance equations as well as the equation of state for ideal gas are transformed by implementing the harmonic...
Proceedings Papers

Proc. ASME. IMECE2008, Volume 8: Energy Systems: Analysis, Thermodynamics and Sustainability; Sustainable Products and Processes, 139-146, October 31–November 6, 2008
Paper No: IMECE2008-68912
... convergence. Correlation for Nusselt number is presented and suggestions for future experimentation are presented in order to improve the accuracy of the regression. Nanofluids aluminum oxide Convective heat transfer process Nusselt Number Microchannel Millichannel Bootstrap Statistical Method...
Proceedings Papers

Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 453-460, November 11–15, 2007
Paper No: IMECE2007-43210
... differential mass, momentum and energy equations a finite volume code based on Pantenkar’s simpler method is developed and utilized. The results are presented in form of streamlines, isotherms as well as Nusselt number for Rayleigh number ranging from 10 4 up to 10 7 . It is shown that the mean Nusselt number...
Proceedings Papers

Proc. ASME. IMECE2007, Volume 6: Energy Systems: Analysis, Thermodynamics and Sustainability, 31-37, November 11–15, 2007
Paper No: IMECE2007-43525
..., the effect of some factors like volume fractions, Reynolds number and Peclet number are evaluated. Furthermore, an experimental model for Nusselt number is presented in order to show the enhancement of the convective heat transfer compared with a single-phase model in milli channel. Suggestions and direction...
Proceedings Papers

Proc. ASME. IMECE2003, Fluids Engineering, 721-744, November 15–21, 2003
Paper No: IMECE2003-43528
.... India. Washington, D.C., November 15 21, 2003 IMECE2003-43528 Copyright © 2003 by ASME Key Words Non-Isothermal Stretching Sheet, Waiters' Liquid B, Porous Medium, Grashof Number, Skin Friction Parameter and Nusselt Number, Nomenclature * Corresponding Author: msabel2001@yahoo.co.uk e-marl: U, V kl k2 P...
Proceedings Papers

Proc. ASME. IMECE2004, Heat Transfer, Volume 2, 241-248, November 13–19, 2004
Paper No: IMECE2004-61442
... = 0.74–3.40 and Re = 63–1383. In the study, the heat transfer behavior on the extended surfaces with confined slot jet impingement such as the temperature distribution, local and average Nusselt numbers on the extended surfaces has been systematically explored. The results manifest that the effect...
Proceedings Papers

Proc. ASME. IMECE2004, Electronic and Photonic Packaging, Electrical Systems Design and Photonics, and Nanotechnology, 571-578, November 13–19, 2004
Paper No: IMECE2004-62059
... data collected during the experiment were used to study the variation of Nusselt number with Rayleigh number. Nanofluids heat transfer buoyancy experiments natural convection Nusselt number Rayleigh number I i h r . r hence increasing the re-circulatory motion of the nanofluid...
Proceedings Papers

Proc. ASME. IMECE2004, Electronic and Photonic Packaging, Electrical Systems Design and Photonics, and Nanotechnology, 15-22, November 13–19, 2004
Paper No: IMECE2004-59485
... with different surface treatment conditions. From the results, an axisymmetric bowl-shaped Nu profile is achieved, and the highest heat transfer performance occurs at the location near the rim of the heated surfaces for various heat spreaders. The local Nusselt number for a specified convective heat flux...
Proceedings Papers

Proc. ASME. IMECE2005, Heat Transfer, Part B, 425-432, November 5–11, 2005
Paper No: IMECE2005-79364
.... Nanofluid volume fraction buoyancy flow experiment Nusselt number Nnanna, A. G. A., T. Fistrovich, J. Malinski, and S. U. S. Choi, 2004, “Thermal Transport Phenomena in Buoyancy-Driven Nanofluids, Part I,” Proceedings of the ASME Int. Mechanical Engineering Congress and Exposition, No IMECE 2004...
Proceedings Papers

Proc. ASME. IMECE2005, Electronic and Photonic Packaging, Electrical Systems Design and Photonics, and Nanotechnology, 517-524, November 5–11, 2005
Paper No: IMECE2005-81066
... the thermal performance. Furthermore, the comparisons between the predictions by using the quadratic Response Surface Methodology (RSM) and the experimental data are made. The maximum deviations for transient stagnation Nusselt number and transient average Nusselt number for the cases of stationary MCM disk...