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Keywords: Heat Transfer Coefficient
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Proceedings Papers

Proc. ASME. IMECE2021, Volume 11: Heat Transfer and Thermal Engineering, V011T11A031, November 1–5, 2021
Paper No: IMECE2021-72348
... of pores compared to no pores are carried out and shown with pictures of test surfaces captured real time during the experiment. Performance of the proposed surface is compared with that of the other surfaces based on the condensation rate and condensation heat transfer coefficient. Experimental results...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 11: Heat Transfer and Thermal Engineering, V011T11A033, November 1–5, 2021
Paper No: IMECE2021-73455
.... Minichannel-1 and Minichannel-2 have a square cross-section with side lengths 1 mm and 2 mm, respectively. The thermal performance of the boiling surface is characterized by the critical heat flux and heat transfer coefficient. The critical heat flux (CHF) is increased by 36–45 % for minichannel-2 and 15–17...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 11: Heat Transfer and Thermal Engineering, V011T11A019, November 1–5, 2021
Paper No: IMECE2021-69545
... underneath the moist paper is monitored during the drying process. The sample surface temperature is monitored through an Infrared (IR) camera. Moreover, the convection heat transfer coefficients are estimated, and the sample s initial moisture content is studied as a function of drying time...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 11: Heat Transfer and Thermal Engineering, V011T11A013, November 16–19, 2020
Paper No: IMECE2020-23432
... under the same operational condition of applied heat flux ranged from 100 to 1000 kW/m2 and their corresponding heat transfer coefficient was obtained numerically. Obtained experimental data of other authors from the open literature result is in close agreement with the simulated data, thus confirming...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A035, November 11–14, 2019
Paper No: IMECE2019-11591
... foams. Of the different pore density and foam thickness combinations, a 12.70 mm/20 ppi combination was found to have the highest thermal hydraulic performance. Keywords: Jet impingement; metal foam; heat transfer coefficient 1. INTRODUCTION The development of efficient heat exchangers is imperative...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A046, November 11–14, 2019
Paper No: IMECE2019-10045
... on the microchannel wall to provide heating power and to measure local surface temperature. Flow patterns for the near-critical condition of CO2 were visualized, and local heat transfer coefficient (HTC) of 4.5, 6.1, and 150 kW/m2K were measured, for gas supercritical and liquid cases, respectively. It was observed...
Proceedings Papers

Proc. ASME. IMECE2013, Volume 8C: Heat Transfer and Thermal Engineering, V08CT09A067, November 15–21, 2013
Paper No: IMECE2013-64624
... orthotropic thermal parameters, heat-loss effect and finite geometry of the sample into account. modified step-wise transient method anisotropic materials orthotropic thermal conductivity heat transfer coefficient sample dimension 1 Copyright © 2013 by ASME A Modified Step-wise Transient Method...
Proceedings Papers

Proc. ASME. IMECE2013, Volume 8B: Heat Transfer and Thermal Engineering, V08BT09A068, November 15–21, 2013
Paper No: IMECE2013-63676
... Heat transfer coefficients in a set of three symmetrically heated narrow gap channels arranged in line are reported at watt densities of 1 kW/cm 3 . This experimental configuration emulates an electronics system wherein power dissipation can vary across an array of processors, memory chips...
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. IMECE2011, Volume 10: Heat and Mass Transport Processes, Parts A and B, 633-640, November 11–17, 2011
Paper No: IMECE2011-64921
...) of hybrid structured surfaces is about 15% higher than that of the surfaces with nanowires only and micro-pillars only. More importantly, the superheat at CHF for the hybrid structured surface is much smaller than that of the micro- pillared surface (about 35 and a maximum heat transfer coefficient (HTC...
Proceedings Papers

Proc. ASME. IMECE2009, Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 1867-1878, November 13–19, 2009
Paper No: IMECE2009-10484
... ducts. Graetz Flow Plug Flow Slug Flow Heat Transfer Coefficient Laminar Flow Heat Exchangers Heat Sinks Porous Media Modelling IMECE2009-10484 Orlando, FL November 13-19, 2009 SIMPLE MODELS FOR LAMINAR THERMALLY DEVELOPING SLUG FLOW IN NON-CIRCULAR DUCTS AND CHANNELS Y.S. Muzychka...
Proceedings Papers

Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 1771-1777, November 11–15, 2007
Paper No: IMECE2007-41954
.... Experiments have shown that MPCM’s increase the overall thermal capacity of thermal systems by taking advantage of the phase change material’s latent heat of fusion. However, research has also shown that the overall heat transfer coefficient is diminished due to a reduction in the effective thermal...
Proceedings Papers

Proc. ASME. IMECE2002, Process Industries, 29-35, November 17–22, 2002
Paper No: IMECE2002-39651
.... enhancement corrugated duct partial corrugation CFD heat transfer coefficient pressure drop Proceedings of IMECE 02 2002 ASME International Mechanical Engineering Congress & Exposition New Orleans, Louisiana, November 17-22, 2002 D Su e of w is discussed briefly. Keywords CFD, heat INTRODU For has...
Proceedings Papers

Proc. ASME. IMECE2002, Heat Transfer, Volume 3, 325-332, November 17–22, 2002
Paper No: IMECE2002-39313
... procedures are needed. The relative sizing of each of the components of the plant is crucial for cycle performance. For this reason, the knowledge of the new fluids heat transfer characteristics in condensers and evaporators is required. The local heat transfer coefficients and pressure drop of pure R22...
Proceedings Papers

Proc. ASME. IMECE2003, Heat Transfer, Volume 1, 47-54, November 15–21, 2003
Paper No: IMECE2003-41908
...-based correlation that is capable of predicting heat transfer on an inclined surface subject to impinging airflow. Impinging jets inclined surfaces heat transfer coefficient Proceedings of IMECE 03 2003 ASME International Mechanical Engineering Congress & Exposition Washington, D.C., November...
Proceedings Papers

Proc. ASME. IMECE2005, Heat Transfer, Part B, 227-231, November 5–11, 2005
Paper No: IMECE2005-79823
... 31 01 2008 The effects of the heat flux and liquid temperatures during spray cooling heat transfer were experimentally studied for non-boiling water spray cooling. The experiments show that the heat flux strongly affects the heat transfer coefficient, especially for high temperature...
Proceedings Papers

Proc. ASME. IMECE2005, Heat Transfer, Part B, 233-238, November 5–11, 2005
Paper No: IMECE2005-79824
... 31 01 2008 The paper presented two heat transfer coefficients: apparent heat transfer coefficient and real heat transfer coefficient. Apparent HTC is overall HTC, which is affected by many factors, such as liquid heat dissipation; on the other hand, real HTC is the HTC between heater...