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Proc. ASME. IMECE2000, Heat Transfer: Volume 4, 71-83, November 5–10, 2000
Paper No: IMECE2000-1508
...HTD-Vol. 366-4, Proceedings of t h e ASME Heat Transfer Division 2000 Volume 4 ASME 2000 TWO-PHASE FLOW REGIME TRANSITIONS IN MICROCHANNEL TUBES: THE EFFECT OF HYDRAULIC DIAMETER John W. Coleman and Srinivas Garimelia Department of Mechanical Engineering Iowa State University Ames, IA 50011-2161...
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
... 07 07 2010 In this paper, a PCM fluid is compared with pure water as heat transfer fluid. The heat transfer behavior of phase change material fluid (PCM) under laminar flow conditions in circular and rectangular microchannels was studied numerically. As part of the numerical study...
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 527-535, November 11–15, 2007
Paper No: IMECE2007-43938
... 26 05 2009 In this paper the effect of axial heat conduction on the thermal performance of a microchannel heat exchanger with non-adiabatic end walls is studied. The two ends of the wall separating the coolant are assumed to be subjected to boundary condition of the first kind...
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 1657-1666, November 11–15, 2007
Paper No: IMECE2007-43578
... 26 05 2009 For annular liquid-vapor two-phase flow in straight microchannels, effects of gravity are generally small compared to viscous and/or inertia forces. In serpentine evaporator or condenser passages with semicircular return bends, the bend radius may be so small that large...
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 941-949, November 11–15, 2007
Paper No: IMECE2007-41846
... 26 05 2009 In this paper the effect of constant external heat transfer on the performance of a two fluid balanced parallel flow microchannel heat exchanger is analyzed. A mathematical model is developed for predicting the effectiveness-NTU relationship of both the fluids. Theoretical...
Proc. ASME. IMECE2002, Heat Transfer, Volume 7, 527-534, November 17–22, 2002
Paper No: IMECE2002-39555
... 23 05 2008 Recent experimental data dealing with gas-liquid two-phase flow regimes and their transitions in microchannels with circular and near-circular cross-sections are reviewed and compared. It is shown that, for microchannels with hydraulic diameters close to 1 mm...
Proc. ASME. IMECE2004, Heat Transfer, Volume 2, 227-233, November 13–19, 2004
Paper No: IMECE2004-60876
... 31 03 2008 A new type of microchannel heat sink has been developed and evaluated in this study. The device consists of silicon microchannels on whose bottom surfaces multi-walled carbon nanotubes are grown. The objective of the study is to investigate the effect of carbon nanotubes...
Proc. ASME. IMECE2004, Heat Transfer, Volume 1, 661-668, November 13–19, 2004
Paper No: IMECE2004-59161
... comprises an array of parallel microchannels formed within a polypropylene substrate to carry fluid, with the base of the substrate mounted on an aluminium carrier. Substrate depth is 500 micron, and each channel is 60 micron wide by 40 micron deep. Thermoelectric cells (TECs) are bonded to the carrier...
Carlos H. Hidrovo, Fu-Min Wang, Eon Soo Lee, Se´bastien Vigneron, Julie E. Steinbrenner, Jay V. Paidipati, Theresa A. Kramer, John K. Eaton, Kenneth E. Goodson
Proc. ASME. IMECE2004, Fluids Engineering, 205-212, November 13–19, 2004
Paper No: IMECE2004-61401
... 28 03 2008 In this paper we present an overview of the experimental work carried out as part of research geared towards the understanding of two-phase flow in microchannels. The greater scope of the project is to use the knowledge gained towards the development of strategies to improve...
Proc. ASME. IMECE2005, Heat Transfer, Part A, 633-642, November 5–11, 2005
Paper No: IMECE2005-79555
... 05 02 2008 Flow boiling heat transfer in a microchannel heat sink is experimentally investigated. The microchannels considered are 275 μm wide and 636 μm deep, and the experiments are conducted at inlet water temperatures in the range of 66 to 95°C and mass fluxes of 341 to 936 kg/m 2...