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Keywords: phase change
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Proceedings Papers

Proc. ASME. IMECE2021, Volume 8B: Energy, V08BT08A050, November 1–5, 2021
Paper No: IMECE2021-72672
... storage (LHTES) for single-layered and multi-layered phase change materials (MLPCMs) using molten salt, FLiNaK, a eutectic mixture of 46.5%LiF, 11.5%NaF, and 42% KF as the heat transfer fluid. The heat transfer module for the computational domain is analyzed using the Dispersion-Concentric model which...
Proceedings Papers

Proc. ASME. IMECE2001, Heat Transfer: Volume 7 — Heat Transfer in Electronic Equipment, Student Research, and Visualization Techniques, 283-290, November 11–16, 2001
Paper No: IMECE2001/HTD-24405
... computer processor units, power modules, etc. increase beyond T|: efficiency the capabilities of air-cooling, interest has moved to several alternatives such as thermoelectric coolers, impinging jets and Subscript heat exchangers with phase change. Included among these, the f : fin capillary pumped loop...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 11: Heat Transfer and Thermal Engineering, V011T11A012, November 16–19, 2020
Paper No: IMECE2020-23397
... are considered in the asymptotic analysis. The results are compared with numerical method. Further, effects of Biot numbers are also investigated regarding interface motion and temperature profile. phase change two-phase Stefan problem outward solidification asymptotic analysis analytical solution...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 11: Heat Transfer and Thermal Engineering, V011T11A005, November 16–19, 2020
Paper No: IMECE2020-23729
...INVESTIGATION ON THERMAL PERFORMANCE OF A SIMPLE ELECTRONIC BOARD USING DIFFERENT PHASE CHANGE MATERIAL PACKAGING TYPES Emir Özkökdemir1 Roketsan Inc. Ankara, Turkey Yener Usul2 Roketsan Inc. Ankara, Turkey ABSTRACT Phase change materials (PCMs) are some kind of energy storage systems which have...
Proceedings Papers

Proc. ASME. IMECE2012, Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D, 2833-2840, November 9–15, 2012
Paper No: IMECE2012-88302
... micro/mini heat pipes and their wick structures. In this paper, we focus our research investigations on high heat flux phase change capacity of the silicon wick structures. The experimental wick sample is composed of silicon pillars 320μm in height and 30 ∼ 100μm in diameter. In a stainless steel test...
Proceedings Papers

Proc. ASME. IMECE2011, Volume 10: Heat and Mass Transport Processes, Parts A and B, 545-549, November 11–17, 2011
Paper No: IMECE2011-63632
... pipe (OHP), phase change, heat transfer, oscillating motion INTRODUCTION Extensive experimental investigations [1-6] and theoretical analysis [7-15] have been conducted, and show that the heat transport capability in an OHP depends on working fluid [2-4, 10], tilt angle [5-7], dimension [2,6,9,10,13...
Proceedings Papers

Proc. ASME. IMECE2009, Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 1611-1620, November 13–19, 2009
Paper No: IMECE2009-11161
... instability on various domain width LX = 2 d , 3 d , 4 d and 6 d at yo = 0.0425 d and T = 2K. The average bubble spacing for all domain widths is found to be less than 2 c indicating that the Rayleigh-Taylor instability is dominant. Keywords: Level Set Method, Phase Change,Multi-mode, Film Boiling, Initial...
Proceedings Papers

Proc. ASME. IMECE2002, Heat Transfer, Volume 7, 157-163, November 17–22, 2002
Paper No: IMECE2002-33729
... and undergoes phase change. For practical implementation of liquid impingement cooled electronic devices, a closed loop system with a recovery scheme for the vapor and the excess liquid is developed. Boiling of the thin liquid film on the base plate surface is observed at a superheat of 10°C, measured...
Proceedings Papers

Proc. ASME. IMECE2002, Adaptive Structures and Materials Systems, 91-96, November 17–22, 2002
Paper No: IMECE2002-33995
... piezoelectric coupling coefficients ( d 31 and d 32 ). ferroelectric piezoelectric single crystal PZN phase change Proceedings of IMECE' 02 2002 ASME INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION New Orleans, Louisiana, November 17–22, 2002 LE A d o itu 33 n domain states...
Proceedings Papers

Proc. ASME. IMECE2003, Materials, 23-32, November 15–21, 2003
Paper No: IMECE2003-42611
... 13 05 2008 Modelling of solidification with transport of mass is of paramount importance for the heat transfer community. Phase change problems have received considerable research attention over the last two decades. Numerical methods for fixed and moving grids have been developed...
Proceedings Papers

Proc. ASME. IMECE2004, Heat Transfer, Volume 1, 323-331, November 13–19, 2004
Paper No: IMECE2004-62067
... USA IMECE2004-62067The computation of the temperature field and the history of the phase change front is one of the more challenging problems in heat transfer. Over the years a plethora of papers describing special techniques has appeared. These techniques can be classified as: 1 Front Tracking...
Proceedings Papers

Proc. ASME. IMECE2004, Heat Transfer, Volume 3, 249-258, November 13–19, 2004
Paper No: IMECE2004-59369
... 31 03 2008 The sensitivity coefficients for analyzing the interstitial properties during phase change in porous media are presented. Computation of the sensitivity coefficients is the main objective of this study. Experimentally measured temperature data provide an estimate...