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Keywords: Two-Phase
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2019, 141(4): 042901.
Paper No: HT-18-1062
Published Online: February 27, 2019
...S. R. Darr; J. W. Hartwig; J. Dong; H. Wang; A. K. Majumdar; A. C. LeClair; J. N. Chung Recently, two-phase cryogenic flow boiling data in liquid nitrogen (LN 2 ) and liquid hydrogen (LH 2 ) were compared to the most popular two-phase correlations, as well as correlations used in two of the most...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. October 2013, 135(10): 101701.
Paper No: HT-11-1571
Published Online: August 19, 2013
... achieved up to 1 ml/min, although the fabrication method was not well-suited to very small-scale designs. The present work extends the aforementioned work by Pearson and Seyed-Yagoobi [ 19 ] by incorporating heat transfer. A two-phase loop is fabricated, featuring both an adiabatic conduction pump...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. May 2012, 134(5): 051017.
Published Online: April 13, 2012
... is devoted to thermoelectric micro-coolers and two-phase microgap coolers. The advantages and disadvantages of these on-chip cooling solutions for high heat flux hot spots are evaluated and compared. 20 07 2010 02 02 2011 11 04 2012 13 04 2012 hot spot electronics cooling...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2011, 133(10): 102901.
Published Online: August 15, 2011
...Kyosung Choo; Sung Jin Kim In this study, heat transfer and fluid flow characteristics of nonboiling two-phase flow in microchannels were experimentally investigated. The effects of channel diameter (140, 222, 334, and 506 μ m) on the Nusselt number and the pressure drop were considered. Air...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. August 2011, 133(8): 081501.
Published Online: April 26, 2011
... deviation in outer wall temperatures. 17 05 2010 12 02 2011 26 04 2011 26 04 2011 boiling drying heat transfer microchannel flow two-phase flow microchannels two-phase boiling heat transfer dryout A micro-/minichannel heat sink with flow boiling has emerged...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. March 2011, 133(3): 031006.
Published Online: November 15, 2010
... to increase tool life without the disadvantages associated with external cryogenic cooling methods. 25 06 2009 12 01 2010 15 11 2010 15 11 2010 coolants cooling heat exchangers lathes lubricants machining microchannel flow turning (machining) heat transfer two-phase...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2010, 132(4): 041009.
Published Online: February 19, 2010
..., and implications on the through-silicon-via scaling and electrical interconnect congestion are discussed. Also, the thermal and hydraulic performance of several two-phase refrigerants is discussed in comparison with single-phase cooling. The results show that the large internal pressure and the pumping pressure...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2010, 132(4): 041004.
Published Online: February 18, 2010
... are established, which predict the existing data well over a wide range of channel sizes, fluids, and operational conditions. Ribatski , G. , Wojtana , L. , and Thome , J. R. , 2006 , “ An Analysis of Experimental Data and Prediction Methods for Two-Phase Frictional Pressure Drop and Flow...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. March 2010, 132(3): 031503.
Published Online: January 7, 2010
... to allow heating and simultaneous visualization. Flow patterns have been observed along the heated length with the aid of high-speed complementary metal oxide semiconductor (CMOS) digital camera. From the flow boiling visualization, seven distinct two-phase flow patterns have been observed: isolated bubbly...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2009, 131(10): 101014.
Published Online: August 4, 2009
...M. M. Awad; S. D. Butt A simple semitheoretical method for calculating the two-phase frictional pressure gradient in porous media using asymptotic analysis is presented. The two-phase frictional pressure gradient is expressed in terms of the asymptotic single-phase frictional pressure gradients...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. July 2009, 131(7): 071401.
Published Online: May 5, 2009
... hysteresis and thermal history of the heater. 01 04 2008 15 12 2008 05 05 2009 ammonia cooling hysteresis indentation sprays surface roughness heat transfer thermal management electronics cooling two-phase enhanced surfaces hysteresis In light of cooling...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. February 2009, 131(2): 022901.
Published Online: January 5, 2009
...Dipankar N. Basu; Souvik Bhattacharyya; P. K. Das A model to predict the steady-state behavior of a rectangular two-phase natural circulation loop has been proposed. The analysis employs a one-dimensional two-fluid model to identify various system parameters, with particular emphasis...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. February 2009, 131(2): 021501.
Published Online: December 11, 2008
... temperature, due to the loss of two-phase characteristics, e.g., density, viscosity, and velocity differences between liquid and vapor phases, the heat transfer coefficients were suppressed for both smooth tube (annular flow) and microfin tube. However, at the wavy flow regime, heat transfer coefficients...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. November 2008, 130(11): 111001.
Published Online: September 3, 2008
.... The analyses showed that the frictional pressure drop characteristics of vertical two-phase flow were much different from that of the horizontal two-phase flow. The microfin tube can be considered as “very rough tube” having the roughness of “fin height.” The data were compared with several correlations...
Topics: Pressure drop
Journal Articles
Article Type: Research Papers
J. Heat Transfer. November 2007, 129(11): 1576–1583.
Published Online: February 5, 2007
... the performance of a two-phase (liquid-vapor) breadboard thermal control loop consisting of an EHD conduction pump, condenser, preheater, evaporator, transport lines, and reservoir (accumulator). This study is performed to address the feasibility of the EHD two-phase loop for thermal control of a laser equipment...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2006, 128(4): 389–396.
Published Online: December 2, 2005
.... , and Pogrebnyak , E. , 2003 , “ Convective Boiling in Parallel Microchannels ,” First International Conference on Microchannels and Minichannels , ASME, Rochester , NY, April 24–25, pp. 59 – 67 . Peles , Y. , 2003 , “ Two-Phase Flow in Microchannels–Instabilities Issues and Flow Regime Mapping...
Journal Articles
Article Type: Technical Papers
J. Heat Transfer. November 2005, 127(11): 1245–1259.
Published Online: June 20, 2005
... flow through porous media two-phase flow heat transfer partial differential equations finite volume methods channel flow mass transfer charge exchange fuel cell two-phase liquid water microchannel downscaling heat transfer Thermodynamic optimization of finite-size components...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. February 2005, 127(2): 149–158.
Published Online: March 15, 2005
... Water Flow Boiling Transition and the L/D Effect on CHF for a Horizontal Uniformly Heated Tube ,” Fusion Technol. , 18 , pp. 317 – 324 . Achilli, A., Cattadori, G., and Gaspari, G. P., 1992, “Subcooled Burnout in Uniformly and Nonuniformly Heated Tubes,” European two-phase flow group meeting...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. November 2005, 127(11): 1280–1284.
Published Online: March 15, 2005
...-dimensional, two-fluid, distributed parameter system mean void fraction (SMVF) model of the time-dependent distribution of liquid and vapor within the two-phase region is developed for predicting these transient characteristics, which it is seen to do quite well, especially when consideration is given...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2004, 126(6): 1003–1013.
Published Online: January 26, 2005
... the important characteristics of droplet formation, detachment, and impact observed in the experiments. Sussman , M. , Fatemi , E. , Smereka , P. , and Osher , S. , 1998 , “ Improved Level Set Method for Incompressible Two-Phase Flows ,” Comput. Fluids , 27 (5–6), pp. 663 – 680...