Journal of heat transfer : transactions of the ASME, Vol. 134 N° 1. Journal of heat transfer - Janvier 2012
| Titre : | Journal of heat transfer : transactions of the ASME, Vol. 134 N° 1. Journal of heat transfer - Janvier 2012 |
| Type de document : | Bulletin |
| Paru le : | 29/04/2012 |
Dépouillements
Article : texte imprimé
Like Li, Auteur ;
Renwei Mei, Auteur ;
James F. Klausner, Auteur
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Collisional heat transfer between two contacting curved surfaces is investigated computationally using a finite difference method and analytically using various asymptotic methods. Transformed coordinates that scale with the contact radius and t[...]
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Hossein Rastgoftar, Auteur ;
Mohammad Eghtesad, Auteur ;
Alireza Khayatian, Auteur
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This paper presents a solution to the control (stabilization) problem of temperature distribution in spherical shells with spatially varying properties. The desired temperature distribution satisfies the steady-state heat conduction equation. Fo[...]
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Automotive connectors in modern car generations are submitted to high current; this can cause many problems and requires the minimization of their electrical contact resistances. The new major contribution of this work is the optimization by fin[...]
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T. S. Dhanasekaran, Auteur ;
Ting Wang, Auteur
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Film cooling techniques have been successfully applied to gas turbine blades to protect them from the hot flue gas. However, a continuous demand of increasing the turbine inlet temperature to raise the efficiency of the turbine requires continuo[...]
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Rishi Raj, Auteur ;
Jungho Kim, Auteur ;
John McQuillen, Auteur
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A framework for scaling pool boiling heat flux is developed using data from various heater sizes over a range of gravity levels. Boiling is buoyancy dominated for large heaters and/or high gravity conditions and the heat flux is heater size inde[...]
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Hafiz Muhammad Ali, Auteur ;
Adrian Briggs, Auteur
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This paper presents a fundamental study into the underlying mechanisms influencing heat transfer during condensation on enhanced surfaces. New experimental data are reported for condensation of ethylene glycol at near atmospheric pressure and lo[...]
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Tailian Chen, Auteur ;
Suresh V. Garimella, Auteur
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The cooling capacity of two-phase transport in microchannels is limited by the occurrence of critical heat flux (CHF). Due to the nature of the phenomenon, it is challenging to obtain reliable CHF data without causing damage to the device under [...]
Article : texte imprimé
Myeongsub Kim, Auteur ;
Minami Yoda, Auteur
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Cooling microelectronics with heat flux values of hundreds of kW/cm2 over hot spots with typical dimensions well below 1 mm will require new single- and two-phase thermal management technologies with micron-scale addressability. However, experim[...]
Article : texte imprimé
Chungpyo Hong, Auteur ;
Takaharu Yamamoto, Auteur ;
Yutaka Asako, Auteur
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This paper describes experimental results on heat transfer characteristics of gaseous flow in a microtube with constant wall temperature. The experiments were performed for nitrogen gas flow through three microtubes of 123 µm, 163 µm, and 243 µm[...]
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Hayat, T., Auteur ;
Z. Iqbal, Auteur ;
Mustafa, M., Auteur
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This communication studies the flow and heat transfer characteristics over a continuously moving surface in the presence of a free stream velocity. The Jeffrey fluid is treated as a rheological model. The series expressions of velocity and tempe[...]
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Peng Ding, Auteur
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The main objective of this paper is to solve the inverse convection heat transfer problems with particle swarm optimization method. An enhanced particle swarm optimization (EPSO) algorithm is proposed to overcome the shortcoming of earlier conve[...]
Article : texte imprimé
In Taek Oh, Auteur ;
Kyung Min Kim, Auteur ;
Dong Hyun Lee, Auteur
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The present investigation provides detailed local heat/mass transfer and pressure drop characteristics in a matrix cooling channel, under rotating conditions. The matrix channel had cooling subpassages with crossing angles of 45 deg. The detaile[...]
Article : texte imprimé
Steven R. Mart, Auteur ;
Stephen T. McClain, Auteur
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Recent efforts to evaluate the effects of isolated protuberances within velocity and thermal boundary layers have been performed using transient heat transfer approaches. While these approaches provide accurate and highly resolved measurements o[...]
Article : texte imprimé
Youhei Takagi, Auteur ;
Yasunori Okano, Auteur ;
Sadik Dost, Auteur
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A numerical simulation study was carried out to shed light on the effects of applied crucible rotation and static magnetic field during the traveling heater method growth of bulk SiGe single crystals. The simulation results show that the applica[...]
Article : texte imprimé
Jing Huang, Auteur ;
Yuwen Zhang, Auteur ;
J. K. Chen, Auteur
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To obtain more in-depth knowledge about the microscopic process during laser sintering, phase change processes including melting, evaporation, and resolidification during the irradiation of femtosecond laser on nanosized gold particles were simu[...]
Article : texte imprimé
I. S. Shivakumara, Auteur ;
Jinho Lee, Auteur ;
C. E. Nanjundappa, Auteur
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The onset of thermogravitational convection in a horizontal ferrofluid layer is investigated with viscosity depending exponentially on temperature. The bounding surfaces of the ferrofluid layer are considered to be either stress free or rigid-fe[...]
Article : texte imprimé
Sophia Haussener, Auteur ;
Iwan Jerjen, Auteur ;
Peter Wyss, Auteur
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The effective heat and mass transport properties of a porous packed bed of particles undergoing a high-temperature solid–gas thermochemical transformation are determined. The exact 3D geometry of the reacting porous media is obtained by high-res[...]
Article : texte imprimé
Karthik K. Bodla, Auteur ;
Jayathi Y. Murthy, Auteur ;
Suresh V. Garimella, Auteur
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Porous sintered microstructures are critical to the functioning of passive heat transport devices such as heat pipes. The topology and microstructure of the porous wick play a crucial role in determining the thermal performance of such devices. [...]
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John C. Duda, Auteur ;
Timothy S. English, Auteur ;
Donald A. Jordan, Auteur
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Many random substitutional solid solutions (alloys) will display a tendency to atomically order given the appropriate kinetic and thermodynamic conditions. Such order–disorder transitions will result in major crystallographic reconfigurations, w[...]
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Jing Peng, Auteur ;
Ming-Ming Wang, Auteur ;
Jiao Geng, Auteur
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The flow characteristics of falling film of amino acid ionic liquid (AAIL) aqueous solution on a uniformly heated vertical plane have been experimentally studied. The infrared images and temperature profiles have been determined and used to anal[...]
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Fully developed turbulent flow in noncircular ducts is examined, and simple models are proposed to predict the friction, heat and mass transfer in most common noncircular channels. It is found that the square root of cross-sectional area is the [...]
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Maziar Mohammadi, Auteur ;
Mohammad Mohammadi, Auteur ;
M. B. Shafii, Auteur
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In this work, a four-turn pulsating heat pipe (PHP) is fabricated and tested experimentally. The novelty of the present PHP is the capability to obtain various thermal performances at a specific heat input by changing the magnetic field. The eff[...]
Article : texte imprimé
M. M. Awad, Auteur
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Article : texte imprimé
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