...Lizhan Bai; Guiping Lin; G. P. Peterson; Dongsheng Wen Supercritical startup of cryogenic loop heat pipes (CLHPs) has been investigated both analytically and experimentally. Mathematical model of the supercritical startup has been established using the nodal network method, and parametric study...

...Shun Ching Lee; Tzu-Min Chen The behavior of cryogenic nitrogen in a room-temperature evaporator six meters long is analyzed. Trapezoid fins are employed to enhance the heat flux supplied by the environment. The steady-state governing equations specified by the mixed parameters are derived from...

...M. J. White; G. F. Nellis; S. A. Klein; W. Zhu; Y. Gianchandani Cryogenic and high-temperature systems often require compact heat exchangers with a high resistance to axial conduction in order to control the heat transfer induced by axial temperature differences. One attractive design...

... in Porous Media ,” Int. J. Heat Mass Transfer 0017-9310 , 42 , pp. 423 – 435 . 10.1016/S0017-9310(98)00185-9 Jones , G. F. , 1995 , “ Axial Conduction in a Thick-Wall Matrix Heat Exchanger ,” Cryogenics 0011-2275 , 35 , pp. 581 – 588 . 10.1016/0011-2275(95)91257-L 23 07...

...% while those of the cooling rate at the cryoprobe are in the range of 7–14%. 30 05 2008 29 07 2008 20 03 2009 biothermics computational fluid dynamics cryogenics finite element analysis forced convection freezing haemodynamics pipe flow pulsatile flow surgery...

... biological tissues cryogenics needles probes surgery thermocouples cryosurgery multicryoprobes ablation ratio frozen volumes lethal temperatures Cryosurgery is a medical technique involving the application of cryotemperatures for destroying undesired tissues ( 1 ). It was in use...

... hydrogen storage, efficient heat transfer during compression and intercooling decreases compression work. In addition, enhanced heat transfer inside the tank during the fueling process can minimize additional compression work. For liquid hydrogen storage, improved thermal insulation of cryogenic tanks can...

... Stirling engines refrigerators Cryogenics Engines Heat Transfer Refrigeration Regenerators As noted by Walker in his classic treatise on Stirling engines 1 and emphasized recently by Organ 2 , ideal Stirling engines do not work on the Stirling cycle. The gas in an ideal Stirling...

.... The temperature of the foil, which reflects the local flow velocities, was measured by an infrared technique with high spatial and temperature resolution. The microstructure of the surfactant solution was studied by direct imaging cryogenic temperature transmission electron microscopy (Cryo-TEM). The most...

...Ravi S. Prasher and; Patrick E. Phelan The paper was listed in the Radiative Transfer category in the table of contents. The paper should have been in the Microscale Heat Transfer category. thermal resistance heat transfer scattering 1/f noise cryogenics contact resistance...

...Ravi S. Prasher; Patrick E. Phelan Solid-solid thermal boundary resistance R b plays an important role in determining heat flow, both in cryogenic and room-temperature applications, such as very large scale integrated circuitry, superlattices, and superconductors. The acoustic mismatch model (AMM...

... and circular shapes are presented. Using the methods developed, the relative size of matrix heat exchangers of rectangular and circular shapes are compared. [S0022-1481(00)01503-6] optimisation heat exchangers refrigerators heat transfer Cryogenics Heat Exchangers Heat Transfer Optimization...

... July 1998 05 12 2007 Cryogenics Finned Surfaces Heat Exchangers Bon Mardion G. , Claudet G. , Seyfert P. , and Verdier J. , 1977 , “ He II in Low Temperature and Superconductive Magnet Engineering ,” Advances in Cryogenic Engineering , Vol. 23 , pp. 358 – 362...

... \ Contributed by the Heat Transfer Division for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received by the Heat Transfer Division, Dec. 2, 1996; revision received, June 26, 1998. Keywords: Conduction, Cryogenics, Flow Transition, Thermophysical Properties. Associate Technical Editor: A. Lavine...

... there is general agreement on the magnitude of R b from experimental data, there is at present no generally accepted theory capable of predicting R b for these films, particularly at the intermediate cryogenic temperatures where they are likely to be used. Here, the Diffuse Mismatch Model (DMM), which considers...

... , Vol. 183 , pp. 99 – 104 . Cryogenics Heat Transfer Radiation Thermophysical 17 September 1996 31 October 1997 07 01 2008 Z. M. Zhang Department of Mechanical Engineering, University of Florida, P.O. Box 116300, Gainesville, FL 32611-6300 zzhang@cimar.me.ufl.edu Far...

... this phenomenon to a point temperature measurement of small heating elements like an LSI (Large-Scale Integration) electronic chip. The experiments were carried out by using gold, silver, copper, and tungsten point contacts under cryogenic conditions, and a heat flux through the point contact was applied via...

...Z. M. Zhang; R. U. Datla; S. R. Lorentz; H. C. Tang This work consists of a detailed thermal modeling of two different radiometers operated at cryogenic temperatures. Both employ a temperature sensor and an electrical-substitution technique to determine the absolute radiant power entering...

... et al., 1966). Heat transfer to the drop from the surface occurs by conduction across this insulating vapor layer, and is much less than it would be in the case of direct liquid-solid contact. A surface at room temperature is sufficiently hot to support the film boiling of a droplet of a cryogenic...

...P. E. Phelan; Y. Song; O. Nakabeppu; K. Ito; K. Hijikata; T. Ohmori; K. Torikoshi 01 June 1992 01 February 1994 23 05 2008 Conduction Cryogenics Direct-Contact Heat Transfer response of the lattice temperature shown in Figs. 3 to 5 is a direct result of the initial...