Showing papers in "International Communications in Heat and Mass Transfer in 1984"
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TL;DR: In this paper, the authors investigated the melting process adjacent to a heated vertical surface and inside a vertical as well as horizontal heated cylinder and found that all the studied processes show common features and can be described by two-regime models.
41 citations
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TL;DR: In this article, the authors describe a new method of cooling of planar VLSI circuits which allows one to obtain chip heat fluxes in excess of 500 W/cm2 with acceptable temperature rises.
40 citations
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TL;DR: In this article, a number of techniques for tracking a phase change front in an asymmetric two-dimensional region are developed and investigated, including the enthalpy method, which provides a means of tracking phase change fronts.
37 citations
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TL;DR: In this article, the authors reported an exact solution of the fractional function of blackbody radiation with respect to the F 0−λT = ∫ λT 0 E bλ (T) σT 5 d (λT)= 15 π 4 ∑ n=1 ∞ e −nx n (x 3 + 3x 2 n + 6x n 2 + 6 n 3 )
36 citations
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TL;DR: In this paper, an analysis of the buoyancy effects in the parallel and stagnation forced flows in a porous medium adjacent to a heated surface with wall temperature being a power function of distance was performed.
34 citations
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TL;DR: In this article, the authors obtained quantitative solid-liquid interface morphology data for melting of n-octadecane from below, and showed that the Benard-like, three-dimensional convection cells increased in size, merged with the neighboring ones and formed nearly two-dimensional rolls as the melting progressed.
25 citations
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TL;DR: In this article, the authors studied the effect of concentration induced buoyancy forces superimposed on thermally induced ones in flows generated adjacent to a vertical cone, where the surface of the cone is subjected to uniform mass and/or heat flux.
24 citations
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TL;DR: In this article, the three dimensional flow of a viscous incompressible and electrically conducting fluid past an infinite vertical plate started impulsively in its own plane is discussed in a rotating system.
24 citations
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TL;DR: In this paper, it was shown that the procedure developed by Jones for predicting turbulent friction factors for Newtonian fluids in rectangular and concentric annular ducts may be extended to purely viscous non-Newtonian fluid in noncircular duct, using the Reynolds number introduced by Kozicki.
21 citations
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TL;DR: In this paper, a new model for laminar natural convection heat transfer between an isothermal vertical plate to a power-law fluid is proposed by introducing an approximation based on the partial similarity between the velocity fields for forced and natural convections.
19 citations
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TL;DR: In this paper, the analysis of forced convective heat transfer of power-law non-Newtonian fluids from a flat plate is studied and the results of local heat transfer are obtained by using implicit finite difference scheme to solve the nonsimilarity solution.
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TL;DR: In this paper, an experimental apparatus was designed to verify the method of measurement of thermal diffusivity of food produce proposed by the authors in an earlier paper, which yielded consistently improved results.
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TL;DR: In this paper, the effects of Hall current and rotation on free convection and mass transfer flow through a porous medium bounded by a vertical surface have been analyzed and the velocity profiles are shown on graphs.
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TL;DR: In this paper, a compound parabolic concentrator (CPC) for solar energy applications is presented, and a prototype is built and its thermal performance is determined, and operating temperatures of the order of 150 °C with a reasonable efficiency can be attained by means of a fixed CPC.
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TL;DR: In this article, an analytical expression for instantaneous velocity of two-phase bubble evaporating through immiscible liquid, has been developed, which predicts very well, the experimental data for n-pentane and furan drops.
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TL;DR: In this article, a similarity solution to the problem of film condensation in a porous medium along the surface of a body of arbitrary shape was obtained under an appropriate distribution of lateral mass flux at the boundary.
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TL;DR: In this article, it was shown that the flow separation may be developed in natural convection when caused by a body with edges such as the isothermal horizontal square cylinder, and the inversions can be interpreted in terms of twin vortex.
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TL;DR: In this paper, the authors dealt with the determination of the turbulent Prandtl number and some constants which appear in the mixing length, k/e and k/w turbulence models.
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TL;DR: In this article, natural convection from an isothermal horizontal surface facing downward, has been investigated using the interferometric technique using the Mach-Zehnder interferogram, and the experimentally determined local Nusselt numbers showed a surprising dependance on the temperature difference, between the plate and the ambient, a fact that has not been reported by previous investigations of the phenomenon.
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TL;DR: In this paper, the heat transfer coefficient for nucleate boiling of pure liquids can be determined in many cases by the simple relation h = C · q n, in which the concentration gradient close to the heating surface strongly affects heat transfer.
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TL;DR: In this paper, a two-dimensional fluidized bed with a cross-section of 100 × 5 cm was set on a rocking stand and swung sinusoidally, and it was found that the rocking caused both the formation of dead zones in the bed and the vigorous fluctuation of heat transfer coefficients at the surface of water tubes.
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TL;DR: In this article, the authors showed that the evaporation rate of isolated lenses on n-pentane or R 113 (C2Cl3F3) at a horizontal interface between a hot water and the common vapors of the two fluid substances was typically 10 times higher than that of R 113 lenses under the same temperature driving force.
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TL;DR: In this article, a very porous medium with the presence mass transfer is considered and the influence of the permeability parameter and the modified Grashof number on the velocity field is discussed.
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TL;DR: In this article, the shadowgraph technique was used to visualize the flow (plume) development in the water, and the contour of the ice layer around the heat sink was recorded photographically.
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TL;DR: In this article, an asymptotic solution for the slow solidification of an infinite cylinder with constant surface heat flux is presented, which corresponds to a value of 0.00901 for the small parameter.
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TL;DR: In this article, it was demonstrated that an approximate analytical solution for the general case of non-zero environment temperature may be obtained using the heat balance integral technique, and that the accuracy of the general solution is acceptable for engineering purposes.
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TL;DR: In this paper, the Merk series technique is used to study the momentum and heat transfer rates through laminar boundary layer over a rotating body in forced flow, when the buoyancy forces are not negligible.
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TL;DR: It is shown in this work that separation of variables in a non linear least squares algorithm can reduce the difficulties in the regression procedure considerably.
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TL;DR: In this paper, the general laws of a wave process were established, basic similarity criteria were determined, and the existence of different propagation regimes of the pressure waves was revealed in a vapour-liquid medium of bubble structure.