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Showing papers in "International Journal of Heat and Mass Transfer in 1961"


Journal ArticleDOI
TL;DR: In this article, the temperature field in an air layer enclosed between two isothermal vertical plates with different temperatures has been investigated with the help of a Zehnder-Mach interferometer.

324 citations


Journal ArticleDOI
TL;DR: In this paper, free convection heat transfer due to the simultaneous action of buoyancy and induced magnetic forces is investigated for laminar boundary-layer flow about an isothermal vertical plate.

288 citations


Journal ArticleDOI
TL;DR: In this article, the authors derived an approximate formula for the growth of a bubble in a uniformly superheated liquid, based on the Bosnjakovic-Jakob analysis.

250 citations


Journal ArticleDOI
TL;DR: In this article, a system of differential equations for a nucleate boiling process has been formulated and a rational system of criteria characterizing it has been developed, proceeding from the hypothesis on the hydrodynamic nature of crises in the boiling mechanism.

215 citations


Journal ArticleDOI
TL;DR: In this article, the authors considered the shear forces at the liquid-vapour interface and showed that the effects of interfacial shear on heat transfer are negligible for Prandtl numbers of ten or greater.

204 citations


Journal ArticleDOI
TL;DR: In this paper, the authors deal with the simplest boundary value problems of heat transfer in which heat conduction equations are solved in common for a body with heat sources and for a liquid flowing round the body.

197 citations


Journal ArticleDOI
R.A. Alpher1
TL;DR: In this article, an analysis of convective heat transfer in the fully developed laminar flow of an incompressible conducting fluid between parallel plates through a transverse magnetic field is presented.

128 citations


Journal ArticleDOI
TL;DR: A review of research on heat transfer published during the preceding year is reviewed in this article, divided into sections dealing with following subjects: donduction, channel flow, boundary-layer flow, flow with separated regions, transfer mechanisms, natural convection, convection from rotating surfaces, combined heat and mass transfer, phase changes, radiation, liquid metals, low-density heat transfer, measurement techniques, heat-transfer applications, and thermodynamic and transport properties.

105 citations


Journal ArticleDOI
TL;DR: In this article, the influence of free stream turbulence on the coefficient of heat transfer from plates at zero incidence, with and without a pressure gradient, was investigated, and the results showed that the effect of free-stream turbulence on heat transfer was negligible.

95 citations



Journal ArticleDOI
TL;DR: In this article, a method has been developed for calculating the radiant interchange in an enclosure containing specularly reflecting surfaces, which is applied to systems composed of two specular surfaces and an unrestricted number of black surfaces.

Journal ArticleDOI
TL;DR: In this paper, it was shown that the resistance to heat flow at the interface of metals in contact depends upon the direction of heat flow and that the effect could be associated with the mechanism of conduction at the points of metallic contact.

Journal ArticleDOI
TL;DR: In this article, the question of calculating the temperatures of opaque and non-opaque surfaces subject to assigned net rates of radiant flux is considered, and it is shown that, for gray surfaces, any opaque surface in radiant balance in an enclosure of arbitrary complexity achieves a steady state temperature which is independent of the emissivity (or absorptivity) of the surface.

Journal ArticleDOI
TL;DR: In this article, the free-convection layer along a vertical flat plate is investigated theoretically as well as experimentally with a view to studying its instability and "natural" transition from laminar to turbulent flow.

Journal ArticleDOI
TL;DR: The boundary-layer differential equations for laminar flow over permeable wedges with suction, including isothermal and variable wall temperature distributions, have been solved in this article.

Journal ArticleDOI
TL;DR: In this paper, the effect of vibration on heat transfer from a horizontal copper cylinder, 0.344 in. in diameter and 6 in. long, was investigated, where the cylinder was placed normal to an air stream and was sinusoidally vibrated in a direction perpendicular to the direction of the air stream.

Journal ArticleDOI
TL;DR: In this article, families of bodies with closed lower ends are found that have similar velocity and temperature profiles along their entire extents, and growth of boundary-layer thickness and velocity along the surfaces, as well as the heat transfer, are computed for a wide range of Prandtl numbers.

Journal ArticleDOI
TL;DR: In this article, the exact predictions of heat transfer and skin friction in the presence of masstransfer cooling with a foreign gas can be approximated by simple expressions which should be of value for engineering design calculations.

Journal ArticleDOI
G. Poots1
TL;DR: In this article, the authors considered the two-dimensional laminar natural convection flow of an electrically conducting viscous fluid, such as mercury or liquid sodium, in the presence of electric or magnetic fields.

Journal ArticleDOI
TL;DR: In this paper, the authors used the theory of turbulent wall jets to obtain conditions approximating those of the wall jet, where tangential air is injected into a turbulent boundary layer, with very low values of the free stream velocity.

Journal ArticleDOI
TL;DR: In this paper, the steady state two-dimensional temperature distribution and heat flow in prismatic bars with isothermal boundary conditions and various external geometry were computed and tabulated using the method of conformal mapping.

Journal ArticleDOI
TL;DR: Schuh's theory of steady laminar flow above a line heat source in a fluid with Pr = 0.7 is extended to fluids such as heavy oils in this article, and the solution is valid for all fluids of high Prandtl number, regardless of whether the viscosity is temperature dependent or not.

Journal ArticleDOI
TL;DR: In this paper, the heat transfer between a submerged jet of liquid and a plate held normal to the flow is studied experimentally and three heat transfer regions varying in relative length of jet h d are established.

Journal ArticleDOI
TL;DR: In this paper, the experimental investigation of heat transfer of a plate in a flow of air, water and transformer oil at different directions of heat flow over the range of Ref numbers from 2 × 104 to 3 × 107 and that of Prf from 0.701 to 380 is presented.

Journal ArticleDOI
TL;DR: In this article, the authors presented similar solutions for a two-parameter family of velocity distributions for a wide range of the variables: Prandtl/Schmidt number, Euler number, and driving force.

Journal ArticleDOI
TL;DR: In this paper, a method for calculating the distributions of laminar boundary-layer thickness and wall shear stress on a two-dimensional or axi-symmetrical body when the distribution of free-stream velocity and of mass transfer through the wall are specified is presented.

Journal ArticleDOI
TL;DR: The auxiliary functions needed in using the method of Paper 1 of the series are presented as graphs and tables (Tables 7 and 8, Figs. 4 and 5). They have been deduced by interpolation from a large number of exact solutions obtained by other authors; these solutions are surveyed in this paper.

Journal ArticleDOI
TL;DR: In this article, the local heat transfer coefficient in a straight pipe remote from the entrance was measured and the results for laminar and turbulent flow were compared with conventional formulae.

Journal ArticleDOI
TL;DR: In this paper, an analytical solution for transient heat transfer for unsteady incompressible laminar flow between parallel plates was obtained for the case where the inside surfaces of the channel walls undergo a specified step in temperature, that is, the heattransfer resistance of the wall is neglected.

Journal ArticleDOI
TL;DR: In this paper, a linear relation between the thermal conductivity and temperature is proposed, which predicts the thermalconductivity of toluene within better than 1 per cent between −20° and +112°C.