Cover of: Heat transfer of a cylinder in crossflow | A. A. Zhukauskas

Heat transfer of a cylinder in crossflow

  • 208 Pages
  • 3.86 MB
  • 6606 Downloads
  • English
by
Hemisphere Pub. , Washington, New York
Heat -- Transmission., Fluid dynamics., Cylinders., Heat exchan
StatementA. Žukauskas, J. Žiugžda ; translated by E. Bagdonaite ; edited by G.F. Hewitt.
SeriesExperimental and applied heat transfer guide books
ContributionsŽiugžda, J.
Classifications
LC ClassificationsTJ260 .Z4913 1985
The Physical Object
Paginationx, 208 p. :
ID Numbers
Open LibraryOL2856619M
ISBN 100891163654
LC Control Number84019169

Heat Transfer of a Cylinder in Crossflow (Experimental and Applied Heat Transfer Guide Books) [Zukauskas, A., Ziugzda, J., Hewitt, G.F., Bagdonaite, E.] on *FREE* shipping on qualifying offers.

Heat Transfer of a Cylinder in Crossflow (Experimental and Applied Heat Transfer Guide Books)Format: Hardcover. This book provides correlations of heat transfer and hydraulic data for bundles of finned tubes in crossflow at high Reynolds numbers.

Results of studies of the effectiveness of the fin, local, and mean heat transfer coefficients are presented. Book Review Heat transfer of a cylinder in crossflow by A. Zukauskas and J. Ziugzda, ISBN 0–––4, First Edition,Pages, Hemisphere Publishing Corporation, New York, Us $ W.

BainesCited by: 5. analysis analytical applies authors average heat transfer axis blockage factor calculated caused changes channel circular cylinder constant covered critical flow regime curve cylinder in crossflow decrease depends described determined diameter distance drag coefficient effect elliptic cylinder equations experimental experiments exponent.

Read "Heat transfer of a cylinder in crossflow by A. Zukauskas and J. Ziugzda, ISBN 0–––4, First Edition,Pages, Hemisphere Publishing Corporation, New York, Us $, The Canadian Journal of Chemical Engineering" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

In this paper, the average heat transfer characteristics for a cross flow cylinder of 16 mm diameter in a vertical pipe has been studied for single-phase flow (water/oil) and multicomponent (non. The article presents the results of the experimental study of convective heat transfer of single tubes of circular and flat oval profile in the range of variation of the relative elongation of the profile of the tubes from 1 (round tube) to The experiments were conducted in an open-type wind tunnel of rectangular cross section in the range of Reynolds number from to The geometry of the heat transfer surface will substantially alter the mechanisms of fluid flow and heat transfer in crossflow.

Other influencing factors include: the effect of thermal boundary conditions (constant vs. T w), the influence of containing ducts or other blockage, free-stream turbulence, as well as the use of roughened surfaces or. Finally, the total heat transfer from the surface of the cylinder is then equal to the heat transfer by convection and radiation, [4] Forced Convection: First calculate the Reynolds number using Equation [5], [5] where ν is the kinematic viscosity, V is the flow velocity, and D is the diameter of the cylinder.

Heat transfer coefficient, heat convected and heat radiated from an isothermal horizontal cylinder assuming natural convection. The convection calculation is based on Rayleigh number and is valid for Rayleigh numbers between and The ends of the cylinder are assumed to be adiabatic.

Heat transfer and fluid flow phenomena involved in a cylinder in crossflow are described and explained using both experimental and analytical techniques.

Specific cases of various fluids, ranging from air to water, transformer to aviation oil, are analyzed and correlated over a wide range of Reynolds and Prandtl numbers.

Details Heat transfer of a cylinder in crossflow EPUB

The effects of physical properties, temperature difference, heat flux Cited by: literature on heat transfer from a heated cylinder to a multiphase flow is given hereafter.

References [5], [6] investigated the heat transfer from a hot cylinder of mm diameter in cross flow of water-air mixture. They investigated the effect of water/air mass ratio and Re on the overall and local heat transfer. transfer from a cylinder in cross flow ”, Pro ceedings of 15th Australasian Fluid Mechanics Conference, Sydney, December[14] “FLUENT User’s Guide”, A.

Zukauskas is the author of Heat Transfer of a Cylinder in Crossflow ( avg rating, 0 ratings, 0 reviews, published ), High Perf Singl Phas Ht Ex. Example – Book Problem Consider a flat plate subject to parallel flow (top and bottom) characterized by u ∞ = 5 m/s and T ∞ = 20°C.

Determine the average convective heat transfer coefficient and convective heat transfer rate associated with a L = 2 m long, w = 2 m plate for surface temperatures of 50 and 80°C.

Example – Book. The measured heat transfer results were compared with literature information for a cylinder of large length-diameter ratio situated in cross-flow in an unbounded low-turbulence flow (i.e., the ideal case of a cylinder in cross-flow) and were found to be substantially higher.

A finite-volume model has been developed to study incompressible forced flow heat transfer of air over a circular cylinder in cross flow. An artificial compressibility technique is applied to couple the continuity to the momentum equations.

The proposed explicit finite-volume method (FVM) uses a novel discretization in time and space. The governing equations are solved by time- marching using. Flow and surface heat transfer analysis of a square cylinder in turbulent cross-flow. Numerical Heat Transfer, Part A: Applications: Vol.

75, No. 12, pp.

Description Heat transfer of a cylinder in crossflow PDF

The flow and heat transfer topology of an isothermal cylinder (diameter D) in the wake of another smaller (diameter d) cylinder is numerically investigated for a spacing ratio of L/d = and at a Reynolds number of The governing Navier-Stokes. Get this from a library.

Influence of thermal boundary conditions on heat transfer from a cylinder in crossflow. [S Stephen Papell; Lewis Research Center.; United States. National Aeronautics and Space Administration.

Scientific and Technical Information Branch.]. Introduction to laminar boundary layers. Introduction. Chapters 1 through 3 consider conduction heat transfer in a stationary medium. Energy transport within the material of interest occurs entirely by conduction and is governed by Fourier's law.

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heat transfer is still independent of rotation, whilst at larger s the crossflow no longer has any influence. In other words, the rotating cylinder behaves like an isolated cylinder without crossflow.

Badr and Dennis [15] performed a theoretical investigation on the heat transfer of a rotating cylinder. Mass transfer from a sublimating naphthalene cylinder to a crossflow of air. Applied Energy38 (1), DOI: /(91)Z. Byung Kyu Kim. Boundary-layer analysis of heat and mass transfer over a circular cylinder in crossflow.

International Heat Transfer Conference Digital Library International Centre for Heat and Mass Transfer Digital Library Begell House Journals Annual Review of Heat Transfer Sunden, Bengt DOI: /_crossflow_over.

Stepka, FS, & Gaugler, RE. "Comparison of Predicted and Experimental External Heat Transfer Around a Film Cooled Cylinder in Crossflow." Proceedings of the ASME International Gas Turbine Conference and Exhibit. Local heat transfer characteristics on a circular cylinder subject to a circular impinging jet in crossflow are studied experimentally at a fixed jet Reynolds number of Re j = 20, Three cylinder-to-jet diameter ratios, D/D j =, and are selected for a fixed jet diameter D reference, heat removal from a flat plate (having D/D j = ∞) by the same circular impinging jet is.

Local and average heat transfer by forced convection from a circular cylinder is studied for Reynolds number from 2 × 10 3 to 9 × 10 4 and Prandtl number from to For subcritical flow, the local heat transfer measurement indicates three regions of flow around the cylinder: laminar boundary layer region, reattachment of shear layer region and periodic vortex flow region.

The second heat transfer process is convection, or heat transfer due to a flowing fluid. The fluid can be a gas or a liquid; both have applications in aerospace technology.

In convection heat transfer, the heat is moved through bulk transfer of a non-uniform temperature fluid. Bhattacharyya and A.

Singh, “ Vortex shedding and heat transfer dependence on effective Reynolds number for mixed convection around a cylinder in cross flow,” Int. Heat Mass Transfer. Atmane et al. [] investigated experimentally the effect of vertical confinement on a single heated horizontal cylinder for a range of Rayleigh number between 3 × 10 4 and 3 × 10 6 in concluded that the heat transfer nearby the cylinder and the natural convection hydrodynamics was not affected by the water surface if the distance was four times the cylinder diameter or more.

The problem of cross-flow forced convection heat transfer from a horizontal cylinder with multiple, equally spaced, high conductivity permeable fins on its outer surface was investigated numerically. The heat transfer characteristics of a cylinder with permeable versus solid fins were studied for several combinations of number of fins and fin.

I am doing simulation of heat transfer of a circular cylinder in crossflow by using Fluent It is a typical problem. we can get a lot experimental Heat transfer of a cylinder in crossflow -- CFD Online Discussion Forums.Then the average convection heat transfer coefficient becomes W/m oc W/m2 oc () m In order to estimate the time of cooling of the ball from C to C, we de- termine the average rate of heat transfer from Newton's law of cooling by using the average surface temperature.

That is, As - = 7( - = I-IA (T.