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2 edition of Natural convection in enclosures-- 1988 found in the catalog.

Natural convection in enclosures-- 1988

American Society of Mechanical Engineers. Winter Meeting

Natural convection in enclosures-- 1988

presented at the Winter Annual Meeting of the American Society of Mechanical Engineers, Chicago, Illinois, November 27-December 2, 1988

by American Society of Mechanical Engineers. Winter Meeting

  • 371 Want to read
  • 32 Currently reading

Published by American Society of Mechanical Engineers in New York, N.Y .
Written in English

    Subjects:
  • Heat -- Convection, Natural -- Congresses.

  • Edition Notes

    Includes bibliographies.

    Statementsponsored by the K-19 Committee: Environmental Heat Transfer, the Heat Transfer Division, ASME ; edited by R.S. Figliola, P.G. Simpkins.
    SeriesHTD -- vol. 99., HTD (Series) -- vol. 99.
    ContributionsFigliola, R. S., Simpkins, P. G., American Society of Mechanical Engineers. Committee on Environmental Heat Transfer.
    The Physical Object
    Paginationv, 83 p. :
    Number of Pages83
    ID Numbers
    Open LibraryOL14277900M


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Natural convection in enclosures-- 1988 by American Society of Mechanical Engineers. Winter Meeting Download PDF EPUB FB2

Ostrach, S. () Natural Convection in Enclosures. Journal of Heat Transfer 50th Anniversary Issue, Natural convection in enclosures-- presented at the Winter Annual Meeting of the American Society of Mechanical Engineers, Chicago, Illinois, November December 2, Author: R S Figliola ; P G Simpkins ; American Society of Mechanical Engineers.

Ostrach, S. () Natural Convection in Enclosures. Journal of Heat Transfer,Heat Transfer Natural Convection Rayleigh Number Heat Transfer Rate Heat Mass Transfer. These keywords were added by machine and not by the authors.

This process is experimental and the keywords may be updated as the Natural convection in enclosures-- 1988 book algorithm improves. This is a preview of subscription content, log in to check access. The first, for small values of URo, is just the free convection NATURAL CONVECTION I N ENCLOSURES I63 SMALL P INTERMEDIATE % LARGE Q FIG.

The three flow regimes in a closed-end tube Natural convection in enclosures-- 1988 book layer flow modified to account for a downward flow outside the boundary layer, equal to the upward by: The compilation serves to underline the broad spectrum of scientific and engineering fields where the knowledge of natural convection in enclosures is advantageously applied.

The principal cavity geometries treated in the literature and their effect on the flow features are by: natural convection of air in enclosures, with three aspect ratios (H/W = 1, 2, and 4), within which there is a local heat source on the bottom wall at three different positions, Wh.

This heat source occupies 1% of the total volume of the enclosure. The vertical walls in the enclosures are insulated and there is an opening on the right wall. Natural convection in enclosures-- 1988 book CONVECTION I n Chapters 7 and 8, we considered heat transfer by forced convection, where a fluid was forced to move over a surface or in a tube by external means such as a pump or a fan.

In this chapter, we consider natural con- vection, where any fluid motion occurs by natural means Natural convection in enclosures-- 1988 book as buoyancy. The fluid motion in forced convection is quite noticeable, since a fan or aFile Size: KB.

Natural convection within a differentially heated heterogeneous square enclosure consisting of several disconnected and conducting solid blocks within a saturated fluid is studied numerically. The amount of solid constituent within the enclosure is kept constant by fixing the solid-to-fluid volume ratio at 36%.

Fluid Prandtl number is set as by: Journal of NUCLEAR SCIENCE and TECHNOLOGY, 25 [3), pp. (March ). Natural Convection Heat Transfer in Hemisphere Yasuaki SHIINA, Kaoru FUJIMURA Norio AKINO and Tomoaki KUNUGI Heat Transfer Laboratory, Japan Atomic Energy Research Institute* Received Laminar natural convection in rectangular enclosures divided by multiple Natural convection in enclosures-- 1988 book partitions is Natural convection in enclosures-- 1988 book experimentally and by numerical calculation.

In the boundary layer regime, the partition temperature approximately increases linearly in the vertical by: Discussion on the paper “Investigation of Double Diffusive Natural Convection in Presence of Gray Gas Radiation Within a Square Cavity Using Multiple Relaxation Time Lattice Boltzmann Method, F.

Moufekkir, M.A. Moussaoui, A. Mezrhab, J.P. Fontaine, M. Cited by: Int. Heat Mass Transfer. Vol. 31, No.

6, pp.Printed in Great Britain /88 $+ Pergamon Press pic Scaling theory of melting with natural convection in an enclosure PETER JANY and ADRIAN BEJAN Department of Mechanical Engineering and Materials Science, Duke University, Durham, NCU.S.A.

(Received 18 August and in final form 5 November Cited by: J. Fluid Nech.(), wol. pp. Printed in Great Britain Natural convection in enclosures-- 1988 book convection in vertical enclosures containing simultaneously fluid and porous layers By C.

BECKERMANN, R. VISKANTA AND S. RAMADHYANI Heat Transfer Laboratory, School of Mechanical Engineering, Purdue University,Cited by: Natural convection in triangular enclosures is an important problem. It displays well the generic attributes of this class of convection, with its dependence on enclosure geometry, orientation and thermal boundary conditions.

It is particularly rich in its variety of flow regimes and thermal fields as well as having significant practical Cited by: Lee (), and Lankhorst and Hoogendoorn () ied a tall enclosure in laminar natural convection for Ra= and Ra= Mamun,Leong, Hollands, and Johnson ()publishedanextension to previous work in which the mean Nusselt num-ber for Cited by: 8.

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract-In this paper, a similarity relationship is derived for enclosures fllled with a saturated gas-vapour mixture.

Interest in the process arises from the need to cool electronic equipment in sealed enclosures. Firstly, an argument ispresented showing that the mixture will be saturated or nearly so when vapour is.

Natural convection flow in a porous enclosure with localized heating from below Article (PDF Available) in International Journal of Heat and Mass Transfer February with Reads. Heat transfer by natural convection, conduction and radiation in an inclined square enclosure bounded with a solid wall International Journal of Thermal Sciences, Vol.

48, No. 5 Conjugate heat transfer by natural convection, conduction and radiation in open cavitiesCited by: Natural Convection Heat Transfer in a Nanofluid Filled U-Shaped Enclosures: Numerical Investigations Article (PDF Available) in Heat Transfer Engineering 39(16) August with Reads.

I using Fluentand I modelling natural convection in the nuclear spent fuel pool, my suggestion is: opent fluent -> help -> Tutorial Guide and find topic "Modelling radiation and natural convection" (in fluent v page, in the version could be another page number).

Enclosures are finite spaces bounded by walls and filled. with fluid. Natural convection in enclosures, also known. as internal convection, takes place in rooms and. buildings, furnaces, cooling towers, as well as electronic. cooling systems. The present study is concerned with natural convection ventilation in a two dimensional fully open enclosure (cavity) with thermally stratified ambient for both transient and steady-state flow.

The left hand vertical wall of the enclosure is heated and the right hand facing boundary is open, with the top and bottom boundaries : Morteza Nateghi, Steven W.

Armfield. Dzodzo, Milorad B. "Natural Convection in Cubic and Rhomb-Shaped Enclosures." Proceedings of the ASME Heat Transfer Summer Conference collocated with the ASME 7th International Conference on Energy Sustainability and the ASME 11th International Conference on Fuel Cell Science, Engineering and by: 1.

Get this from a library. Natural convection in enclosures, presented at the Winter Annual Meeting of the American Society of Mechanical Engineers, Anaheim, California, December[R S Figliola; I Catton; American Society of Mechanical Engineers. Winter Annual Meeting; American Society of Mechanical Engineers.

Heat Transfer Division.]. Three dimensional thermal convection in enclosures and vertical channels: applications to cooling of electronic equipment Hasan Gunes In the present study, three-dimensional natural convection cooling in enclosures and vertical channels with spatially periodic flush-mounted and.

layer convection and transition flow convection. The conduc-tion shape factor and natural convection models are validated usingdata from CFD simulationsfor a wide range of enclosure geometries and flow conditions. The model is shown to be in goodagreement, within10%RMS, withthenumerical data for all test configurations.

NOMENCLATURE A area, m2. An experimental and numerical study is carried out to investigate natural convection cooling characteristics of discrete heat sources in a rectangular enclosure.

One of the sidewalls of the enclosu Author: Mehmet Saglam, Bugra Sarper, Orhan Aydin. This study presents a numerical investigation of the effects of wall conduction on laminar natural convection heat transfer in a two-dimensional rectangular enclosure.

The heat transfer is driven by a constant-temperature heat source in the center of the by: 8. Books. AIAA Education Series; Library of Flight; Progress in Astronautics and Aeronautics; The Aerospace Press; Browse All Books; Meeting Papers; Standards; Archive; Subscribe/Renew ; About; For Authors ; Volume 2, Issue 3.

No Access. Three-Dimensional Natural Convection Experiments in an by: 3. Numerical analysis of natural convection in a rectangular enclosure horizontally divided into fluid and porous regions.

International Journal of Heat and Mass Transfer, Vol. 29, Issue. 6, p. International Journal of Heat and Mass Transfer, Vol. 29, Issue. 6, p. Cited by: @article{osti_, title = {Natural convection in undivided and partially divided rectangular enclosures}, author = {Nansteel, M W and Greif, R}, abstractNote = {Heat transfer by natural convection in a two-dimensional rectangular enclosure fitted with partial vertical divisions in investigated experimentally.

The horizontal walls of the enclosure are adiabatic while the vertical walls are. Unsteady natural convection flow in a two dimensional fluid saturated porous enclosure with localized heating from below with heat flux, symmetrical cooling from the sides and the insulated top wall has been investigated numerically.

The governing equations are the Darcy’s law for the porous media and the energy equation for the temperature field has been : Md.

Noor-A-Alam Siddiki, Md. Mamun Molla, Suvash C. Saha. The heat transfer by natural convection in vertical and inclined rectangular enclosures with fins attached to the heated wall is numerically studied using the energy and Navier-Stokes equations with the Boussinesq approximation. The range of study covers ≤Ra≤2×,A=H′/L′= to ∞,B=l′/L′=0 to 1,C=h′/L′= to 2 andPr=Cited by: 6.

Natural convection is a type of flow, of motion of a liquid such as water or a gas such as air, in which the fluid motion is not generated by any external source (like a pump, fan, suction device, etc.) but by some parts of the fluid being heavier than other parts.

The driving force for natural convection is gravity. For example if there is a layer of cold dense air on top of hotter less dense.

of natural convection from a heated internal body to its surround-ing cooled enclosure for a variety of inner body and outer bound-ary shape and boundary condition combinations. Of specific inter-est for sealed equipment enclosures is the geometry formed between the vertical flat plate and a cuboid-shaped enclosure.

The details of the natural-convection theory in enclosures has been presented in books by Minkowycz et al. [1], Yang [2], Pop and Ingham [3], and Bejan [4], among others. The model commonly used. Many of the studies in the literature on diverse aspects of the natural convection phenomena are dedicated to these enclosures (OstrachBejanBaïri et alBaïri ).

The interaction between natural convection and radiation is an important feature in by: 3. In the present work, the natural convection heat transfer from horizontal cylinder with square cross section situated in a square enclosure, vented symmetrically from the top and the bottom was investigated numerically.

The work investigate the effect of the Ra, enclosure width and opening size of the enclosure on the streamlines, isotherms and heat transfer by: 1. Natural convection heat transfer in a cylindrical enclosure, heated partially from below by a disk shaped heating surface and cooled from the top and the side, was investigated experimentally and numerically.

Heat transfer measurements are presented for Rayleigh numbers ranging from 10{sup 8} to 2 {times} 10{sup 10} with water as the test fluid. Natural pdf flow simulation for various angles in a trapezoidal enclosure with linearly heated side wall(s) International Journal of Heat and Mass Transfer, Vol.

52, No. Natural convection in right-angle porous trapezoidal enclosure partially cooled from inclined wallCited by: Get this from a library! Natural convection in enclosures presented at the 21st National Heat Transfer Conference, Seattle, Washington, July[I Catton; K E Torrance; American Society of Mechanical Engineers.

Heat Transfer Division.;].Natural ebook flows in a rectangular enclosure subject to a horizontal temperature gradient have been extensively studied by numerical means (e.g. Polezhaev,Macgregor and Emery.