LAMINAR, FULLY DEVELOPED MIXED CONVECTION IN A VERTICAL ECCENTRIC ANNULUS

LAMINAR, FULLY DEVELOPED MIXED CONVECTION IN A VERTICAL ECCENTRIC ANNULUS

This paper presents a numerical study of laminar, fully developed mixed convection in vertical eccentric annular duets. The equations governing the velocity and temperature are solved on a body-conforming grid by using a finite-volume technique. The effects of radius ratio, eccentricity, and Rayleig...

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Veröffentlicht in:Numerical heat transfer. Part A, Applications Applications, 1992-07, Vol.22 (1), p.71-85
Hauptverfasser: Sathyamurthy, Prabhu, Karki, Kailash C., Patankar, Suhas V.
Format: Artikel
Sprache:eng
Schlagworte:
220200 - Nuclear Reactor Technology- Components & Accessories
240100 - Power Systems- (1990-)
420400 - Engineering- Heat Transfer & Fluid Flow
426000 - Engineering- Components, Electron Devices & Circuits- (1990-)
CATALYTIC CONVERTERS
COOLANT LOOPS
COOLING SYSTEMS
DESIGN
DISPERSIONS
ELECTRICAL EQUIPMENT
ELECTRONIC EQUIPMENT
ENGINEERING
Exact sciences and technology
FAILURES
Flows in ducts, channels, nozzles, and conduits
Fluid dynamics
FLUID FLOW
FLUIDS
Fundamental areas of phenomenology (including applications)
GENERAL STUDIES OF NUCLEAR REACTORS
HEAT EXCHANGERS
LAMINAR FLOW
MIXTURES
NUMERICAL SOLUTION
Physics
POLLUTION CONTROL EQUIPMENT
POWER TRANSMISSION AND DISTRIBUTION
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
TRANSFORMERS
TURBULENT FLOW
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Beschreibung
Zusammenfassung:This paper presents a numerical study of laminar, fully developed mixed convection in vertical eccentric annular duets. The equations governing the velocity and temperature are solved on a body-conforming grid by using a finite-volume technique. The effects of radius ratio, eccentricity, and Rayleigh number on the friction factor and the Nusselt number are discussed. The buoyancy forces significantly increase both friction and heat transfer. The effect of buoyancy is stronger for configuration with larger eccentricities.
ISSN:1040-7782
1521-0634
DOI:10.1080/10407789208944759