Numerical study of Laminar natural convection from a plate to its cylindrical enclosure
Journal Article
·
· Journal of Solar Energy Engineering; (United States)
- Mechanical and Aerospace Engineering Dept., North Carolina State Univ., Raleigh, NC (US)
This paper reports that the steady-state laminar natural convection for air bounded by a hot plate and a cold cylindrical enclosure has been studied numerically for the case of cold isothermal cylinder and hot isothermal plate. A correlation is presented for the average Nusselt number over the range of Rayleigh number from 10{sup 5} to 10{sup 6} for different values of the width-aspect ratio S{sub w} and thickness aspect-ratio S{sub t} of the plate. It is found that the average Nusselt number increase with increasing S{sub w} and Rayleigh number. A two-cell pattern is observed for S{sub w} = 1.5 and less. The effect of S{sub w} on the average Nusselt number is found to be stronger than that of S{sub t}.
- OSTI ID:
- 5522637
- Journal Information:
- Journal of Solar Energy Engineering; (United States), Journal Name: Journal of Solar Energy Engineering; (United States) Vol. 113:3; ISSN 0199-6231; ISSN JSEED
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420205 -- Engineering-- Transport & Storage Facilities-- (1980-)
420400* -- Engineering-- Heat Transfer & Fluid Flow
661300 -- Other Aspects of Physical Science-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
COHERENT SCATTERING
CONVECTION
CYLINDERS
ENERGY TRANSFER
FLUID FLOW
HEAT TRANSFER
ISOTHERMAL PROCESSES
LAMINAR FLOW
MASS TRANSFER
NATURAL CONVECTION
NUSSELT NUMBER
PLATES
RAYLEIGH SCATTERING
SCATTERING
STEADY-STATE CONDITIONS
THERMODYNAMICS
420205 -- Engineering-- Transport & Storage Facilities-- (1980-)
420400* -- Engineering-- Heat Transfer & Fluid Flow
661300 -- Other Aspects of Physical Science-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
COHERENT SCATTERING
CONVECTION
CYLINDERS
ENERGY TRANSFER
FLUID FLOW
HEAT TRANSFER
ISOTHERMAL PROCESSES
LAMINAR FLOW
MASS TRANSFER
NATURAL CONVECTION
NUSSELT NUMBER
PLATES
RAYLEIGH SCATTERING
SCATTERING
STEADY-STATE CONDITIONS
THERMODYNAMICS