EXPERIMENTS ON CONVECTIVE HEAT TRANSFER IN LIQUID FILLED VERTICAL ANNULUS.

V. Prasad, F. A. Kulacki

Research output: Contribution to journalConference article

Abstract

An experimental study of convective heat transfer in a liquid-filled vertical annulus of radius ratio 5. 338 has been conducted for the height-to-gap width ratios of 0. 5, 1 and 1. 5. With water, heptane and ethylene glycol as the test fluids, a Rayleigh number range of 8 multiplied by 10**6 less than Ra less than 3 multiplied by 10**1**0, and a Prandtl number range of 4 less than Pr less than 196 have been covered. Curvature effects on the temperature field are significant and result in a lower effective sink temperature for the boundary layer on the isothermally heated inner wall.

Original languageEnglish (US)
Pages (from-to)87-98
Number of pages12
JournalAmerican Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD
Volume39
StatePublished - Dec 1 1984

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