Thermal behaviour of heated stationary inner cylinder of a concentric vertical annulus formed with rotating outer cylinder

Author:

Chithrakumar V K,Venugopal G,Rajkumar M R

Abstract

Abstract Experimental studies have been conducted to investigate the convective heat transfer from the inner stationary heated cylinder of a vertical concentric annulus with outer cylinder rotating, corresponding to rotation speeds from 500rpm to 1000rpm. The centrifugal force arising due to the outer cylinder rotation and the buoyant force developed due to the heat generated from the stationary inner cylinder has been characterized by using a non-dimensional number denoted as Rotation parameter (ζ = Reω 2/Gr). The influence of Rotation parameter on the convective thermal behaviour of the heated stationary inner cylinder has been explained.

Publisher

IOP Publishing

Subject

General Medicine

Reference10 articles.

1. Free convection effects on the developing laminar flow in vertical concentric annuli;El Shaarawi,1980

2. Mixed convection with variable viscosity in a vertical annulus with uniform wall temperatures;Zanchini;J.Heat and Mass Transfer,2008

3. Free convection heat transfer in vertical annuli;Nagendra,1970

4. Mixed convection in vertical, cylindrical annuli;Hessami;J.heat and mass transfer,1987

5. Differential rotation driven by convection in a rapidly rotating annulus;Busse;J Geophysical & Astrophysical Fluid Dynamics,1982

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