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Heat Transfer Research
Impact-faktor: 0.404 5-jähriger Impact-Faktor: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN Druckformat: 1064-2285
ISSN Online: 2162-6561

Volumes:
Volumen 50, 2019 Volumen 49, 2018 Volumen 48, 2017 Volumen 47, 2016 Volumen 46, 2015 Volumen 45, 2014 Volumen 44, 2013 Volumen 43, 2012 Volumen 42, 2011 Volumen 41, 2010 Volumen 40, 2009 Volumen 39, 2008 Volumen 38, 2007 Volumen 37, 2006 Volumen 36, 2005 Volumen 35, 2004 Volumen 34, 2003 Volumen 33, 2002 Volumen 32, 2001 Volumen 31, 2000 Volumen 30, 1999 Volumen 29, 1998 Volumen 28, 1997

Heat Transfer Research

DOI: 10.1615/HeatTransRes.v31.i1-2.110
pages 47-51

Heat Transfer from the Surface of an Inner Annulus with Spherically Shaped Indentations in a Flow with Variable Fluid Properties

A. V. Turkin
Moscow, Russia
A. G. Sorokin
All-Union Heat Engineering Institute after F. E. Dzerzhinsky, Moscow, USSR
O. N. Bragina
All-Union Heat Engineering Institute after F. E. Dzerzhinsky, Moscow, USSR
N. N. Yakovleva
Moscow, Russia
I. B. Aleshina
Moscow, Russia

ABSTRAKT

Heat transfer and friction for a turbulent air flow in an annulus with indented inner wall are studied. The inner wall is uniformly heated and the outer wall is insulated. It is shown that for wall-to-bulk temperature ratios greater than 1.15 the Nusselt number is independent of the above parameter. Heat transfer and friction factors are 60 and 35% higher than those in a smooth channel, respectively.


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