图书馆订阅: Guest
ICHMT主页 当年 旧刊 执委 International Centre for Heat and Mass Transfer

Distributions of local heat transfer and heat transfer fluctuations on a sphere at different flow turbulence levels

DOI: 10.1615/ICHMT.2006.TurbulHeatMassTransf.1670
pages 763-766

Leon Boguslawski
Poznan University of Technology, Faculty of Machines and Transport Chair of Thermal Engineering, 60-965 Poznan, Poland

Abstract

Experimental results of heat transfer distributions on a sphere at different flow turbulence levels are presented. The average heat transfer coefficient on the sphere surface was found to be dependent on the turbulence level of the flow. This is a result of the change in flow structure near the sphere's surface. The distributions of local heat transfer and its fluctuations for different inflow turbulence levels have been analyzed. The tests reveal that the increase of inflow turbulence level has a dominant effect on the distribution of the local heat transfer coefficient and its turbulent fluctuations on the sphere's surface.

ICHMT Digital Library

Bow shocks on a jet-like solid body shape. Thermal Sciences 2004, 2004. Pulsed, supersonic fuel jets - their characteristics and potential for improved diesel engine injection. PULSED, SUPERSONIC FUEL JETS - THEIR CHARACTERISTICS AND POTENTIAL FOR IMPROVED DIESEL ENGINE INJECTION
View of engine compartment components (left). Plots of temperature distributions in centreplane, forward of engine (right). CHT-04 - Advances in Computational Heat Transfer III, 2004. Devel... DEVELOPMENT AND CURRENT STATUS OF INDUSTRIAL THERMOFLUIDS CFD ANALYSIS
Pratt & Whitney's F-135 Joint Strike Fighter Engine under test in Florida is a 3600F class jet engine. TURBINE-09, 2009. Turbine airfoil leading edge stagnation aerodynamics and heat transfe... TURBINE AIRFOIL LEADING EDGE STAGNATION AERODYNAMICS AND HEAT TRANSFER - A REVIEW
Refractive index reconstructed field. (a) Second iteration. (b) Fourth iteration. Radiative Transfer - VI, 2010. Theoretical development for refractive index reconstruction from a radiative ... THEORETICAL DEVELOPMENT FOR REFRACTIVE INDEX RECONSTRUCTION FROM A RADIATIVE TRANSFER EQUATION-BASED ALGORITHM
Two inclusion test, four collimated sources. Radiative Transfer - VI, 2010. New developments in frequency domain optical tomography. Part II. Application with a L-BFGS associated to an inexa... NEW DEVELOPMENTS IN FREQUENCY DOMAIN OPTICAL TOMOGRAPHY. PART II. APPLICATION WITH A L-BFGS ASSOCIATED TO AN INEXACT LINE SEARCH