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Mixed Convection Heat Transfer on the Outside of a Vertical Cylinder

Abstract

An experimental study was made of turbulent heat transfer from a vertical cylinder placed in a square channel. The flow medium was water flowing upwards. Basic differential equations governing the mixed flow heat transfer phenomena in a vertical annulus are presented. A dimensional analysis is done to find the dimensionless variables affecting the relative magnitude of the effect of buoyancy on forced convection heat transfer. Dimensionless equations correlating the experimental data ana incorporating a buoyancy parameter of the form Gr/Re{sup 2} are presented. Reynolds number range covered is 690 to 129,500 and the Rayleigh num- ber range covered is 10{sup 9} to 4.2 x 10{sup 13} . Effect of different length parameters, like hydraulic diameter and distance of the measuring point from the inlet of the test section, on dimensionless equations are studied.
Authors:
Publication Date:
Oct 15, 1965
Product Type:
Technical Report
Report Number:
AE-199
Resource Relation:
Other Information: 10 refs., 18 figs., 5 tabs.
Subject:
42 ENGINEERING; HEAT TRANSFER; DUCTS; CYLINDERS; SQUARE CONFIGURATION; ANNULAR SPACE; TURBULENT FLOW
OSTI ID:
20949538
Research Organizations:
AB Atomenergi, Nykoeping (Sweden)
Country of Origin:
Sweden
Language:
English
Other Identifying Numbers:
TRN: SE0708513
Availability:
Commercial reproduction prohibited; OSTI as DE20949538
Submitting Site:
SWDN
Size:
32 pages
Announcement Date:
Dec 17, 2007

Citation Formats

Bhattacharyya, A. Mixed Convection Heat Transfer on the Outside of a Vertical Cylinder. Sweden: N. p., 1965. Web.
Bhattacharyya, A. Mixed Convection Heat Transfer on the Outside of a Vertical Cylinder. Sweden.
Bhattacharyya, A. 1965. "Mixed Convection Heat Transfer on the Outside of a Vertical Cylinder." Sweden.
@misc{etde_20949538,
title = {Mixed Convection Heat Transfer on the Outside of a Vertical Cylinder}
author = {Bhattacharyya, A}
abstractNote = {An experimental study was made of turbulent heat transfer from a vertical cylinder placed in a square channel. The flow medium was water flowing upwards. Basic differential equations governing the mixed flow heat transfer phenomena in a vertical annulus are presented. A dimensional analysis is done to find the dimensionless variables affecting the relative magnitude of the effect of buoyancy on forced convection heat transfer. Dimensionless equations correlating the experimental data ana incorporating a buoyancy parameter of the form Gr/Re{sup 2} are presented. Reynolds number range covered is 690 to 129,500 and the Rayleigh num- ber range covered is 10{sup 9} to 4.2 x 10{sup 13} . Effect of different length parameters, like hydraulic diameter and distance of the measuring point from the inlet of the test section, on dimensionless equations are studied.}
place = {Sweden}
year = {1965}
month = {Oct}
}