Heat-transfer enhancement in natural convection enclosure flow / Mark Bohn, Ren Anderson.

Main entry:

Bohn, Mark.

Title & Author:

Heat-transfer enhancement in natural convection enclosure flow / Mark Bohn, Ren Anderson.

Publication:

Golden, Colo. : Solar Energy Research Institute ; [Springfield, Va.] : [Available from the National Technical Information Service], 1984.

Description:

ix, 37 pages : illustrations ; 28 cm

Notes:
"SERI/TP-252-2103."
"August 1984."
Includes bibliographical references (pages 31-32).

Summary:

The enhancement of natural convection heat transfer in an enclosure was studied experimentally in a water-filled test cell. Surface average heat transfer, local heat transfer, and flow visualization were compared for a smooth and rough vertical heated wall. The facing cooled wall was smooth. The roughness was distributed over the entire heated wall and was of a height comparable to the velocity boundary layer thickness. Results indicate the the roughness promotes boundary layer transition giving fully turbulent behavior at overall Rayleigh numbers about half that for the smooth wall. Local increases in heat transfer of about 40% and surface averaged heat transfer increases of about 16% were observed.

Subject:

Solar heating.
Heat Transmission.
Chauffage solaire.
Chaleur Transmission.
active solar heating.
heat transmission.

Added entries:

Anderson, Ren.
United States. Department of Energy.
Solar Energy Research Institute.

Holdings:

Location: Library main 305257
Call No.: BIB 251066
Status: Available

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