University of Illinois Urbana-Champaign

An Experimental Investigation of Natural Convection Heat Transfer in a Refrigerator During Closed Door Conditions

Williams, T.L.

Content Files
TR054.pdf

Permalink

https://hdl.handle.net/2142/9756

Description

Title
An Experimental Investigation of Natural Convection Heat Transfer in a Refrigerator During Closed Door Conditions
Author(s)
Williams, T.L.
Contributor(s)
  • Clausing, A.M.
  • Newell, T.A.
Issue Date
1994-05
Keyword(s)
  • insulation systems
  • refrigerator-freezers
Date of Ingest
2009-03-13T19:44:40Z
Abstract
This investigation determines the convective heat transfer coefficient from the vertical, warm walls of a refrigerator which has cold contents. The influence of enclosure height and contents configuration on the magnitude of the coefficient is established. The heat transfer data are correlated with three different models. The first is a simple power law relating the Nusselt number to the Rayleigh number. The other correlations include the effect of the contents configuration by adding a geometric parameter which is either an area or a volume ratio of the contents to the enclosure. All three correlations yield a coefficient of determination greater than 0.93. The Rayleigh number based on the enclosure height and the temperature difference between the enclosure and the contents ranges from 4.8 x 106 to 6.1 x 108. The surface area ratio varies from 0.47 to 0.91, while the volume ratio varies from 0.11 to 0.32.
Publisher
Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign.
Series/Report Name or Number
Air Conditioning and Refrigeration Center TR-54
Type of Resource
text
Genre of Resource
Technical Report
Language
en
Permalink
http://hdl.handle.net/2142/9756
Sponsor(s)/Grant Number(s)
Air Conditioning and Refrigeration Center Project 19

Owning Collections

Technical Reports - Air Conditioning and Refrigeration Center PRIMARY