Experimental study of flow and heat transfer characteristics of natural convection in an enclosure with horizontal parallel heated plates

Akihiko Horibe, Rikio Shimoyama, Naoto Haruki, Akira Sanada

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We conducted an experimental investigation of natural convection in an enclosure containing horizontal parallel heated plates. Our experimental setup was as follows: Two heated plates were arranged vertically in an enclosure. The temperature of the ceiling was maintained at a constant low temperature, while the other sides satisfied thermal insulation boundary conditions. We examined flow characteristics in the enclosure and heat transfer around the horizontal heated plates. In the region between the cooled ceiling and the upper heated surface, vortex motion occurred when the accompanying flow from the lower region interfered with the ascending flow. Heat transfer around the heated surface was enhanced by this vortex motion. In other regions, the flow circulated along the heated surfaces in all cases. Generally speaking, for each flow pattern, the Nusselt number was proportional to some power of the modified Rayleigh number.

Original languageEnglish
Pages (from-to)7072-7078
Number of pages7
JournalInternational Journal of Heat and Mass Transfer
Volume55
Issue number23-24
DOIs
Publication statusPublished - Nov 2012

Keywords

  • Enclosure
  • Flow visualization
  • Heat transfer
  • Natural convection
  • Parallel heated plates
  • Vortex motion

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

Fingerprint Dive into the research topics of 'Experimental study of flow and heat transfer characteristics of natural convection in an enclosure with horizontal parallel heated plates'. Together they form a unique fingerprint.

  • Cite this