Combined convection heat transfer of micro-capsule slurry in a horizontal duct

Hyungsup Im, Akihiko Horibe, Naoto Haruki, Sintaro Maeda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Identifying phenomena such as natural convection and forced convection has become indispensable when designing heat exchanger and heat pipe ramp, etc. However there has been barely any basic research on combined convection where forced convection and natural convection coexist using the micro-capsule slurry of latent heat storage. Therefore, this research was carried out to explain the combined convection heat transfer characteristics of latent heat storage micro-capsule slurry in a horizontal duct. As a result, the heat transfer coefficient is high in the upper stream of the duct regardless of the phase change of upper surface heating and it decreases toward the down stream. The heat transfer coefficient with phase change is higher in lower surface heating than that without phase change, and heat transfer coefficient at lower surface heating increases more noticeably than that at upper surface heating.

Original languageEnglish
Title of host publicationACRA 2016 - 8th Asian Conference on Refrigeration and Air-Conditioning
PublisherAsian Conference on Refrigeration and Air Conditioning (ACRA)
Publication statusPublished - 2016
Event8th Asian Conference on Refrigeration and Air-Conditioning, ACRA 2016 - Taipei, Taiwan, Province of China
Duration: May 15 2016May 17 2016

Other

Other8th Asian Conference on Refrigeration and Air-Conditioning, ACRA 2016
CountryTaiwan, Province of China
CityTaipei
Period5/15/165/17/16

Keywords

  • Combined convection
  • Heat transfer
  • Micro-capsule slurry
  • Upper/lower surface

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Mechanical Engineering
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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  • Cite this

    Im, H., Horibe, A., Haruki, N., & Maeda, S. (2016). Combined convection heat transfer of micro-capsule slurry in a horizontal duct. In ACRA 2016 - 8th Asian Conference on Refrigeration and Air-Conditioning Asian Conference on Refrigeration and Air Conditioning (ACRA).