CFD analysis for the enhancement of adsorbing moisture by oscillating flow

Atsushi Akisawa, Syu Sato, Akane Uemichi

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

Abstract

This study focuses on the fact that adsorbing moisture from the air is enhanced with oscillating flow induced by acoustic wave, which mechanism has not been clear yet. The objective is to investigate the mass transfer to adsorbent with oscillating flow by CFD. A pack of granular silica gel was modeled in CFD scheme. The air flow is assumed to be the sum of background uniform flow and oscillation flow. The CFD analysis predicted the behavior of adsorption over time with various velocity amplitude. With uniform flow, only the front particles of upstream side adsorb moisture. In contrast, the particles facing to the downstream side also adsorb moisture when oscillating flow exists. The results indicate that the oscillating flow going back and forth induces the enhancement to provide moisture from the downstream side to adsorbent particles.

Original languageEnglish
Title of host publication14th IIR Gustav-Lorentzen Conference on Natural Fluids, GL 2020 - Proceedings
PublisherInternational Institute of Refrigeration
Pages197-202
Number of pages6
ISBN (Electronic)9782362150401
DOIs
Publication statusPublished - 2020
Event14th IIR Gustav-Lorentzen Conference on Natural Fluids, GL 2020 - Virtual, Kyoto, Japan
Duration: 2020 Dec 72020 Dec 9

Publication series

NameRefrigeration Science and Technology
Volume2020-December
ISSN (Print)0151-1637

Conference

Conference14th IIR Gustav-Lorentzen Conference on Natural Fluids, GL 2020
Country/TerritoryJapan
CityVirtual, Kyoto
Period20/12/720/12/9

Keywords

  • Adsorption
  • CFD
  • Desiccant
  • Mass transfer enhancement
  • Oscillating flow

ASJC Scopus subject areas

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

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