Thermal resistance in corrugated plate heat exchangers under crystallization fouling of calcium sulfate (CaSO4)

Eungchan Lee, Jaemyeong Jeon, Hoon Kang, Yong Chan Kim

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

In a water heating system, the performance of the corrugated plate heat exchangers (PHEs) is often degraded by crystallization fouling due to the precipitation of insoluble salts on the heat transfer surface. In this study, the fouling resistance in corrugated PHEs was measured and analyzed according to CaSO4 concentration, flow velocity, inlet temperatures of the solution and hot water, and corrugation angle of the plate. In addition, the asymptotic fouling resistance and asymptotic fouling period of PHEs were analyzed by varying the operating and geometric conditions of PHEs. A new correlation for the CaSO4 crystallization fouling resistance was developed in terms of the asymptotic fouling resistance and asymptotic fouling period. The present correlation yielded satisfactory predictions with a mean absolute deviation of 4.8% from the measured data.

Original languageEnglish
Pages (from-to)908-916
Number of pages9
JournalInternational Journal of Heat and Mass Transfer
Volume78
DOIs
Publication statusPublished - 2014 Jan 1

ASJC Scopus subject areas

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

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