Local Heat/Mass Transfer of Array Jet Impingement Cooling with Pin-Fin Heat Sinks

Taehyun Kim, Eui Yeop Jung, Seungyeong Choi, Hee Seung Park, Changyong Lee, Hyung Hee Cho

Research output: Contribution to journalArticlepeer-review


Impingement cooling is an effective method for removing heat from a high temperature target surface using sprayed jets oriented to impinge on the surface. Detailed local heat-/mass-transfer distributions are measured using the naphthalene sublimation method. The main parameters of this study are jet hole spacing ( $s/d = 4$ , 8) and crossflow rate. The heat-/mass-transfer coefficients on the target surface are significantly influenced by the crossflow volume and pin-fin structures, and the degree of this influence is affected by different jet hole spacings. The results indicate that a small hole spacing increases the heat/mass transfer by 15%-30% than a large hole spacing for the Reynolds number of 15 000.

Original languageEnglish
Pages (from-to)1768-1775
Number of pages8
JournalIEEE Transactions on Components, Packaging and Manufacturing Technology
Issue number11
Publication statusPublished - 2021 Nov 1

Bibliographical note

Funding Information:
This work was supported in part by Doosan Heavy Industries and Construction and in part by the Human Resources Development Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) funded by the Korea Government Ministry of Trade, Industry and Energy under Grant 20204030200110.

Publisher Copyright:
© 2011-2012 IEEE.

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering


Dive into the research topics of 'Local Heat/Mass Transfer of Array Jet Impingement Cooling with Pin-Fin Heat Sinks'. Together they form a unique fingerprint.

Cite this