System Performance of Highly Coupled Fan and High-Resistance Medium

Tong Lin, Yuchen Pan, Mehmet Nasir Sarimurat, Thong Dang

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


This article presents an experimental study on the performance of a system consisting of a fan and a high-resistance medium (or an HRM). The HRM used in this study is a simplified model for cooling fins, heat exchangers, memory dual in-line memory module (DIMMs), air filters, etc. The study focuses on comparing the pressure difference across a closely coupled fan and HRM arranged in the draw-through configuration (HRM placed in front of a fan) and the blow-through configuration (HRM placed behind a fan) as a function of the gap distance between the fan and the HRM, along with the efficiency of moving air through these systems. System efficiency is defined to quantify system performance; it is a measure of the actual power input to push the air through the system relative to the ideal power required to achieve the same task. For the specific fan and HRM configurations studied here, the results show that system efficiency is a strong function of gap when the gap is approximately 15% of fan diameter or less for the draw-through configuration, and 10% of fan diameter or less for the blow-through configuration. Furthermore, it has been determined that the blow-through configuration is significantly less efficient than the draw-through configuration.

Original languageEnglish (US)
Pages (from-to)1399-1409
Number of pages11
JournalIEEE Transactions on Components, Packaging and Manufacturing Technology
Issue number9
StatePublished - Sep 1 2023


  • Fan system efficiency
  • fan system integration
  • highly coupled fan system

ASJC Scopus subject areas

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


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