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J. KIMS Technol > Volume 22(2); 2019 > Article
Journal of the Korea Institute of Military Science and Technology 2019;22(2):249-254.
DOI: https://doi.org/10.9766/KIMST.2019.22.2.249   
Analysis on Heat Dissipation Characteristics of a Tile-Type Digital Transmitter/Receiver Module
Kichul Yoon, Sangwoon Kim, Jaehun Heo, Nojin Kwak, Chan Hong Kim
1The 3rd Research and Development Institute, Agency for Defense Development
2Mechanical Design Team, Hanwha Systems
적층형 디지털송수신모듈의 방열특성 분석
윤기철, 김상운, 허재훈, 곽노진, 김찬홍
1국방과학연구소 제3기술연구본부
2한화시스템(주) 기계설계팀
Abstract
A Digital Transmitter/Receiver Module(DTRM), which is an essential part in active phased-array radar systems, generates a high heat density, and needs to be properly cooled for stable operation. A tile-type DTRM that is a stacking structure of multi-layer components was modeled with simplification and heat dissipation characteristics of the DTRM model were studied using computational fluid dynamics(CFD) simulations. Most of the heat was dissipated by the heat conduction through the cold plate, but the heat transfer by the forced convection on top of the DTRM also was found to play an important role in the thermal management. Under the given conjugated heat transfer environment, the DTRM was confirmed to secure a stable operating temperature range.
Key Words: Heat Dissipation, Liquid Cooling, Cold Plate, Active Phased-Array Radar, Digital Transmitter/Receiver Module


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