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논문 기본 정보

자료유형
학술저널
저자정보
Dae Jung Hwang (Korea Maritime Cooperation Center) Tae Woo Lim (Korea Maritime & Ocean University) Jae Hoon Jee (Mokpo National Maritime University) Eun Shin Bang (Korea Maritime & Ocean University) Cheol Oh (Korea Maritime & Ocean University)
저널정보
한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제47권 제4호
발행연도
2023.8
수록면
154 - 161 (8page)
DOI
10.5916/jamet.2023.47.4.154

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초록· 키워드

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Unlike conventional heat exchangers, Waste Heat Recovery Units (WHRU) and condensers for Organic Rankine Cycle (ORC) power generation undergo phase changes. WHUR requires meticulous designs, because they utilize refrigerants instead of water as the working fluid. The objective of this study was to develop a WHRU that can be used in a single ORC system for ships. The heat transfer rate was calculated during the preliminary design stage, and the operating characteristics were analyzed using Computational Fluid Dynamics (CFD) techniques. A prototype of the WRHU was fabricated and tested, and calculation results of the experiment and CFD simulation confirmed the validity of the model. The heat transfer characteristics and stable phase changes in the WHRU were confirmed by applying various refrigerants to the CFD model, which were validated through experiments. Consequently, it was confirmed that the location at which the phase-change phenomenon occurs in the WHRU differs depending on the type of refrigerant, and the manufacturing and operating conditions of the heat exchanger for stable ORC power generation system operation can be predicted.

목차

Abstract
1. Introduction
2. Fabrication of waste heat recovery unit
3. Phase change depending on refrigerant type
4. Conclusions
References

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