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      • 정수압방식의 동력회수장치에 관한 연구

        함영복(Y. B. Ham),최준혁(J. H. Choi),서우석(W. S. Seo),조정대(J. D. Jho),박상진(S. J. Park) 한국동력기계공학회 2006 한국동력기계공학회 학술대회 논문집 Vol.- No.-

        This paper presents a novel energy recoverable hydrostatic pressure exchanger to apply the sea water desalination equipments. In a reverse osmosis (RO) system for desalting sea water, more than 70 percent of the supplied sea water (brines) which were impassable RO membrane are bypassed, resulting in a high energy losses. In this paper, the hydrostatic pressure exchanger which consists of a embedded water hydraulic motor and water hydraulic pump was proposed and investigated in order to recover the energy of the bypassed brines. The pressurized brines are supplied to the embedded water hydraulic motor as power sources and the water hydraulic pump is driven by the output torque of the embedded motor, as a result, the energy of the bypassed brines can be recovered. To examined the optimal volumetric displacement of the embedded water hydraulic motor, the simulation model was constructed using the AMESim<SUP>®</SUP> commercial software. Through simulation results, the feasibility of energy recovery effect on the proposed hydrostatic pressure exchanger was investigated.

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