THERMAL SCIENCE
International Scientific Journal
WASTE HEAT RECOVERY AND REUSE FOR SHIP HYDRAULIC OIL TEMPERATURE CONTROL SYSTEM
ABSTRACT
In order to solve the problems of high energy consumption and serious waste of heat energy in the traditional oil cooler of Marine hydraulic system, the waste heat recovery and reuse of Marine hydraulic oil temperature control system is proposed. The hydraulic system waste heat recovery test platform has been established, the influence of electrical load, oil flow rate and working medium flow rate on system operation and energy characteristics is studied. The experimental results show that under the same working condition, compared with the oil cooler of the same specification, the maximum thermal efficiency of the proposed organic Rankine cycle waste heat recovery system is increased to 2.56%. The expander pressure ratio and system thermal efficiency increase with the increase of electric load and oil flow. The experimental results analyzed the energy saving effect of waste heat recovery system on hydraulic system, and obtained the rule of system operation efficiency.
KEYWORDS
PAPER SUBMITTED: 2022-09-27
PAPER REVISED: 2022-11-26
PAPER ACCEPTED: 2022-12-02
PUBLISHED ONLINE: 2023-03-25
THERMAL SCIENCE YEAR
2023, VOLUME
27, ISSUE
Issue 2, PAGES [1257 - 1263]
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