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전기추진 소형선박의 전기모터 냉각시스템 설계 및 해석Design and Analysis of an Electric Motor Cooling System for a Small Electric Propulsion Ship
- Other Titles
- Design and Analysis of an Electric Motor Cooling System for a Small Electric Propulsion Ship
- Authors
- 심한섭
- Issue Date
- Nov-2023
- Publisher
- 한국기계가공학회
- Keywords
- Electric Propulsion Ship(전기추진선박); Electric Motor(전기모터 ); Cooling System(냉각장치) Heat Exchanger(열교환기); Heat Flow Analysis(열유동해석)
- Citation
- 한국기계가공학회지, v.22, no.11, pp 81 - 86
- Pages
- 6
- Indexed
- KCI
- Journal Title
- 한국기계가공학회지
- Volume
- 22
- Number
- 11
- Start Page
- 81
- End Page
- 86
- ISSN
- 1598-6721
2288-0771
- Abstract
- Small ships equipped with electric propulsion typically operate under high-speed and high-load conditions, causing alarge amount of heat to be generated from the electric motor. Therefore, it is crucial to appropriately design acooling system for effective cooling. In this study, a seawater cooling system for electric motors was designed, anda heat flow analysis of the heat exchanger was performed considering a small electric propulsion ship using twoelectric motors. Under harsh conditions where the seawater temperature was 30 °C, the motor coolant temperaturedecreased from 65 °C to 48 °C. This confirmed the ability of the system to maintain the temperature at or belowthe target temperature of 50 °C at the heat exchanger outlet under harsh conditions.
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