전동 워터펌프의 열유동 특성 해석에 관한 연구

Title
전동 워터펌프의 열유동 특성 해석에 관한 연구
Other Titles
A Study on Thermo-flow Characteristics Analysis of Electric Water Pump
Author(s)
김성철송형근[송형근]
Keywords
Canned type(캔드 타입); Electric water pump(전동 워터펌프); Thermal analysis(열해석); CFD(전산유체역학)
Issue Date
201209
Publisher
한국자동차공학회
Citation
한국자동차공학회 논문집, v.20, no.5, pp.95 - 101
Abstract
An electric water pump for engine cooling system has an advantage which particularly in the cold start, the use of the electric water pump saves fuel and leads to a corresponding reduction in emissions. The canned type electric water pump without mechanical sealing elements was selected to meet the requirements for operational reliability and life. However, the electric water pump for internal combustion engine generates much more heat loss than for hybrid electric vehicle since it is operated by the electric power of high current and low voltage. In this study, the fluid flow and thermal characteristics of the canned type electric water pump as an inverter integrated water pump has been investigated under the effects of heat generation. The analysis conditions such as outdoor air temperature of 125°C, water pump speed of 6000 rpm, coolant temperature of 106°C and coolant flow rate of 120 L/min was used as a standard condition. Therefore, flow fields and temperature distribution inside the water pump were obtained. Also, we checked the feasibility of the canned type for the electric water pump in comparison with the mechanical seal type.
URI
http://hdl.handle.net/YU.REPOSITORY/27251http://dx.doi.org/10.7467/KSAE.2012.20.5.095
ISSN
1225-6382
Appears in Collections:
공과대학 > 기계공학부 > Articles
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