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A Study on the Performance Prediction of Automotive Water Pump with Double Discharge Single Suction  

허형석 (자동차부품연구원)
박경석 (경희대학교 기계공학)
이기수 (자동차부품연구)
원종필 (자동차부품연구원)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.12, no.3, 2004 , pp. 27-36 More about this Journal
Abstract
A Numerical analysis has been used to predict the performance in the automotive water pump with double discharge single suction. The influence of parameters such as coolant flow rate, rotational speed, ratio of blade height and clearance has been investigated. Also, the prediction of hydraulic performances such as static pressure rise, shaft power, hydraulic power and pump efficiency is carried out on the water pump including an impeller and a volute casing. A full size water pump test bench has been developed to validate the CFD flow model. Discharge flow rate, suction pressure, discharge pressure, rotational speed and torque measurements are provided. Coolant temperature is 8$0^{\circ}C$, water tank pressure is 1 kgf/$\textrm{cm}^2$ and flow rates vary.
Keywords
Water pump; Hydraulic performance; Hydraulic power; Shaft power; Pump efficiency; Impeller; Volute casing;
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