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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국유체기계학회 한국유체기계학회 논문집 유체기계저널 제7권 제2호
발행연도
2004.4
수록면
21 - 26 (6page)

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초록· 키워드

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In this study the effects of fluid viscosity on the pump performances for a conventional centrifugal pump were experimentally investigated. The study aimed to compare the pump characteristics between water and viscosity fluids. In order to measure the flow rate and pressure, v-notch weir and bourdon pressure gauges were used for the codes of KS B6301 and KS B6302. The working fluids were water, aqueous sugar and glycerin solutions. The results were summarized as follows ; The experimental results were summarized as follows : the pump characteristics of the total head, shaft power, and efficiency with high viscosity fluids were different from those of water. When the viscosity of the applied fluid was increased, the total head and efficiency were more decreased than those of water. The decreasing gradients of the total head and the efficiency were larger than water due to the increased disk friction losses at the duty operation point. However, the shut-off head was almost constant regardless the viscosity of applied fluids. Each efficiency curves for the sugar 20w% and glycerin 20w% solutions was decreased up to 15.1% and 34.4% than that of water, respectively.

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ABSTRACT

1. 서론

2. 작동유체의 특성과 펌프성능 실험방법

3. 결과 및 검토

4. 결론

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