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논문 기본 정보

저자정보
(과학기술연합대학원대학교) (인하대학교) (과학기술연합대학원대학교) (한국생산기술연구원) (인하대학교) (인하대학교) (과학기술연합대학원대학교)
저널정보
한국유체기계학회 한국유체기계학회 논문집 한국유체기계학회 논문집 제21권 제4호(통권 제109호)
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피인용 11

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    초록·키워드

    This paper presents the multi-objective optimization of a single-channel pump for wastewater treatment to simultaneously improve the hydraulic efficiency and reduce the unsteady radial force source caused by the impeller-volute interaction. The optimization was carried out by using a hybrid multi-objective evolutionary algorithm coupled with response surface approximation. For analyzing the internal flow in the single-channel pump, steady and unsteady Reynolds-averaged Navier-Stokes equations were solved with the shear stress transport turbulence model as a turbulence closure model. Five design variables related to the internal flow cross-sectional area of the impeller and volute were selected to optimize concurrently the two objective functions with the hydraulic efficiency and the resultant force of the unsteady radial force caused by the impeller-volute interaction. The results of the multi-objective optimization showed the representative arbitrary optimum design considerably enhanced the efficiency and reduced the resultant force of the unsteady radial force caused by the impeller-volute interaction simultaneously, compared to the reference design.

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      UCI(KEPA) : I410-ECN-0101-2018-554-003343895