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김영범(Y.B Kim),장훈(H Jang),윤인식(I.S. Yoon),강영미(Y.M. Kang) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
Under localization developing for the control valve of the safety grade Q Class 1 which is established in the atomic power plant followed ASME Code and important parts (Body, Yoke, Bonner, Actuator) design and produced. In order to verify this analyzed the earthquake stress of AOV. AOV the above of 33㎐ occurred from first mode, the earthquake stress occurred from inside the yield strength of the material.
김영범(Y. B. Kim),권갑주(K. J. Kwon),윤인식(I. S. Yoon),이상민(S. M. Lee),장훈(H. Jang),강영미(Y. M. Kang),김상표(S. P. Kim),박종선(J. S. Park) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
In domestic industry, more than 95% of high temperature and pressure control valves are being imported and particularly, all of the AOV actuators for nuclear power plants are being imported. There is, therefore, an urgent need to localize them. As a part of the effort for localization, System Design and Development (SDD) designed and manufactured main components of Q Class control valve for nuclear power plants such as body, yoke, bonnet, and actuator based on ASME code. In this study, seismic qualification was performed for the AOV actuator to validate integrity. The fundamental frequency of the equipment was identified through analysis and operating basis earthquake (OBE) and safe shutdown earthquake (SSE) test was performed according to the requirements of IEEE 344 (1987) and 382 (1996).
윤인식(I.S Yoon),김영범(Y.B Kim),장훈(H Jang),황지혁(J.H Hwang),강영미(Y.M Kang) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
AOV is fluid capacity and fluid pressure control in nuclear power plant with heating power plant. The control valve in order channel to control a high differential pressure developed in the form which is complicated and precise control form. From the research which sees in order description below analyzed the performance comparison which follows in trim forms of the control valve with CFD. The Result, multi-stage trim are a fluid kinetic energy small will prevent damages of AOV.
직교배열표와 연성해석을 이용한 Butterfly Vlave의 형상 최적설계
박영철,강영미,강진,이영훈,오승환 東亞大學交附設 生産技術硏究所 2005 生産技術硏究所硏究論文集 Vol.10 No.-
Valves have been widely used in today's industry to control the fluid flow. Fluid flow efficiency is quite sensitive to the inner structure of valve. Therefore, a structural optimization is required to minimize flux loss. Field analysis method from CFD (Computational Fluid Dynamics) is used to structure analysis in this study. The stability of valve is evaluated using FEM (Finite Element Method) and CFD (Computational Fluid Dynamics). Also shape optimization is accomplished using the orthogonal arrangement and characteristic function. Experimental result shows good coincidence to numerical analysis results.