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윤소남,김찬용,함영복,윤석진,이경우,Yun, So-Nam,Kim, Chan-Yong,Ham, Young-Bog,Yoon, Seok-Jin,Lee, Kyung-Woo 한국세라믹학회 2005 한국세라믹학회지 Vol.42 No.11
Gas valve for domestic use is used for flow control of LPG (Liquefied Petroleum Gas) or LNG (Liquefied Natural Gas) of which pressure is about $200\;mmH_{2}O(\fallingdotseq0.0196\;[bar])$. Currently, two kinds of valves such as rotary type and button type are widely used in many applications. But, these valves have some problems that they are not controllable and reliable. Piezo actuation combined with modem microelectronics provides a reliable, quiet, low energy, infinitely adjustable gas valve. In this paper, gas valve using piezo actuator which are bimorph and a circle type was studied. Also, Prototype for gas valve was manufactured and characteristics of the prototype gas valve were analyzed.
윤희성(Hee Sung Yoon),황인성(In Sung Hwang),고창섭(Chang Seop Koh),김동수(Dong Soo Kim),윤소남(So Nam Yun) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
DC솔레노이드 밸브의 성능을 나타내기 위해 여러 가지 중요한 파라메터들이 존재한다. 최소 혹은 최대 스트로크 시의 흡입력, 온도상승, 소비전력 그리고 동작시간 등이 있다. 본 논문에서는 동작시간을 최소화시키기 위해 반응표면법을 이용하여 DC솔레노이드 밸브의 형상 최적화를 수행하였고 그 결과를 유한요소법을 이용하여 검증한다.
반응표면법을 이용한 최소동작시간을 갖는 DC 솔레노이드 밸브의 형상 최적 설계
尹熙盛(Hee Sung Yoon),黃仁聖(In Sung Hwang),金東洙(Dong Soo Kim),尹蘇南(So Nam Yun),高彰燮(Chang Seop Koh) 대한전기학회 2006 전기학회논문지 B Vol.55 No.9
In general, a DC solenoid valve is evaluated by the performances such as the attraction force at maximum and minimum strokes, temperature rising, power consumption and time of action. The importance of each performance may be different according to the specific application purpose. When the temperature rising and power consumption are fixed, however, the performance of DC solenoid valve is usually evaluated by the attraction force at maximum and minimum strokes and time of action. In this paper, the shape of the pole face of plunger and core is optimized to increase the attraction force at maximum stroke, and thereby to minimize the time of action. For the shape optimization, (1+1) evolution strategy is incorporated with the response surface method(RSM) and finite element method(FEM).
장성철(Sung-Cheol Jang),김재웅(Jae-Woong Kim),윤소남(So-Nam Yoon),박중호(Joong-Ho Park),함영복(Young-Bok Ham),김정식(Jung-Sik Kim),김당주(Dang-Joo Kim),최영환(Young-Hwan Choi) 한국생산제조학회 2011 한국생산제조시스템학회 학술발표대회 논문집 Vol.2011 No.4
This study have goal with conceptual design for offshore Structures of high pressure drop control valve for localization. Numerical simulation using CFD(Computational Fluid Dynamic) in order to predict a mass flow rate and a flow coefficient form flow dynamic point of view. The working fluid assumed the glycerin(C3H8O3). Relation with flow and flow coefficient can not be proportional according to inlet pressure when compare with mass flow rate. Because flow coefficient have influence in flow and pressure difference. The structural analysis used ANSYS which is a commercial code. Stress analysis result of internal pressure in valve showed lower than yield strength. This is expect to need more detail design and verification for stem and seat structure.
원전적용을 위한 프로세스용 솔레노이드밸브의 구조적 건전성과 작동성 평가
김칠성(Chil Sung Kim),김정환(Jeong Hwan Kim),이준영(Jun Young Lee),윤동원(Dong Won Yoon),윤소남(So Nam Yoon),정규홍(Kyu Hong Jeong) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.6
The purpose of this study is to evaluate the structural integrity and the operability of the solenoid valve that is safety related equipment and active equipment for nuclear power plant piping system. To do this, the solenoid valve was designed per the requirement of ASME Code Section Ⅲ Subsection NB is performed the functional qualification test in accordance with ASME QME-1 and the modal/structure/thermal stress analysis using ANSYS finite element code.