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가정 자로법을 이용한 솔레노이드 액추에이터의 설계에 관한 연구
윤소남(S. N. Yun),정황훈(H. H. Jeong),박중호(J. H. Park),임병주(B. Z. Lim),정경열(K. Y. Chung) 유공압건설기계학회 2011 유공압건설기계학회 학술대회논문집 Vol.2011 No.6
This Paper is concerned about the probable flux path method to set up the guide line for the design of a solenoid actuator. the design of a solenoid actuator is very important part in the solenoid valve because a performance of solenoid valve is decided with a charateristics of solenoid actuator. The probable flux path method is the most useful method that designs a solenoid actuator even if has lots of error between real actuator and computed one. In this study, the author tries to improve the probable flux path method with modified assumption. For this purpose, the optinal solenoid valve is selected and the attraction force is computed with the FEM program and probable flux path method at the solenoid actuator. After that, another computation has made by modified assumption. Finally, the results is used to compare each others and that can confirm the modified assumption"s utility.
김석준(S.J. Kim),김욱중(O.J. Kim),이정호(J.H. Lee),최항석(H.S. Choi),정경열(K.Y. Jeong),이성수(S.S. Lee),이종훈(J.H. Lee),김성민(S.M. Kim) 한국연소학회 2010 KOSCOSYMPOSIUM논문집 Vol.- No.40
Domestic gas boilers with high thermal efficiency and low concentration of CO and NOx in exhaust gas were developed in cooperation with several research institutes, universities, and companies. Integration and performance test results of the boiler systems will be presented in this paper, on the other hand development results of core parts like burners, heat exchangers and blowers in the boilers in others. The results showed both developed boilers with rectangular or cylindrical type of heat exchanger satisfied project objectives of thermal efficiency over 90% (SEDBUK, class A), NOx concentration of 50 ppm, and CO concentration of 40 ppm.