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김정석(J. S. Kim),이권재(K. J. Lee),백대성(D. S. Back),이상재(S. J. Lee),한화택(H. T. Han),이인복(I. B. Lee),한건수(G. S. Han) 대한설비공학회 2010 대한설비공학회 학술발표대회논문집 Vol.2010 No.11
In the present study, the performance of the heat-pump using EES program has been compared with the experimental data of cooling, heating and defrosting conditions. The performance of the heat pump was measured by the calorimeter of an air enthalpy method. At the cooling, heating and defrosting conditions, the EES data of the capacity, the input power and COP were satisfied within 5% with those of the experimental data. The EES program developed in this study was found to use for the performance estimation of the heat pump.
김정석(J. S. Kim),서승일(S. I. Seo),김일겸(I. G. Kim),강동훈(D. H. Knag),임재용(J. Y. LIM),김정국(J. G. Kim) 한국도시철도학회 2014 한국도시철도학회논문집 Vol.2 No.3
A prototype for a personal mobility device was developed. The personal mobility device was designed to have its basic functions such as driving, braking and steering and the operation test was performed on real road based on asphalt. Performance assessment included maximum speed, charge retention capacity, maximum climbing angle, and etc. The experimental data, performance results of a prototype, reported here can help improving its performance and reducing efforts on the development processes of an enhanced device with passenger safety and transportability.
Populus × alba glandulosa에 있어서 peroxidase 同位酵素의 遺傳
C.S. KIM(金鼎錫),Y.G. PARK(朴龍求),S.S. KIM(金三植) 한국육종학회 1980 한국육종학회지 Vol.12 No.3
The genetics of two peroxidase isozyme loci (Px-A, Px-B) in Populus alba×glandulosa were studied by starch gel electrophoresis. Three alleles(Bl, B2, B3) were found at Px-B locus. But Px-A locus was found to be operating two alleles A1 and A2 by regulating two dominant alleles R/r. Data are presented demonstrating that the A1 and B3 are related to repulsion.
人爲 4倍體와 2倍體아까시나무에 있어서 Isoperoxidase의 活性度
C. S. Kim(金鼎錫),S. K. Lee(李錫求),Y. G. Park(朴龍求) 한국육종학회 1973 한국육종학회지 Vol.5 No.2
The great variation of isoperoxidase band patterns in leaves and seedlings of R. pseudoacacia was observed among diploids and tetraploids, and within tetraploid individuals. There was no relation among the five phenotype in the isozyme band patterns of tetraploid. On the other hand, the closed fertilization might not be always brought out in R. pseudoacacia by judging from the variation of isoperoxidase banding patterns on the zymogram of the progenies of a parent.
전기점화 다중분사(MPI) 기관의 흡,배기계 최적 설계에 관한 연구
이재순(J.S.Lee),이성관(S.G.Lee),김준형(J.H.Kim),이성두(S.D.Lee),김정석(J.S.Kim),윤건식(K.S.Yoon) 한국자동차공학회 1994 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this study, a computer program has been developed which predicts the engine performance characteristics by the analysis of the flow in the intake and exhaust manifold and the cylinder combustion calculation for the MPI spark ignition engines. For the flow calculation, the methods of characteristics has been used and for the calculation in the cylinder, the various combustion models have been used.<br/> Using this program, a study for the optimal design of intake system has been carried out by varing the plenum chamber volume and the both lengths of the pipe which compose the pipe from surge tank to plenum chamber and that from plenum chamber to cylinder.<br/> The experimental work has been pursued to get the pressure variations in both manifold and cylinder and volumetric efficiency. The result of simulation have been compared with that of experimential work and the optimal design data for the experimental engine could be found.<br/>