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Numerical and Experimental Studies on Air Humidification by Water Sprays
Abhilash Suryan,이중근(J. K. Lee),윤용관(Y. K. Yoon),김동선(D. S. Kim),김창기(C. K. Kim),김희동(H. D. Kim) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
Water sprays are employed in the humidification of air in a large number of practical engineering applications. The method of fogging and characteristics of water droplets vary depending on the requirements of a given application. Present work investigates the process of air humidification with water sprays from fog nozzles for inlet fogging applications. CFD simulation of an air humidification process is done using available experimental data for fog nozzles. Experiments are carried out on a long air duct to validate the CFD findings. Amount of cooling obtained is determined experimental measurements and the evaporation of droplets is studied with flow visualization. The experimental and numerical results obtained are found to match well with each other.
이창홍 ( Chang Hong Lee ),이중근 ( C. K. Lee ),장재헌 ( J. H. Chang ) 대한내과학회 1971 대한내과학회지 Vol.14 No.2
Authors report a case of uncommon connective tissue disorder, polymyositis. Polymyositis, more accurate terminology of dermatomyositis without skin manifestation, is characterized by progressive muscular weakness with various rheumatoid manifestation, freq
腸티브스에 對한 Bactrim^(�) 治療의 臨床的 觀察
金大河,李重根,李昌弘,李宰燮,魯炳鎬 최신의학사 1971 最新醫學 Vol.14 No.1
The Present study was carried out in order to evaluate the therapeutic effect of Bactrim in 23 selected patients with typhoid fever who were admitted to the Department of Internal Medicine, Seoul National University Hospital during the 5 months period from March to July, 1970. They consisted of 14 males and 9 females. The age was ranged from 16 to 57 years, with mean age of 34.2. The patients included were bacteriologically (positive blood or stool culture) and serologically (Widal reaction above 1:160 in titer) confirmed cases and they did not take any antibiotic prior to admission. Bactrim was given orally 4 tablets daily in 2 divided doses for 14 days. Baseline studies including complete blood counts, urinalysis, stool examination, tests for bleeding tendency, liver function tests and bacteriologic sensitivity tests were done before administration of the drug and they were repeated at intervals 3 to 4 times thereafter by the time of discharge. E. K. G was also checked before and after treatment. Bactrim was effective in 21 (91.3%) out of 23 patients and the duration of fever after treatment was ranging from 3 to 7 days in responded cases. Treatment failure was considered to occur if fever did not subside within 10 days after initiation of therapy. There were 2 treatment failures. Two cases of relapse and one case of side reaction of the drug were noted in this study.
Ku band용 초전도 마이크로스트립 안테나의 제작 및 특성 해석
정동철,이중근,김민기,박성진,황종선,한병성 전북대학교 공업기술연구소 1998 工學硏究 Vol.30 No.-
In this paper, a comparative study between superconducting microstrip antennas and gold antennas is reported in terms of the return loss, the characteristic impedance, efficiency and other various characteristics. HTS thin films used in this work were fabricated on YBa_2Cu_3O_7-x(YBCO)/MgO substrate. Superconducting microstrip antennas used in this work is that the feed line was directly inset a microstrip transmission line into 50 Ω region of the radiating patch. Measurements from HTS antennas and gold antennas showed that usable antennas could be made by using this architecture.