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이종남,김광배 ( Jong Nam Lee,Kwang Bea Kim ) 한국주조공학회 1982 한국주조공학회지 Vol.2 No.1
N/A In order to investigate the relationship between the thermal characteristics of the various molds as green sand mold, dry sand mold, CO₂ mold and shell mold, and the solidification characteristics of molten metal, the thermal analysis of rarious molds and melt were performed. The structure of Al-Castings was a/so observed. Results obtained in this experiment were as follows : 1) The heating rate of the molds was increased in the order of green sand mold, CO₂ mold, dry sand mold and shell mold, On the other hand the solidification time of the melts was shortened in the order of dry sand mold castings, CO₂mold castings, green sand mold castings and shell mold castings. 2) The arrest temperature period in the heating curve of the green sand mold was resulted from the eraporation of moisture contained in mold, which was tranafered to the outer side of the mold. 3) The temperature fluctuation of the melt in the shell mold was considered to be resulted from the combution heat of resin contained in the mold. 4) The amounts of heat absorption of the molds were increased in the order of dry sand mold, CO₂mold, green sand mold and shell mold. 5) The higher the solidification rate was, the longer was its shrinkage pipe and the finer its grain size.
고랭지 착색단고추의 여름재배시 유인방법에 따른 생산성과 품질
이종남(Jong Nam Lee),이응호(Eung Ho Lee),임주성(Ju Sung Im),권영석(Young Seok Kwon),장석우(Suk Woo Jang),용영록(Young Rok Yong) (사)한국생물환경조절학회 2008 시설원예‧식물공장 Vol.17 No.3
본 실험은 여름작형 착색단고추의 낮은 플라스틱연동하우스 재배시 유인방법 에 따른 수량 및 품질을 비교하고자 실시하였다. 유인방법은 직립과 경사유인이었고, 과실은 6월부터 11월까지 한달 간격으로 수량, 평균과중, 과육두께, 당도, 경도, 과형, 심실수 등을 조사하였다. 상품수량은 6월에 가장 많았으며, 직립유인이 경사유인보다 더 많았다. 6월의 평균과중은 경사유인이 232g으로 직립유인보다 26g 더 무거웠으나, 7월 이후 직립유인이 경사유인보다 더 무거웠다. 과육두께는 직립유인이 경사유인보다 두꺼웠다. 당도는 온도가 낮아질수록 높아졌으며, 직립유인이 경사유인보다 더 높았다. 직립유인의 과형은 수확시기에 따른 차이를 보이지 않았다. 직립유인의 심실수는 3.27~3.34개로 수확기에 따른 차이를 보이지 않았다. This experiment was conducted to analysis the fruit quality according to training method under low plastic film greenhouse cultivation on sweet pepper (Capsicum annuum cv Special) during summer culture. Training treatments were upright training and inclination training, the fruits were examined and analysed with a month interval from June to November on productivity, fruit weight, flesh thickness, contents of soluble solids, hardness, shape, and locules. Productivity per month was the highest on June, upright training harvested more than inclination training. Fruit weight of inclination training on June was 232 g which was higher than 26 g of upright training, but upright training was heavier than inclination training after July. Flesh thickness of upright training was thicker than inclination training. Soluble solids content increased with the decrease of temperature, upright training was higher than inclination training. The fruit shape of upright training was not significant according to harvesting date. The number of locules of upright training was 3.27~3.34, and it was not significant according to harvesting date.
이종남(Jong-Nam Lee),장강원(Gang-Won Jang),이신영(Sin-Young LEE) 한국생산제조학회 2006 한국공작기계학회 춘계학술대회논문집 Vol.2006 No.-
In this work, the vibration of an automobile exhaust system is measured by using a recently-developed magnetic sensor. The magnetic sensor is composed of a solenoid and two pairs of permanent magnets generating an antisymmetric magnetic field in the lateral direction inside the solenoid. Lateral movement of a ferromagnetic pipe inside the magnetic field of the suggested sensor induces an electromotive force in the solenoid corresponding to the lateral velocity of the pipe. Due to the simplicity and non-contact characteristics of the magnetic sensor, dynamic behaviors of the structures operating under high temperature such as an exhaust pipe can be efficiently observed. It is shown that the lateral vibration of the exhaust system can be successfully measured by the suggested sensors. The Campbell diagram of the exhaust system is plotted to examine the vibration characteristics of the exhaust system.
이종남(Jong Nam Lee),이응호(Eung Ho Lee),이준구(Jun Gu Lee),류승열(Seung Yeol Ryu),용영록(Yeoung Rok Yong),박한영(Han Young Pak) (사)한국생물환경조절학회 2005 생물환경조절학회지 Vol.14 No.4
본 실험은 고랭지에서 사계성딸기의 고설벤치식 양액재배시 묘의 생산 및 저장방법에 따른 생육 및 수량을 비교하고자 실시하였다. 처리는 주냉장묘, 노지월동묘, 폿트냉장묘와 1년생묘였다. 정식시 묘의 생육량은 폿트냉장이 가장 많았다. C/N율은 1년생이 19.5로 가장 낮았고, 폿트냉장은 39.2로 가장 높았다. 그러나 첫 수확기의 생육량은 처리 간에 큰 차이를 보이지 않았다. 1년생의 첫 수확시기는 다른 처리에 비해 5~9일 늦었다. 1년생의 평균과중은 12.6g 으로 가장 무거웠다. 상품수량은 폿트냉장이 가장 많았고, 1년생, 주냉장, 노지월동 순으로 많았다. 따라서 고랭지에서 단경기생산을 위한 사계성 딸기의 정식묘는 폿트냉장이 가장 좋았다. The growth and yield of ever-bearing strawberry (Fragaria × ananassa Duch.) 'Pechika' were compared after transplant treatment in the raised hydroponic culture on highlands in summer season. The transplant production methods compared were whole plant refrigerated, outdoor over-wintered, pot-refrigerated, and 1-year-old transplants. Growth increment at planting was the highest in pot-refrigerated transplants. C/N ratio of the pot-refrigerated transplants was 39.2 which was higher than 19.5 of 1-year-old transplants. However, the growth increment up to the first harvest were not different among the treatments. The first harvesting date of 1-year-old transplants was August 14, which was 5-9 days late than in the other treatments. The average fruit weight was highest in the 1-year-old transplants with 12.6 g. Marketable yield was the highest in the pot-refrigerated transplants, followed 1-year-old, plant refrigerated, and outdoor over-wintered transplants. Therefore, the pot-refrigerated transplants are recommended for marketable yield increase in ever-bearing strawberry cultured on highlands.