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안준태 ( An Jun Tae ),홍성진 ( Hong Seong Jin ),박상일 ( Park Sang Il ),송흥섭 ( Song Heung Seob ),김법종 ( Kim Beob Jong ),김문홍 ( Kim Mun Hong ),최석철 ( Choe Seog Cheol ),유상영 ( Yu Sang Yeong ),이경희 ( Lee Gyeong Hui ),이 대한산부인과학회 2004 Obstetrics & Gynecology Science Vol.47 No.1
In endometrial cancer, the risk of metastasis to bone seems to be rare. We describe the clinicopathologic features of a rare case of endometrial endometrioid adenocarcinoma presenting as a metastasis to the ischium in a 37-year-old premenopausal woman. Th
이삼미 ( Lee Sam Mi ),안준태 ( An Jun Tae ),박상일 ( Park Sang Il ),신혜림 ( Sin Hye Lim ),김법종 ( Kim Beob Jong ),김문홍 ( Kim Mun Hong ),최석철 ( Choe Seog Cheol ),이경희 ( Lee Gyeong Hui ),박선후 ( Park Seon Hu ) 대한산부인과학회 2003 Obstetrics & Gynecology Science Vol.46 No.12
Adenoid basal carcinoma of the uterine cervix is rare tumors that have often been regarded as a single entity. 14 cases with adenoid basal carcinoma of the uterine cervix have been reported in the literature. We experienced a case of 36-year female with a
배기가스 세정장치내 유체 유동에 대한 다공성 매질 적용 기반의 전산해석적 연구
홍진표(Jin-pyo Hong),윤상환(Sang-hwan Yoon),윤현규(Hyeon-kyu Yoon),김래성(Lae-sung Kim),안준태(Jun-tae An) 한국기계가공학회 2022 한국기계가공학회지 Vol.21 No.2
Exhaust gases emitted from internal combustion engines contain nitrogen oxides (NOx) and sulfur oxides (SOx), which are major air pollutants causing acid rain, respiratory diseases, and photochemical smog. As a countermeasure, scrubber systems are being studied extensively. In this study, the pressure drop characteristics were analyzed by changing the exhaust gas inflow velocity using a scrubber for a 700 kW engine as a model. In addition, the fluid flow inside the scrubber and the behavioral characteristics of the droplets were studied using CFD, and the design compatibility of the cleaning device was verified. Flow analysis was performed using inertial and viscous resistances by applying porous media to the complex shape of the scrubber. The speed of the exhaust passing through the outlet nozzle from the inlet was determined through the droplet behavior analysis by spraying, and the flow characteristics for the pressure drop were studied. In addition, it was confirmed through computational analysis whether there was a stagnation section in the exhaust gas flow in the scrubber or the sprayed droplets were in good contact with the exhaust gas.
Jin-pyo Hong(홍진표),Sang-hwan Yoon(윤상환),Hyeon-kyu Yoon(윤현규),Jung-Tae Kim(김정태),Jun-Tae An(안준태) 한국기계가공학회 2021 한국기계가공학회지 Vol.20 No.8
Gears, which rotate and transmit power by interlocking two cogwheels, were invented in BC. They have been used in various systems, including industrial machinery, transportation devices, and living facilities, through the industrial revolution. Regardless of how they are used, gears are a major source of noise and vibration. Many effective measures are being taken to reduce the radiation noise generated from gears, most commonly by lubrication. Lubrication in gear units reduces friction on interlocking gear surfaces, dampening radioactive noise. This can be very useful for quiet gear design if these lubricating damping effects can be reflected in the analytical phase for gear design. This study experimentally confirms the properties of lubricated and non-lubricated radioactive noise by designing a decelerator gearbox and analyzing the radioactive noise characteristics by torque, rotation, and the number of gears using computer analysis.