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이형돈(Hyung-Don Lee),배형섭(Hyung-Sub Bae),이육형(Yuk-Hyung Lee),박명관(Myeong-Kwan Park) 제어로봇시스템학회 2011 제어·로봇·시스템학회 논문지 Vol.17 No.9
This paper presents development of flow control valve using MR fluid. Generally, since the apparent viscosity of MR fluids is adjusted by applying magnetic fields, the MR valves can control high level fluid power without any mechanical moving parts. In this paper, flow control valve using MR fluid on the behavior of the magnetic field influence on the numerical analysis of more accurate electromagnetic parameters were obtained, even if when magnetic field apply inside of surrounding MR fluid from electromagnet, more realistic designing way analysis of characteristic of whole magnetic field distribution is suggested by surrounding magnetic material. Also, comparison of flow rate inlet and outlet, behavior of MR fluid in experiments proposed. A new type of flow control valve using MR fluid is proposed by analysis of behavior of MR fluid in experiments.
사간탕이 중추신경계, 순환기계 및 간독성에 미치는 작용
홍남두(Nam Doo Hong),배형섭(Hyung Sub Bae),노영수(Young Soo Rho),김남재(Nam Jae Kim),김진식(Jin Sik Kim) 한국생약학회 1989 생약학회지 Vol.20 No.3
Experimental studies were conducted to investigate the effect of Sagan-Tang on analgesic, sedative, antipyretic, isolated ileum and blood vessel and so on. The results of this investigation were summarized as follows; Analgesic action by the acetic acid stimulating method in mice were recognized. Prolonging action against the hypnotic duration induced by thiopental-Na was noted in mice. Antipyretic effect in typhoid vaccine febrile rats was recognized. Spontaneous motility of the isolated ileum of mice was suppressed and contractions of the isolated ileum of mice and guinea-pig induced by accetylcholine chloride, barium chloride and histamine were remarkably inhibited. Vaso-diating and hypotensive actions were recognized in rabbits. GOT and GPT activities in the serum of rats damaged by CCl₄ and galactosamine were decreased remarkably.
중풍(中風) 환자(患者)의 피부(皮膚) 소양증(瘙痒症)에 소풍산(消風散) 투여(投與) 2례(例)
김태경,김정열,강경숙,류순현,배형섭,최요섭,Kim, Tai-Kyung,Kim, Jung-Yul,Kang, Kyung-Suk,Ruy, Soon-Hyun,Bae, Hyung-Sub,Choi, Yo-Sub 대한한방내과학회 2002 大韓韓方內科學會誌 Vol.23 No.2
Pruritus is [CHECK DEFN] itchy feeling of one's skin. We often face stroke patients who complain about Pruritus. They occasionally fail to fall asleep or have a secondary infection as a result of scratching. For these reasons, severe Pruritus brings down general condition and interferes with recovery. The causes of Pruritus are distributed to from skin diseases and from internal diseases. Especially among the skin diseases, Xerotic Eczema, which is called Senile Eczema causes the dry skin in the elderly, especially lower limb's extensor part. According to the epidemiology, 20% of the old have Xerotic Eczema. In oriental medicine, Pruritus is called Pungsoyang(風瘙痒), Pungyang(風痒), Yangpung(痒風), Sinyang(身痒). The cause of Pruritus is divided into two. One is endogenous factors and the other is exogenous factors. The former are deficiency of blood(血虛), blood fever(血熱), wind-heat due to internal damage(內傷風熱), damp-heat in the liver and gallbladder(肝膽濕熱), endogenous wind stirring in the liver(肝風內動), deticiency syndrome of the spleen(脾虛), deficiency of Yin of the liver and kidneys(肝腎陰虛) and deficiency of the Penetration and Conception Vessels(衝任不足). The latter are wind-cold due to exogenous affection(外感風寒) and wind-heat due to exogenous affection(外感風寒). We report two stroke patients who complained of severe Pruritus They were diagnosed as having Xerotic Eczema by a dermatologist. We regarded their Pruritus as blood fever(血熱) and wind-heat(風熱) and prescribed Sopung-San to these patients. These patients showed significant improvement.
지진 토모그래피를 이용한 한반도의 과거진원지역의 특성 연구
김소구(So Gu Kim),배형섭(Hyung-Sub Bae) 대한자원환경지질학회 2006 자원환경지질 Vol.39 No.2
한반도의 3차원적인 지각구조와 진원의 특성을 P파와 S파의 주행시간 토모그래피 기법을 이용하여 연구하였다. 이 연구의 주요 목적은 진원, 분지 및 심부 구조지역에서의 Vp/Vs 비율의 이상 대를 찾기 위함이다. 이것은 한반도의 보다 세부적인 지진 구조력 데이터의 예측을 고려했다. 지진 토모그래피를 이용한 본 연구의 결과에서 진원에서의 높은Vp/Vs 비율의 차이를 수직성분에서 찾을 수 있었다. 퇴적 분지와 추가령 구조곡 아래에서 높은 Vp/Vs 비율이 나타났다. 이는 마그마 분출 후 마그마가 고체화되고, 원생수(connate water)로 포화된 여러 파쇄대와 단층에 의한 것으로 추정되어진다. 대부분의 진원에서 높은 Vp/Vs 비율 차이(VRD)를 찾을 수 있었으며, 영월, 경주, 홍성, 대흥, 대관, 랑님 지진의 경우 상부지각에서 속리산, 사리원, 지리산 지진 등은 하부지각 또는, 모호 불연속면 근처에서 나타났다. 특히 대관, 대흥 및 운산에 있는 온천 지역과 높은 VRD가 일치함을 볼 수 있었다. 이것은 또한, 이 지역 하부지각에 용융체(partial melting)의 존재 가능성을 시사한다. 높은 Vp/Vs 비율 차이(VRD)는 단층과 파쇄대에 존재하던 액체(connate water)가 지진발생 후 탈수화 작용(dehydration)이 발생하여, 강성률이 감소함을 나타낸다. 이러한 것은 진원이 부피의 변화, 전단 파쇄대(shear fracture), 강성률(rigidity)의 변화를 포함하는 모멘트 텐서(moment tensor) 에의해 표현된다는 사실에 기인 한다는 것이다. 높은 Vp/Vs 비율의 차이(VRD)는 또한, 백두산의 40 km 깊이 아래에서 찾을 수 있는데 이는 강성률을 감소시키는 마그마 방(magma chamber)가 존재함을 암시해준다. Three dimensional crustal structure and source features of earthquake hypocenters on the Korean peninsula were investigated using P and S-wave travel time tomography. The main goal of this research was to find Vp/Vs anomalies at earthquake hypocenters as well as those of crustal structure of basins and deep tectonic settings. This allowed for the extrapolation of more detailed seismotectonic force from the Korean peninsula. The earthquake hypocenters were found to have high Vp/Vs ratio discrepancies (VRD) at the vertical sections. High Vp/Vs ratios were also found in the sedimentary basins and beneath the Chugaryong Rift Zone (CRZ), which was due to mantle plume that subsequently solidified with many fractures and faults which were saturated with connate water. The hypocenters of most earthquakes were found in the upper crust for Youngwol (YE), Kyongju (KE), Hongsung (HE), Kaesong (KSE), Daekwan (DKE), and Daehung (DHE) earthquakes, but near the subcrust or the Moho Discontinuity for Mt. Songni (SE), Sariwon (SRE) and Mt. Jiri (JE) earthquakes. Especially, we found hot springs of the Daekwan, Daehung and Unsan regions coincide with high VRD. Also, this cannot rule out the possibility that there are some partial meltings in the subcrust of this region. High VRD might indicate that many faults and fractures with connate water were dehydrated when earthquakes took place, reducing shear modulus in the hypocenter areas. This is can be explained by due to the fact that a point source which is represented by the moment tensor that may involve changes in volume, shear fracture, and rigidity. High Vp/Vs ratio discrepancies (VRD) were also found beneath Mt. Backdu beneath 40 km, indicating that magma chamber existed beneath Mt. Backdu is reducing shear modulus of S-wave velocity.
여러가지 자기장 배치 기법에 따른 자성유체 속도 및 압력 분포에 관한 수치해석적 연구
송준호(Joon-Ho Song),이육형(Yuk-Hyung Lee),배형섭(Hyung-Sub Bae) 한국기계가공학회 2008 한국기계가공학회지 Vol.7 No.2
In this paper, we analyzed the dynamic behavior of magnetic fluid in a circular pipe with multiple permanent magnets. Magnetic fluid react on magnetic field against the normal fluid. In other words, magnetic fluid flow has the electromagnetism and fluid mechanics. So magnetic fluids has studied about the fluids properties and experiment. In this paper we studied the magnetic fluids velocity and pressure distribution for the novel type actuator. Because the velocity and pressure distribution is the important element of the magnetic fluids flow. First, we analyzed the Maxwell equation for the multiple permanent magnet and then concluded the governing equations for the magnetic fluid flow using the equation of Navier-Stokes. And, we simulated the dynamic behavior of magnetic fluid flow using the FEM(Finite Element Method). And we illustrated the relation between magnetic field and dynamic behavior of magnetic fluid flow.