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이상 시의 4차원 시공간 설계 및 건축 : 「삼차각설계도」와 「건축무한육면각체」의 연결, 그리고 차원 확장
오상현 ( Oh¸ Maverick S. H. ),이수정 ( Lee¸ Soo-jong ) 한국어문학국제학술포럼 2021 Journal of Korean Culture Vol.54 No.-
This paper is a trial to establish the foundation of more concrete and coherent understanding of two series poems of Yi-Sang, Three-Dimensional Angle Blueprint(삼차각설계도, 三次角設計圖,) and Building Infinite Hexahedral-Angle Bodies(건축무한육면각체, 建築無限六面角體). Yi-Sang, based on his understanding on contemporary physics theories, wrote about his attempt to design and build arbitrary four-dimensional bodies on the poems. He coined and used the terms ‘three-dimensional angle’ and ‘hexahedral-angle body’. In this paper, it is explained that a three-dimensional angle is the set of three angular values from expressing the physical position of an object in four-dimensional space using the hyperspherical coordinate system, and a ‘hexahedral angle’ is the hyper-solid angle calculated from the integration of a three-dimensional angle as well as the angle made with six intersecting planes. Also, it is shown that a body that has n vertices and corresponding hexahedral angles can be called as n-hexahedral-angle body, which is followed by the notion that an ‘infinite-hexahedral-angle body’ is an arbitrary body in the four-dimensional space. On top of that, the dimension expansion that appears in Memorendum on lines 1 and AU MAGASIN DE NOUVEAUTES is covered. Summary video: https://youtu.be/hoH1GrumJ58
오상현(S.H.Oh),김광헌(G.Gim) 한국자동차공학회 1998 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1998 No.5_2
This paper presents a study identifying the mechanism of vehicle pull. There are given two requirements which should be considered before a pull test. For the purpose of classifying the characteristic parameters of a vehicle and a should be considered before a pull test. For the purpose of classifying the characteristic parameters of a vehicle and a tire, a new concept of a left-right balance and a system balance is introduced. The parameters affecting the left-right balance consist the load, camber, toe, and torque-steer of a vehicle and the inflation pressure, conicity and dynamic loaded radius of a tire. The system balance can be achieved using suspension caster and tire PRAT. It is shown a schematic picture connecting vehicle RAT to tire conicity and PRAT as wall as the importance of suspension parameters to eliminate vehicle pull.<br/>
마이크로웨이브를 이용한 소성로의 성능 특성에 관한 연구
김성일(S. I. Kim),전원표(W. P. Chun),박기호(K. H. Park),오상현(S. H. Oh),이현구(H. G. Lee) 대한기계학회 2020 대한기계학회 춘추학술대회 Vol.2020 No.12
In this paper, we investigated the heating characteristics of ceramic dielectric susceptor under various test conditions using microwave energy. Microwave sintering furnace for temperature increasing characteristics of ceramic dielectric susceptor was manufactured and its performance test was conducted. A multi-mode type cubic applicator was used, and a magnetron which generates output of 25kW and operates at a 915MHz was equipped in this microwave furnace. The effect on the temperature increasing characteristics according to the microwave power and the change of the operating conditions of test samples was analysed experimentally. As a result, we have obtained basic design data for high temperature microwave sintering furnace.
유전발열체를 이용한 마이크로파 가열로의 승온 특성에 관한 연구
전원표(W. P. Chun),김성일(S. I. Kim),박기호(K. H. Park),오상현(S. H. Oh),유병혁(B. H. You),이현구(H. G. Lee) 대한기계학회 2019 대한기계학회 춘추학술대회 Vol.2019 No.11
Microwave heating is a process in which the materials couple with microwave, absorb the electromagnetic energy volumetrically, and transform it into heat. This heating mechanism is advantageous to rapid heating rates, uniform heating, selective energy absorption, high efficiency and reduced costs. This paper presents a review of microwave heating application furnace Based on the results of this experiment, we plan to use it as design data for a 75㎾ microwave furnace. The abstract should be written Since the abstract is a shortened version of the paper, it should include the introduction, the main body, and the conclusion with the important ideas or contributions emphasized.