진공단열재(VIP)를 활용한 일체형 외단열시스템

류성룡,송승영 한국지열에너지학회 2013 지열에너지저널 Vol.9 No.1

원불교의 사회교육에 대한 고찰

류성룡 圓光大學校 圓佛敎學硏究會 1991 圓佛敎學硏究 Vol.21 No.-

多包건축의 귀포 形式 變遷에 관한 硏究

류성룡 대한건축학회 2006 대한건축학회논문집 Vol.22 No.6

There are many reasons why Da-po style architecture is profitable for hipped-and-gable roof. One of them, the corner- bracket-set of Da-po is more strong than the corner-bracket-set of Chu-sim-po style. The corner-bracket-set is very important why supporting the corners of eaves is essential to hipped-and-gable roof. This study is on the corner-bracket-set of Da-po style architecture. In particular, this study focuses on the inner and outer 2-jump corner-bracket-set. The results of this study are as follows : 1. The corner-bracket-set of Da-po style of the early Chosun Dynasty in Korea is very similar to 『Ying-Tsao-Fa-Shih』of Sung Dynasty in China. There are 2 styles Do-mae-chum. One is the short-extending-arms and the other is the short-extending-timber. 2. In 1600, immediately after war, many changes had been occurred. For example, short extending arms of Do-mae-chum had been disappeared. 1 jump extending arms substituted the short-extending-arms at the outside of the corner-bracket-set and short extending timber substituted the short extending arms at the inside of corner bracket set. 3. In the latter period, the corner-bracket-set was more luxurious than the earlier set. But corner bracket set was more compact because of increasing link between two arms which are cross arms and extending arms.

탄소나노튜브 기반 엑스선관에서 매립형 에미터 구조의 전계 방출 특성 시뮬레이션

류성룡,이태동 한국물리학회 2019 새물리 Vol.69 No.3

탄소나노튜브의 전계방출 전자를 이용하는 엑스선관에서 게이트 손실전류를 줄이고 에미터 전체에서균일한 전류 방출을 얻기 위한 에미터 구조를 전계분석을 통해 연구하였다. 게이트 전극의 구멍보다 작은크기의 에미터를 음극에 도포하는 구조를 가정하고, 두 종류의 에미터에 대하여 전계방출 특성을 계산해보았다. 편평한 음극 위에 솟은 형태의 에미터는 가장자리에서 전자 방출이 강하게 집중되며 대부분 게이트전류로 손실될 가능성이 매우 높음을 확인하였다. 대안으로서 음극 면에 미리 형성시킨 홈을 CNT 에미터로 채워 음극 면과 높이 차가 없도록 하여 가장자리 효과를 줄인 매립형 에미터를 고안하고 그 전계방출특성을 분석하였다. 에미터의 폭, 게이트 창의 폭, 게이트 전극의 높이 등의 설계 변수에 대해 계산한결과 에미터의 폭이 좁을수록, 게이트 전극이 높이 위치할수록 전류방출의 공간적 균일도가 좋아지며 총방출전류도 증가함을 확인할 수 있었다. In a CNT-based X-ray tube, minimizing the leakage current to the gate is crucial and having a uniform current emission across the emitter area is desirable. To find potentially effective structures, we performed electron optics simulations using a model in which the area of the CNT emitter was smaller than the gate opening. On the directly deposited emitter, the current was concentrated at the stepped edge and the most of the current became gate leakage. In contrast, the groovefilled emitter showed no gate leakage current and has a more uniform electric field and current distribution. The current distribution was more uniform for a narrower emitter and for a larger gate-emitter distance. The total emission current increased as the emitter width was decreased and the gate height was increased.

17세기 사천왕상 천왕문(天王門)의 건축형식 전개(展開)에 관한 연구

류성룡,Ryoo, Seong-Lyong 한국건축역사학회 2012 건축역사연구 Vol.21 No.5

This study is basically about four-guardian-statutes-building-gate in 17th Century. In the field of art-history, there are four-guardian-statutes made of clay in order that the statutes are so gigantic and grotesque enough to threaten all the devils. This purpose of this study is to make sure that the similar variation occurred at the four-guardian-statutes-building-gate in 17th century. The results of this study are as follows. First, only Da-Po style four-guardian-statutes-building-gates were built in famous four temples separately from 1612 until the Manchu war of 1636. And there are gigantic four-guardian-statutes made of clay in the building. Second, there are Chul-mok Ik-gong style buildings were built in 1660s at Bo-Rim-Sa and Neung-Ga-Sa. The buildings including four-guardian-statutes-building-gate of Song-gwang-sa built in 1636 probably are all similar to earlier Da-Po style four-guardian-statutes-building-gates in the viewpoint of structural type and size of building. Third, it began to build Ik-gong style four-guardian-statutes-building-gates in 1676 at Su-ta-sa.

조선시대 도성(都城) 중층건물의 건축형식 전개(展開)에 관한 연구

류성룡,Ryoo, Seong-Lyong 한국건축역사학회 2015 건축역사연구 Vol.24 No.3

This study is about the change of multi-storied buildings in Hanyang, the capital city of Joseon Dynasty. The changes are divided into 3 phases in the viewpoint of architectural types and building types. The first phase is from the early Joseon Dynasty to the time of Japanese invasion to Korea and Sungryemun remains until now. The second phase is from 1592 to the the first half of the 18th century. Many multi-storied Buddhist halls were rebuilt at that time. In the final phase, many multi-storied gate buildings and multi-storied main buildings of palaces were rebuilt. And there are differences between the Buddhist buildings and the main buildings of palaces. By the way the change that architectural style of the Buddhist buildings and the main buildings of pal were switched and mixed occurred. For example, Anguksa Daeungjeon adopted the style of multi-storied gates and Injeongjeon adopted the style of multi-storied Buddhist halls. These phenomenon was result from periodical situation the monk carpenter and his disciple took part in governmental construction like Janganmun.

갈륨비소/갈륨알루미늄비소 양자우물 안에 있는 중성의 주개에 대하여 자유전자레이저를 이용한 포화분광학적 연구

류성룡 金烏工科大學校 1998 論文集 Vol.19 No.-

Saturation of the Do Is-2p+ transition has been studied in donor (Si)-doped GaAs/AlGaAs multiple-quantum-well sample by magneto-transmission and magneto - photoconcuctivity measurements with the UCSB free electron laser. Effective lifetime of the Do Is-2p+ transition were found to vary systematically with laser frequency, decresing from 62ns at 84cm-¹ to 3 ns at 124cm-¹.

숭례문 홍예너비와 도로 폭 및 문루 어간(御間)거리의 상관성 연구 - 화성(華城) 팔달문(八達門), 흥인지문(興仁之門)과 비교를 통하여 -

류성룡,Ryoo, Seong-Lyong 한국건축역사학회 2010 건축역사연구 Vol.19 No.2

The Great south gate of Seoul Castle, Sung-Rye-Mun, the east gate of Seoul Castle, Hung-In-Ji-Mun, the south gate of Hwa-Sung Castle, Pal-Dal-Mun and the north gate of Hwa-Sung Castle, Jang-An-Mun are typical significant castle gate of Chosun Dynasty. They have a lot in common with exterior. Additionally there are also something common in dimensions. At first, the arch dimensions of lower story is very similar and the columns of upper story are the regular intervals. Purpose of this study is to confirm similarities above mentioned were intended on purpose and if then what was the reason. The results of this study were described separately as follows. 1. The widths of the arches were based on each 16Cheok and 18Cheok. 2. The heights of the arches followed less strictly rule than the widths. 3. The widths of the arches, 16Cheok was same size as width of middle-size road (中路, Jung-Ro) inside the Castle town in Chosun Dynasty. 4. The widths of the arches, 16Cheok was the standard size of exit went through castle and then the standard size of road arrived at one's destination. 5. The widths of the arches had an effect on the intervals between the columns of the upper story. Finally we recognized that in Chos${\u{o}}$n Dynasty the widths of the gate arches in Seoul castle and Hwa-Sung castle had relevance to the city planning largely and widths of the gate arches had an effect on the intervals between the columns of the upper story partly.

동영상 카메라와 보급형 망원경을 이용한 달과 행성의 관측

류성룡 한국물리학회 2015 새물리 Vol.65 No.3

The moon and the planets in our solar system are very close to the earth. They are bright enough to be observed with a small telescope, and they can be observed with high resolution; however, their images are easily disturbed by air turbulence. To catch “fortunate” frames, which are good images instantly frozen in 1/30th of a second, among disturbed images due to air turbulence, about oneminute high-resolution video images of the planets with about 30 frames per second (fps) were taken. RegiStax were used to select good frames, and the good frames were aligned and combined to make a single combined image. The combined images were also digitally processed to highlight hidden features. A monochromatic charged coupled device (CCD) camera with luminance, red, green, blue (LRGB) color filters were used to get high-resolution color images. High-resolution images of the moon and the planets were successfully obtained which could be used as educational materials in the classroom. 달과 행성은 태양계 내의 천체로서 우리에게 가장 가까운 천체들이고 아주 밝아서 중·고등학교에서 보급형 망원경으로 관측하기에 적합하다. 하지만 고배율 관측이 필요하여 대기의 흐름에 민감하므로 이를 적절하게 보정해 주어야 한다. 저자는 대기 흐름의 순간적인 변화를 고정하기 위하여 초당 30프레임 정도의 동영상 카메라를 이용하여 달과 행성의 고배율 동영상을 1분 정도 (1800 프레임) 찍었다. 천체용 동영상 처리 프로그램인 RegiStax를 이용하여 동영상에서 각 프레임을 분리하고 또렷한 프레임만을 골라 겹쳤으며, 겹쳐진 이미지는 최종적으로 디지털 처리하였다. 고해상도 컬러 이미지를 얻기 위하여 흑백 CCD 카메라와 LRGB 필터를 사용하여 색깔별로 따로 찍은 후에 나중에 합성하여 컬러 이미지를 얻었다. 이 논문에서 제시한 방법을 사용하여 교육적으로 사용하기에 적합한 고배율의 달과 행성 사진을 성공적으로 얻을 수 있었다.

成長障碍의 鍼灸治療에 關한 考察

류성룡,이윤호,박동석 대한침구의학회 2007 대한침구의학회지 Vol.24 No.1

Objectives : The objective of this study was to research delayed growth with acupuncture and moxibustion treatment. Methods : We search the oriental medical literature related to delayed growth, especially loose skull(解顱), pigeon chest(龜胸), turtle back(龜背), five kinds of flaccidity(五軟), five kinds of retardations(五遲) and infantile malnutrition(疳證). Results : 1. Loose skull(解顱) is treated with moxibustion therapy of CV8(神厥) and two points(1.5 cm upper and under of CV8) 2. Pigeon chest(龜胸) is treated with moxibustion therapy of GB38(外丘), ST18(乳根) and 6 points around of ST17(乳中). 3. Turtle back(龜背) is treated with moxibustion therapy of BL13(肺兪), BL15(心兪) and BL17(膈兪) 4. Acupuncture therapy of five kinds of flaccidity(五軟) was rare. but there are one case to stimulate Hwatahyeopcheok point using plum-blossom needle. 5. Five kinds of retardations(五遲) is treated with moxibustion therapy of BL15(心兪) and two point of medial malleolus 6. Infantile malnutrition (疳證) is treated with acupuncture therapy of the spleen channel and stomach. channel, therapy using three-edged needle, cutting therapy(LU10(魚際) and Sabong), moxibustion therapy(LR13(章門) and BL21(胃兪)), and Ch’una therapy. Conclusion : We expect that acupuncture and moxibustion treatment of delayed growth will be applied practically in clinical medicine due to further study on delayed growth.