• 대한건축학회논문집:계획계
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• 제34권1호
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• pp.63-70
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• 2018

The foreign concession of Yokohama was the first downtown formed through the open port of Yokohama. It became a stepping stone to the center of the market economy. Yokohama was regarded as the turning point of modernization in Japanese history and it reached the high light of modern city in Japan. In the nineteenth century the term "open port" which occurred in East Asia was directly connected with modernization. Nevertheless, there is not many researches on architectural history about the central space of the open port city. As the method of research, we examine the parcels and spatial changes that are based on the contents of maps and pictures in terms of architectural history. For the foreign concession that was set up in Yokohama and the first open port in Japan, the spatial scope was set for certain and the temporal range was also set from the setting of the concession in 1859 to the abolition in 1899. The purpose of this study is to consider the future research related to the study of the open port city from the perspective of comparative historical research.

• 한국기록관리학회지
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• 제11권1호
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• pp.273-298
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• 2011

이 연구에서는 부산항이 개항장으로 거듭나면서 조선과 일본을 비롯한 국가 간에 체결한 조약과 조선과 일본이 부산항에 설치한 기관과 그 기관이 생산했거나 관련된 기록들, 그리고 부산항의 개발과정에서 생산하거나 관련된 기록들을 살펴봄으로써 개항기와 식민지 시기 부산항을 중심으로 부산에 관한 로컬리티를 재현하는 데 필요한 맥락을 분석하였다. 일본은 조선과 조약을 체결해 가면서 부산항을 중심으로 일본인의 활동범위를 확대하고 초량왜관을 전관거류지로 함에 따라 이 지역을 중심으로 일본영사관, 상업회의소 등을, 조선은 동래감리서, 개항장재판소 등을 설치하였다. 부산항의 개발과 관련해서는 조선총독부 관보 등에 당시 상황들이 잘 나타나 있으나, 관련 기록이 규장각과 국사편찬위원회와 부산시민도서관에도 상당량이 소장되어 있었다. 개항 이후 부산항의 개발과 변모에 관련된 기록들을 국내뿐 아니라 국외에 소장되어 있는 자료들을 망라적으로 수집하여 생산기관별 기록의 특성을 파악하는 것이 앞으로의 과제이다.

• 한국항해항만학회지
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• 제28권5호
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• pp.359-364
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• 2004

해항선이 목적항에 접근하게 되면, 교통량은 증가하고, 특히, 항만입구에는 해상교통이 집중하면 항내 항로는 더욱 좁아진다. 따라서 기안에는 선박충돌을 방지하기 위한 특별한 항법규정이 필요하며, 우리나라에서는 개항질서법에 이들 규정을 두고 있다. 그러나 관련 항법규정이 서로 충돌하는 경우, 어느 것을 우선 적용하여야 하는가에 대한 문제와 그 규정의 정확한 의미를 규명할 필요가 있다. 왜냐하면 관련 항법의 해석과 적용에 대한 오해는 선박충돌의 원인이 되기 때문이다. 따라서 이 연구는 개항질서법상 항법 규정에 관하여 법해석학적으로 검토하고, 이를 통하여 올바른 항법적용에 관한 기준을 제시하고자 한다.

• 대한건축학회논문집:계획계
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• 제34권4호
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• pp.133-140
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• 2018

This study is change of the street space of the port city of Yokohama and the transformation process of the canal. modern port city Yokohama is a region that was responsible for the development of East-West maritime transport routes in Japan in the 17th century and the inland transportation through fishing villages and ports. it has also grown rapidly as a regional port and new port. In particular, through the revitalization of trade between foreign settlements and Japanese residents in the port area, the existing fishing area became a modern port city space. Yokohama went through the following process and grew into a modern port city. The construction of the port harbor and the maintenance of existing logistics functions, the formation of the central horizontal axis through maintenance of the fishing village, the construction of the logistics movement route to the inland area through the construction of the canal, the expansion of the horizon for fire prevention and fire restoration, The formation of a new settlement space according to the movement, the transformation of the existing religious axis by the combination of the elaboration and the introduction of modern transportation, and the spatial connection between the inland cities.

• 수산해양교육연구
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• 제28권1호
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• pp.221-234
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• 2016

Open port has the designated course and traffic jam of ships happens often. This fact may connect to ship crash easily. And the accident happens due to violation of navigation mainly. In ship crash between Neoblue and Shinkwang 7 at incheon open port, the Korean incheon maritime safety tribunal shows that the violation of navigation and duty of attention at the open port would produce ship crash directly. Wherefore, the interpretation and application of navigation are important to protect future ship crash accident. The points of navigation as objects of study are divided into two categories, interpretation and application of navigation on crashing between the ship which navigate the designated course and the ship which enter into the designated course from the another course or outside the course, interpretation and application of navigation on crashing between two or more ships, which navigate violating the navigation every ships and violating agreement rule each other. And as conclusion, I refer the legal responsibility both Neoblue and Shinkwang 7 in detail. The results of this study as follows : First, in case of crashing between the ship which navigate the designated course and the ship which enter into the designated course from the another course or outside the course, public order in open port act can be applied by priority. However, in applying the public order the principle of trust and reasons of crew, cause and effect, the time of navigation application are mandatory considerations. Second, in case of crashing between two or more ships, which navigate violating the navigation every ships and violating agreement rule each other, we should focus on the reasons of crew. Also, the reasons of crew need strict conditions. These means that the awareness of crash danger and recognition of special circumstance including limit state of ships, existence of emergency danger, non escaping crash danger by only observance of navigation. And in case of this state the public order the principle of trust and reasons of crew, cause and effect, the time of navigation application should be considered by priority, too.

• 대한기계학회논문집B
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• 제29권12호
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• pp.1360-1368
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• 2005

This study investigates the characteristics of spray, such as evaporation rate and spray trajectory, for a 4-hole injector which is applied to a 4-valve motorcycle gasoline engine. Three dimensional, unsteady, compressible flow and spray within the intake-port and cylinder have been simulated using the VECTIS code. Spray characteristics were investigated at 6000 rpm engine speed. Furthermore, we visualized fuel behavior in the intake-port using a CCD camera synchronized with a stroboscope in order to compare with the analytical results. Boundary and intial conditions were employed by complete 1-D simulation of the engine using the WAVE code. Fuel was injected into the intake-port at two time intervals relative to the position of the intake valves so that the spray arrived when the valves were closed and fully open. The results showed that the trajectory of the spray was directed towards the lower wall of the port with injection against the closed valves. With open valve injection, a large portion of the fuel was lifted by the co-flowing air towards the upper half of the port and this was confirmed by simulation and visualization.

• 한국항행학회논문지
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• 제25권3호
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• pp.229-235
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• 2021

본 논문은 단락 또는 단선 스터브가 연결된 전송선로를 이용하여 높은 분배 비율을 갖는 비대칭 전력 분배기를 구현하는 방법을 제안하였다. 제안된 방법은 2포트 전송선로 중앙에 임의의 임피던스로 변환할 수 있도록 별도의 포트를 추가한 3포트 전송선로와 단선 또는 단락 스터브가 각 포트에 병렬로 연결된 3포트 전송선로를 등가회로로 보고 회로를 해석한 것이다. 이러한 방법의 타당성을 증명하기 위해서, 분배 비율 k² = 20 dB를 갖는 윌킨슨 전력분배기와 k² = 17 dB를 갖는 Gysel 전력분배기를 3포트 전송선로 등가회로를 이용하여 중심주파수 1 GHz에서 설계하였으며, 전기적 특성의 실험 결과는 시뮬레이션과 잘 일치함을 확인하였다.

• 한국항만경제학회지
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• 제20권2호
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• pp.89-100
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• 2004

Because of a recent trend of the open and globalized world economy, international trade is getting bigger and there is a trade competition among many countries, resulting in competition between harbor industries. Therefore, as hub-port development of China, Japan and Taiwan is more actively progressing than any other times, Korea should prepare a powerful management system to take the initiative over them. Above all, a new recognition of the governmental officers in charge of political management about hub-port industry and early development of the northeast hub-port are needed. To maximize its distinctiveness from competitive ports, port sale should be actively managed. As well, as port functions are diverse, accompanied site development should be prepared. In conclusion, in order to improve functions of a port and develop the port as a general complex of physical distribution, the government should encourage the accompanied site development and support preparation of a customs-free area and a general system of physical distribution.

• 유통과학연구
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• 제14권1호
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• pp.29-38
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• 2016

Purpose - The purpose of paper is to review and look into the process of port development of each country, and compare with their system of port management. Research design, data and methodology - The methods to be taken is to examine a process of port development in terms of historic and regulated point of views, and each country's port is compared with various port models. Results - China has evolved of port governance into 3 stages, which has lead to almost liberalized port management system in process of privatization slogan. Japan has three stages of port development, and key commitments have been done by local government, rather than national one. Korea has also several stages of port reforms, and national government has been deeply involved in port industry, as well as regional government and port authority in certain areas. Conclusions - whatever port management system each countries has taken, it eventually aims to port productivity in country's port. To adopt most proper port management system may be answer for country to cope with environmental changes around port industry.

• 대한전기학회논문지
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• 제38권2호
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• pp.144-150
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• 1989

The competitive power extraction problem in a linear n-port network consisting of resistances and independent sources with the same frequency is solved. For solving the problem, the definition of the two-port image impedances is extended to the n-port image impedances. In a competitive power extraction from an n-port network, the load resistances eventually approach the image resistances been found to be between the reciprocal of the short circuit conductance and the open circuit resistance.