• 한국항해학회지
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• 제21권4호
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• pp.93-102
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• 1997

History will be defined as a science on human beings in both space and time(des hommes dans le temps et l'espace). Navigational History is a premise to compose Maritime History. Maritime History is a branch of General History which is classified on the basis of space and will be definded as a branch of history to examine 'inter-realtions between maritime affairs and inland affairs'. Then, what kind of 'go by sea'can be a subject of Navigational History ? A research-subject of Navigational History must be navigation rather than sail or voyage. Because while 'sail' means to 'passive and noncommercial sailing' and voyage means to journeyin a general sense that includes sail and navigation, navigation means to indicate ' to go from one place to another in a ship' adn 'to convoy goods by water'. Then, how can we define Navigation History? Navigational History in a narrow sense is to be a field of studying 'process of development of nautical science and seamanship on the side of History ofScience and Techique, whereas Navigational History in a broad sense is to be a field of analyzing 'effects of historical navigation upon history on the side of General History. On studying Navigational History in a narrow sense, there are signifiacances of disclosing what the development of nautical instruments and arts of navigation have played a role in history. Navigational History in a broad sense is a branch of General History to study effects of historical navigation upon history. In conclusion, the significance of studying Navigation History is to disclose process of developmentof arts of navigation, and on the basis of this study is to reveal how the human elements operate in historical navigation. In short, it should not cease to study Navigational History in a narrow sense, and should enlarge its perspective of research toward Navigational History in a broad sense.

• 한국수학사학회지
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• 제28권5호
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• pp.249-262
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• 2015

Simon Stevin, a mathematician active in the Netherlands in early seventeenth century, parlayed his mathematical talents into improving navigation skills. In 1605, he introduced a technique of calculating the distance of loxodrome employed in long-distance voyages in his book, Navigation. He explained how to calculate distance by 8 different angles, and even depicted how to make a copper loxodrome model for navigators. Particularly, Stevin clarified in the 7th copper loxodrome model on the unique features of equiangular spiral curve that keeps spinning and gradually accesses from the vicinity to the center. These findings predate those of Descartes on equiangular spiral curve by more than 30 years. Navigation, a branch of actual mathematics devised for the survival of sailors on the bosom of the ocean, was also the first step to the discovery of new mathematical object.

• 한국항해항만학회:학술대회논문집
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• 한국항해항만학회 1997년도 Proceedings of KIN-CIN Joint Symposium 97 on Safety of Shipping and History of Maritime Communication between Korea and China around 9th Century
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• pp.209-215
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• 1997

• 한국항해학회지
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• 제21권1호
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• pp.33-55
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• 1997

The European expansion in the later middle age, as Adam Smith stated, influenced greatly on development of the world history. In the various events of the European expansion the discovery of the New World by Christopher Columbus is very important because the effect of the discovery of the New World have still continued to the present. I have interested to find out the reason why the western civilization has seized on the hegemony of the world over other civilizations. As many scholars pointed out, the most distinguished difference between the western civilization and other civilizations is that the western civilization was maritime-oriented, while other civilization were continental-oriented. So I set up the maritime histoy on the theme of my study in order to ruminate upon meaning of the se-power that is one of the motivating forces to drive histoy. Maritime history is not simply about that is maritime affairs, but a branch of history that inquires into inter-relations between maritime affairs and inland affairs. Maritime history constitutes of history of naval war, history of shipping and history of marine development. As above reasons, I have interested the European expansion in the later middle age that maritime activity was the most vigorous in the history. This is a case study to compose maritime history.

• 한국항해항만학회:학술대회논문집
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• 한국항해항만학회 2000년도 Proceeding of CIN-KIN Joint Symposium 2000 on M.E.T. Under STCW 78/95 and SINO-KOREA MARITIME CONTACT IN MID-CENTURIES
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• pp.205-218
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• 2000

Hull forms of Jiao Yi Ship for shipping and foreign trade in Silla and Tang Dynasty were transformed and developed in accordance to their voyage and rational routes. The trade ship was a sea ship, used by Chang Po Go's, the Silla great sea merchant ship, in the marine trade with China during the 8th and 9th century. It is not easy to presume the hull type and trade formal of Chang Po Go's Jiao Yi Ship of the 8th and 9th Century. Studying on the ship type of the trade ship is the urgent problem to be solved, in the sphere of leaning about the history of communication between China and Korea. The authors take the initial prove into this subjects, by researching Chang Po Go's marine activities, and point out that the trade ship's original type should be the Sha Ship which was the sea ship sailing th sea in northern China, in the Tang Dynasty. This study aims to present materials concerning hull forms of Chang Po Go's Jian Yi Ship by analysing ancient voyage history, foreign trade history, and ship history of Silla, Tang and Japan during the 8th and 9th century.

• 한국항해항만학회:학술대회논문집
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• 한국항해항만학회 1997년도 Proceedings of KIN-CIN Joint Symposium 97 on Safety of Shipping and History of Maritime Communication between Korea and China around 9th Century
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• pp.223-233
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• 1997

The paper is a comparative study of the 9th -century Chinese, Korean and Japanese ships. It discusses the professional level of ship-bulding, the functions of ships, the routes of the ships, and the economic and cultural exchanges between China and Korea. In addition, it also introduces the history of the Xinluos living in China focuses on the distinction between Xinluo Guan, Xinluo Suo and Xinluo Fang, which is often confused in the Chinese, Korean and Japanese academic world.

• 한국항해항만학회지
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• 제38권5호
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• pp.511-518
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• 2014

대한민국 등대의 역사는 일제가 국외 침략을 목적으로 한반도에 설치한 것에서 시작되었다고 알려져 있다. 이러한 주장에 따르면 1903년 인천에 처음으로 등대가 설치된 이래 일제 강점기를 거치면서 근대적인 항로표지시스템이 구성되었다는 것이다. 그러나 이 점에 대해서는 좀 더 신중하게 고려할 필요가 있다. 국제 항구의 도시로서 그리고 초량왜관의 도시로서 부산은 15세기 초 이래로 한일 외교관계의 중심지였다. 그렇기 때문에 이미 오래전부터 부산에는 해상 국제교류를 위한 항만시설이 발달되었다. 그럼에도 불구하고 지금까지 해양에 관련된 역사자료가 부족하고 기초연구가 미비하여 올바른 역사를 정립하는 것이 어려운 실정이었다. 최근 들어서 부산해관 고문서의 번역이 마무리 되었고, 초량왜관 관련 고지도들을 집성한 자료가 편찬되면서 보다 객관적인 부산의 역사를 정립할 수 있게 되었다. 이러한 맥락에서 본 논문은 고지도와 문서들을 통하여 오래된 국제 항구도시 부산의 초량항에 초점을 두고 부산 항로표지의 기원에 관하여 고찰하고자 한다.

• 한국항해학회지
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• 제22권4호
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• pp.77-89
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• 1998

중국 고대선의 신비스러움은 다음 여덟 가지의 점에서 두드러지게 나타난다. 즉 격벽의 고안, 물새를 닮은 수선면, 바텐을 댄 돛의 발명, 타의 발명, 다수의 돛과 돛대를 장비하는 방법, 외륜의 발명, 그리고 역풍 항해기술의 개발이다. 이 글에서는 중국 고대선의 신비스러움을 서양 고대선과 비교하여 설명하였다.

• 한국항해항만학회지
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• 제44권2호
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• pp.65-72
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• 2020

Mankind has been using ships for more than 5,000 years and has developed a range of related technologies. However, despite such a long history, compared to aircraft with a history of approximately one century, the pace of progress has been markedly slow. Even though technological progress of ships or the installation of various navigation equipment have been achieved, seaborne collisions have occurred quite frequently. This study analyzed the TCAS( Traffic Collision Avoidance System) that has contributed to the prevention of collisions with other transport methods including aircraft to suggest a collision avoidance system that can be deployed for ships. To apply the technologies applied to aircraft that move in 3D to ships that move in 2D, the difference in the operational environment between the two modes was analyzed to identify elements that need to be applied to ships. The suggested display of data on the collision prevention system is one that manipulates the augmented reality display device used in automobiles that over the past few years has undergone rapid development. Based on the presentation of technological elements that need to be considered when adopting the SCAS or the Seaborne Collision Avoidance System as suggested in this study, the authors hope to contribute to the prevention of collisions.

• 한국항해항만학회지
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• 제26권4호
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• pp.441-447
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• 2002

전세계적인 인구증가와 산업화로 인하여 육지면적의 부족, 육상자원의 고갈 등의 문제로 해양의 이용 및 개발의 관심이 늘어나고 있으며, 환경친화적인 해양공간을 확보하기 위하여 초대형 부유식 해상구조물에 대한 기술개발이 요구되고 있다. 본 논문에서는 초대형 부유식 구조물의 상부구조물에 대한 시간이력해석법에 대하여 소개하고 파랑하중에 의한 부체변형을 이용한 시간변위이력 산정 방법을 제안한다. 또한 주기 및 진폭의 변화에 따른 상부구조물의 동적 시간이력응답 결과를 분석하고 초대형 부유식 상부구조물 시설계안의 동적구조안전성을 평가한다.