• 한국항해항만학회지
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• 제38권6호
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• pp.601-606
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• 2014

본 연구에서는 선박에서 발생하는 오 폐수의 처리를 위하여 SBR공정에 유효미생물을 주입하는 변법을 이용하여 Lab scale 실험을 수행하였다. 유해물질 유입에 따른 생물학적 처리 장치의 효율 저하 문제를 해결하기 위하여 SBR공정에 유효미생물을 주입하는 변법은 크루즈선이라는 특수 환경과의 접목성과 생물학적 처리 시 야기될 수 있는 문제를 대비하기 위한 대안으로 선박환경에 매우 적합한 공정으로 평가되었다. 슬러지 관찰 결과 기존의 활성슬러지에 유효미생물의 주입함으로써 슬러지의 안정성을 확보할 수 있었으며, 슬러지의 EPS 함량도 40% 이상 높아진 것을 확인할 수 있었다. 또한 슬러지의 미생물 분석 결과 유효미생물 주입으로 인해 수처리에 유리한 미생물종이 다수 출현하여 휘발성 유기화합물과 같은 유기 유해물질이 생분해되어 안전한 물질로 전환되는 것을 확인할 수 있었으며. 중금속과 같은 무기 유해물질도 중금속의 종류와 유입농도에 영향을 받지 않고 70% 이상의 안정적인 처리 효율도 확보할 수 있는 것으로 확인되었다.

• 수산해양교육연구
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• 제24권2호
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• pp.286-301
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• 2012

This study was to consider the development strategy of Jeju Marine leisure equipment industry for facilitating marine leisure tourism industry. For achieving this goal, the case studies related to domestic & foreign marine leisure equipment industry, interviews of marine leisure equipment company, the contents of specialist consultation meeting were used in this study. The strategies for promoting were suggested in progress that step 1 was the expansion of maintenance infrastructure as of a port of call, step 2 was the establishing of marie leisure tourism image, step 3 was the integration of marine leisure equipment industry. More specific suggestions were followed. As an aspect of infrastructure, the expansion of management of marine leisure equipment such as yacht, development of marina having similar image of Jeju were suggested. As an aspect of law/institution, the development of financial support system on the marine leisure equipment, promotion of establishment of professional education institutions were suggested. As an aspect of contents/programs, the hosting the exhibition of marine leisure used equipment of international trade, the development of environmental-friendly program associated with cruise were suggested, Finally, as an aspect of promotion/marketing, the promotions linked with drama & movie industry, the strategy of improvement of negative image to the yacht industry were suggested.

• 수산해양기술연구
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• 제53권4호
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• pp.423-429
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• 2017

As invigoration plan of the marine tourism, Busan City has the plan to operate the cruise ship inside of the harbor, but the area has narrow water way with heavy traffic. As a result it is requested to evaluate the safety for the preparation of actual navigation. In this study, the Ship Handling Simulation (SHS) Assessment was conducted, which is regulated by the Maritime Traffic Safety Audit Scheme (MTSAS) in compliance with the Marine Safety Law and the Maritime Traffic Risk Assessment System based on the Electronic Chart Display and Information System (ECDIS). The proximity assessment, control assessment and subjective assessment were implemented, which is enacted by the Marine Safety Law by using the SHS. In the case of proximity assessment, the probability of trespass was not analyzed. As the control assessment, the swept path was measured at 11.7 m and 11.5 m for port entry and port departure respectively, which exceeded the width of the model vessel, 10.4 m over; it was considered as a marginal factor. As a result of the subjective evaluation of the navigator, there would be no difficulty on ship maneuvering by paying particular attention to the mooring vessel nearby the Busan Bridge and Yeongdo Bridge as well as the coming vessel from the invisible sea area when the vessel is entering and departing the port. The Marine Traffic Risk Assessment System analyzed as [Cautious] level until the vessel passed the Busan bridge and the curved area at 5 kts and it became to [Dangerous] level from where it left 75 m to the Busan Bridge. When the vessel passed the Busan Bridge and the curved area at 10 kts and entered the narrow area, it indicated the [Dangerous] level and became to [Very dangerous] level from where it left 410 m to the Busan bridge. In conclusion, the vessel should maintain at the speed of 5 kts to reduce the risk when it passes this area.

• 토지주택연구
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• 제8권4호
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• pp.285-294
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• 2017

Recently, as the paradigm of regional development has been transformed into characterization, decentralization and cooperation, small and medium scale development is in the spotlight. In particular, as the transfer of planning authority to local governments accelerates, LH is in the process of seeking to transform itself into a system that is in line with local government demand. The purpose of this study is to elaborate the regional pending projects that meet the demand of the region. The Jeju Special Self-Governing Province is the area where land and housing prices have increased more than three times recently, which is the area of interest in recent years due to the various demand for development projects. Another objective is to establish a local government based on LH's system, it is aimed to derive a collaboration method with local government, province corporation and local researchers. The criteria for deriving the cooperation projects between the local government and LH are basically the ones that can be carried out by LH and future-oriented projects. The process of deriving has undergone the process of statutory planning, unscrupulous plan analysis, and consultation of experts' advisory committees. In order to derive the regional cooperation project, four criteria such as local uniqueness, future possibility, business promotion efficiency, and local cooperation project were set. Major projects of the Jeju Special Self-Governing Province are improvement of the surrounding traffic system, construction of the hinterland due to the construction of the second airport, and establishment of Cruise Port(Jeju Port, Seogwipo Port). The role of each entity in the implementation of regional cooperation projects is as follows. Local government should request subsidies for the projects in case of lack of budget support and secure them through competition with other regions. In addition, it should be responsible for the operation and management of the facility once it has been supported and completed smoothly. The Ministry of Land, Infrastructure and Transport affects each region through approval and subsidy of the development plan. After the development project is completed, it evaluates the development project through monitoring and plays a role of continuously improving the system. As a business operator, the provincial corporation will carry out small-scale projects including non-physical projects such as community participation. In the case of LH regional headquarters, the general manager of the region will establish a comprehensive business plan, secure development availability, and carry out large-scale growth promotion projects.

• 한국항해항만학회지
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• 제46권3호
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• pp.209-215
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• 2022

제주 연안은 국제크루즈선, 여객선, 유 도선 등의 통항이 빈번하고 조업 어선이 많아 해양사고 위험성이 높고 선박 충돌사고가 빈번히 발생하고 있다. 이에 따라 제주 연안 해역을 통항하는 선박의 체계적인 안전관리를 위해 연안 VTS 구축이 시급하다. 본 연구의 목적은 신설될 제주지역 연안 VTS의 관제구역을 설정하고자 한다. 관제사의 업무부하를 측정하기 위해 관제대상 선박과 비관제대상 선박에 대한 모니터링 빈도 및 소요시간 등을 고려한 모니터링 업무량과 선박충돌 조우상황 등에 대한 관제업무량을 반영한 산정식을 설계하여 신설될 제주지역 VTS의 각 관제섹터에 적용하였다. 각 VTS 센터에 3개의 관제섹터를 설정하였으며, AIS 데이터 한 달 치를 이용하여 시간당 평균 관제석을 분석한 결과, 1석 내외로 나타나 섹터간 구획 획정은 적절하여 관제사의 업무부하는 없는 것으로 나타났다. 본 연구에서 제안한 방법은 현재 운영 중인 VTS의 적정 관제석 산출 및 향후 신설될 연안 VTS의 관제구역 설정 등에 기초자료로 활용할 수 있을 것으로 기대된다.

• The Korean Journal of Physiology
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• 제1권2호
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• pp.199-213
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• 1967

Circulatory and respiratory activities were observed in men exposed to the environment of engine room of a cruising Republic of Korea Navy ship and compared to the control values obtained in an ordinary laboratory room on land. The environment of an engine room of cruising navy ship was presumed to be a multiple stress acting on men. The environment of the engine room included high temperature $(35-42^{\circ}C)$, low relative humidity (20-38% saturation), vibration (about 7 cycles per second), rolling and pitching of ship and noises. Sixteen men were divided into two groups consisted of each 8 subjects. Subjects of sea duty group had experience of continuous on board duty averaging 3.5 years. Men of land duty group had no experience of on board activity. On land observations were made on one day prior to the boarding and leaving the port and four days after landing. In between observations in the engine room were made on the first, 5 th, 9 th, 12 th, and 14 th day of on board activity. The whole experimental period lasted for 20 days. Measurements on circulatory and respiratory parameters were at standing resting state (after 30 minutes standing in the case of on land study and 15 minutes in engine room study) and within one minute after cessation of on the spot running of which rhythm was 30/min. and lasted for 5 minutes. Oxygen consumption and pulmonary function test were done in the period of two minutes from the 3rd to 5th minutes of running. The following results were obtained. 1. Body temperature showed no change regardless of group difference or on land or on board measurements. 2. Pulse rate increased markedly after boarding the ship id both groups. Pulse rate increased from the first day on board at rest and after exercise as compared to the on land control value. This increase in pulse rate was more marked after exercise. Sea duty group showed less increase in pulse rate at rest than the land duty group. Standing and resting pulse rate of sea duty group on lam was 81 and increased to 87 at the 5th day on board and remained smaller than the land duty group throughout the period on board. Control standing and resting pulse rate of land duty group on land was 76 and reached 89 at the 9th day on board and thereafter decreased a little. Pulse rate of land duty group at rest on board remained greater than that of sea duty group throughout the period on board. 3. Systolic blood pressure of sea duty group increased after boarding the ship and remained higher than the control value on land. In the land duty group, however, systolic blood pressure decreased during the period on board the ship. Diastolic blood pressure decreased in both groups. 4. Resting breathing rate of land duty group increased and remained higher than the control value on land. In sea duty group, however, resting breathing rate showed a transient increase on the 1st day on board and decreased thereafter to the control value on land and kept the same level throughout the period of cruise. Absolute value of breathing rate in the sea duty group was greater than the land duty group both at rest and after exercise. 5. There was a lowering of breathing efficiency in both groups. Thus, increases in tidal volume and minute ventilation volume and decreases in maximum breathing capacity, vital capacity, capacity ratio and air velocity Index were observed after boarding the ship. An increase in ventilation equivalent was also observed in both groups. The lowering of breathing efficiency was more marked in the land duty group than the sea duty group. 6. Energy expediture increased in both groups during their stay on the ship and was more marked in the sea duty group. 7, Lactate concentration in venous blood at rest and after exercise increased after boarding the ship and no group difference was observed.