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학제간연구 과학기술학 뇌인지과학 기술정책 기타 복합학

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논문 기본 정보

자료유형
학술저널
저자정보
Myung-Soo Shin (Korea Research Institute of Ships & Ocean Engineering) Min Suk Ki (Korea Research Institute of Ships & Ocean Engineering) Beom Jin Park (Korea Research Institute of Ships & Ocean Engineering) Gyeong Joong Lee (Korea Research Institute of Ships & Ocean Engineering) Yeong Yeon Lee (Korea Research Institute of Ships & Ocean Engineering) Yeongseon Kim (HMM) Sang Bong Lee (LAB021)
저널정보
한국해양공학회 한국해양공학회지 한국해양공학회지 제34권 제5호(통권 제156호)
발행연도
2020.10
수록면
294 - 303 (10page)

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This study discusses data collection, calculation of wind and wave-induced resistance, and speed-power analysis of an 8,600 TEU container ship. Data acquisition system of the ship operator was improved to obtain the data necessary for the analysis, which was accomplished using SPA (Ship Performance Analysis, Park et al., 2019) in conformation with ISO15016:2015. From a previous operation profile of the container, the standard operating conditions of mean draft were 12.5 m and 13.6 m, which were defined with the mean stowage configuration of each condition. Model tests, including the load-variation test, were conducted to validate new ship performance and for the speed-power analysis. The major part of the added resistance of container ship is due to the wind. To check the reliability of wind-resistance calculation results, the resistance coefficients, added resistance, and speed-power analysis results using the Fujiwara regression formula (ISO15016:2015) and Computational fluid dynamics (Ryu et al., 2016; Jeon et al., 2017) analysis were compared. Wind speed and direction measured using an anemometer were used for wind-resistance calculation and the wave resistance was calculated using the wave-height and direction-data from weather information. Also, measured water temperature was used to calculate the increase in resistance owing to the deviation in water density. As a result, the SPA analysis using measured data and weather information was proved to be valid and able to identify the ship’s resistance propulsion performance. Even with little difference in the air-resistance coefficient value, both methods provide sufficient accuracy for speed-power analysis. The differences were unnoticeable when the speed-power analysis results using each method were compared. Also, speed-power analysis results of the 8,600 TEU container ship in two draft conditions show acceptable trends when compared with the model test results and are also able to show power increase owing to hull fouling and aging. Thus, results of speed-power analysis of the existing 8,600 TEU container ship using the SPA program appropriately exhibit the characteristics of speed-power performance in deal conditions.
#Speed-power analysis #Resistance increase at real sea #Wind resistance #Wave resistance #Water temperature deviation #8,600 TEU Container

목차

ABSTRACT
1. Introduction
2. Ship Data and Standard Operating Conditions
3. The Actual Ship’s Performance Estimation and Data Measurement
4. Speed-power Analysis
5. Conclusion
References

참고문헌 (14)

참고문헌 신청
Freitas, L.D., Silberschmidt, N., Pappas, T., & Connolly, D. (2019). Full-scale Performance Measurement and Analysis of the Silverstream Air Lubrication System. Proceeding of the 4th Hull Performance & Insight Conference, Gubbio, Italy, 201-210. http://data.hullpic.info/HullPIC2019_gubbio.pdf ISO. (2015). Ships and Marine Technology ? Guidelines for the Assessment of Speed and Power pPrformance by Analysis of Speed Trial Data (ISO15016:2015). International Standardization Organization, Geneva, Switzerland. google schola IMO. (2014). 2014 Guideline on the Method of Calculation of the Attained Energy Efficiency Design Index (EEDI) for New Ships. Resolution Marine Environment Protection Committee, 245(66), International Maritime Organization, London. google schola IMO. (2019). Energy Efficiency Improvement Measure for Existing Ships. Marine Environment Protection Committee, 2/7/2, International Maritime Organization, London. google schola Jeon, G.M., Ryu, J.H., Park, J.C., & Shin, M.S. (2017). CFD Simulation of Aerodynamic Effects due to Arrangement of Superstructures of Container Ship. Proceedings of the International Symposium on Marine Engineering (ISME), Tokyo, Japan. google schola

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