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http://dx.doi.org/10.5394/KINPR.2018.42.6.378

Study on the Estimation of Towing Force for LNG Bunkering Barge  

Oh, Seung-Hoon (Korea Research Institute of Ships and Ocean Engineering)
Jung, Dong-Ho (Korea Research Institute of Ships and Ocean Engineering)
Jung, Jae-Hwan (Korea Research Institute of Ships and Ocean Engineering)
Hwang, Sung-Chul (Korea Research Institute of Ships and Ocean Engineering)
Cho, Seok-Kyu (Korea Research Institute of Ships and Ocean Engineering)
Sung, Hong-Gun (Korea Research Institute of Ships and Ocean Engineering)
Publication Information
Journal of Navigation and Port Research / v.42, no.6, 2018 , pp. 378-387 More about this Journal
Abstract
In this paper, the towing force for the LNG bunkering barge was investigated. Currently, LNG bunkering barge is being developed as an infrastructure for the bunkering of LNG (Liquefied Natural Gas), an eco-friendly energy source. In the case of the LNG bunkering barge, self-propulsion is considered through retrofit from an operating point. Therefore, the LNG bunkering barge's shape is similar to that of the ship as compared to a towed barge, so a rule of the towed barge overestimates the towing force. In order to improve accuracy, the calm water resistance was calculated using ITTC 1978 method which considers wave resistance by the Rankine source method. The added resistance in waves was calculated using the modified radiated energy method which considers the shortwave correction method of NMRI. The performance of the towing resistances through the calm water resistance and the added resistance in waves was compared to rules associated with towed barges.
Keywords
Liquefied Natural Gas; Bunkering Barge; Towing Force; Calm Water Resistance; Added Resistance in Waves;
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