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Abstract Thermal insulation panels are installed on the inner walls of liquefied natural gas (LNG) tanks of an LNG carrier to maintain the cryogenic temperature. Mastic ropes are used to attach thermal insulation panels to the inner walls and to fill the gap between the walls and panels. Because the inner walls of the LNG tanks can be corrugated owing to production errors, a large amount of mastic ropes are required to maintain the flatness of the thermal insulation panels. Therefore, in this study, an optimization method is proposed to minimize the total amount of mastic ropes for satisfying the flatness criterion of thermal insulation panels. For this purpose, an optimization problem is mathematically formulated. An objective function is used to minimize the total amount of mastic ropes considering constraints to flatten the thermal insulation panels. This function is applied to the design of membrane-type LNG tanks to verify the effectiveness and feasibility of the proposed method. Consequently, we confirm that the proposed method can provide a more effective arrangement design of mastic ropes compared with manual design.
Publication Date 2020-05-16
Role Corresponding Author
Category SCIE
Impact Factor 2.033

Do-Hyun Chun, Myung-Il Roh, Seung-Ho Ham, "Optimum Arrangement Design of Mastic Ropes for Membrane-type LNG Tanks Considering the Flatness of Thermal Insulation Panel and Production Cost", Journal of Marine Science and Engineering, Vol. 8, No. 5, pp. 353:1-15, 2020.05.16

List of Articles
번호 분류 제목 Publication Date
6 International Journal Sung-Min Lee, Myung-Il Roh, Ki-Su Kim, Hoe-Ryong Jung, Jong-Jin Park, "Method for a Simultaneous Determination of the Path and the Speed for Ship Route Planning Problems", Ocean Engineering, Vol. 157, pp. 301-312, 2018.06.01 file 2018-06-01
5 International Journal Sung-Min Lee, Myung-Il Roh, Ki-Su Kim, Seung-Ho Ham, "Optimum Design of Lug Arrangement Based on Static and Dynamic Analyses for Block Lifting", Journal of Ship Production and Design, Vol. 34, No. 2, pp. 119-133, 2018.05.01 file 2018-05-01
4 International Journal Sung-Woo Park, Myung-Il Roh, Min-Jae Oh, Seong-Hoon Kim, "Association Analysis of Piping Materials of an Offshore Structure Using Big Data Technology", Journal of Ship Production and Design, Vol. 35, No. 3, pp. 220-230, 2019.08.01 file 2019-08-01
3 International Journal Tae-Sub Um, Myung-Il Roh, "Optimal Dimension Design of a Hatch Cover for Lightening a Bulk Carrier", International Journal of Naval Architecture and Ocean Engineering, Vol. 7, No. 2, pp. 270-287, 2015.03.01 file 2015-03-01
2 International Journal Won-Jae Lee, Myung-Il Roh, Hye-Won Lee, Jisang Ha, Yeong-Min Cho, Nam-Sun Son, “Detection and Tracking for the Awareness of Surroundings of a Ship Based on Deep Learning”, Journal of Computational Design and Engineering, Vo. 8, No. 5 file 2021-10-01
1 International Journal Xing Li, Myung-Il Roh, Seung-Ho Ham, "A Collaborative Simulation in Shipbuilding and the Offshore Installation Based on the Integration of the Dynamic Analysis, Virtual Reality, and Control Devices", IJNAOE, Vol. 11, No. 2, pp. 699-722, 2019.07.01 file 2019-07-01
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