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자유항주모형시험을 이용한 KCS 선형의 축척비별 조종성능에 관한 연구An Experimental Study on the Manoeuvrability of KCS with Different Scale Ratios by Free Running Model Test
- Other Titles
- An Experimental Study on the Manoeuvrability of KCS with Different Scale Ratios by Free Running Model Test
- Issue Date
- 12월-2021
- Publisher
- 대한조선학회
- Keywords
- Scale(축척비); Auxiliary thrust(보조추력); Manoeuvrability(조종성능); KCS(KRISO 컨테이너선); FRMT(자유항주모형시험)
- Citation
- 대한조선학회 논문집, v.58, no.6, pp 415 - 423
- Pages
- 9
- Journal Title
- 대한조선학회 논문집
- Volume
- 58
- Number
- 6
- Start Page
- 415
- End Page
- 423
- ISSN
- 1225-1143
- Abstract
- There have been many experimental studies on the manoeuvrability of KRISO Container Ship (KCS). However, the scale ratio of the model ship and the test procedure for each institute are slightly different, so direct comparison for the data is technically difficult to perform. This paper presents the manoeuvrability of the ship with different scale ratios: 1/65.8, 1/42.0, and 1/31.6 in model scale. KRISO conducted Free Running Model Tests (FRMT): 35°turning circle tests and 20/20(10/10) zigzag manoeuvring tests. The test results indicated that advance and tactical diameter in turning circle tests were similar, and overshoot angles in two zigzag manoeuvring tests increased as the model ship size increased. In addition, a basic concept for the FRMT method with an auxiliary X-thrust device was proposed so that the scale effect could be considered in model ship tests.
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