CAJ | 학술논문

以国内某拖曳水池船模阻力校准为应用示范，提出拖曳水池船模阻力精确校准方法。首先，研究建立阻力标准模型，并将国际拖曳水池会议（ITTC）介绍的重复性试验拓展至不等精度的多组试验，以加权算术平均值作为测量结果的最佳估计，确定精确的船模阻力基准数据。其次，开展船模阻力总阻力系数不确定度的分析，并结合二因次换算法，提出基于“测量不确定度表示指南”(GUM)的总阻力系数不确定度评估方法。最后，利用与国内水池船模阻力的比对而获取修正值，实现船模阻力参量的校准；同时，开展国际比对，进一步验证了拖曳水池船模阻力精确校准方法的可操作性和合理性。
이국내모타예수지선모조력교준위응용시범，제출타예수지선모조력정학교준방법。수선，연구건립조력표준모형，병장국제타예수지회의（ITTC）개소적중복성시험탁전지불등정도적다조시험，이가권산술평균치작위측량결과적최가고계，학정정학적선모조력기준수거。기차，개전선모조력총조력계수불학정도적분석，병결합이인차환산법，제출기우“측량불학정도표시지남”(GUM)적총조력계수불학정도평고방법。최후，이용여국내수지선모조력적비대이획취수정치，실현선모조력삼량적교준；동시，개전국제비대，진일보험증료타예수지선모조력정학교준방법적가조작성화합이성。
This paper proposes a precise calibration method of ship model resistance in towing tanks with an application example in a China’s towing tank demonstrated. First, a standard resistance model was researched and built, and the tests of repeatability introduced by International Towing Tank Conference (ITTC) were expanded to multi-group tests with unequal precision. The weighted arithmetic mean value was regarded as precise resistance benchmark data. Secondly, the uncertainty of total resistance coefficient of the ship model was analyzed, and then a method of evaluating this uncertainty was put forward. Through a comparison of the data of ship model resistance in China’s towing tanks, and a correction factor was obtained for the calibration of resistance parameter of the ship model. An international comparison was carried out, which further verifies the operability and rationality of the precise calibration method.