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Prediction of resistance and propulsion performances using calm-water and resistance tests in regular head waves of a 1,800 TEU container ship

최정은|이인원|정우영|김양익|Yu Jin-Won|Kim Seong-geun
대한조선학회 (The Society Of Naval Architects Of Korea)|2022.12|International Journal of Naval Architecture and Ocean Engineering|제14권 |pp. 1-20|DOI 10.1016/j.ijnaoe.2022.100458

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1Model testSpectral methodAdded resistance and propulsionRegular and irregular head waves800 TEU CS
주제분류조선공학

초록

This paper predicts resistance and propulsion performances in regular and irregular head waves of a 1800 TEU container ship. ‘Calm-water tests’ and ‘resistance test in regular waves’ have been performed. Methods applied are the LVM-W and the revised ITTC-78. Added propeller revolution, thrust, and torque in waves linearly increase as added resistance does. The relative contributions of added propulsion performances in waves have been evaluated using the logarithmic derivative. The spectral method in operating sea states has been applied. The response spectra of added propeller revolution, thrust, and torque show similar characteristics to those of added resistance. The FSEM, LVM-IR, ITTC78-IR, DPM, RTIM, QNM, and TNM are useful to predict added delivered power and propeller revolution in irregular waves when SS < 5. These differences between the DPM/RTIM/QNM/TNM and the Spectral(LVM-W) are dependent on the linearity of fitting line for overload factor. The TNM underpredicts added delivered power due to the lower wake fraction in waves.

Abstract

This paper predicts resistance and propulsion performances in regular and irregular head waves of a 1800 TEU container ship. ‘Calm-water tests’ and ‘resistance test in regular waves’ have been performed. Methods applied are the LVM-W and the revised ITTC-78. Added propeller revolution, thrust, and torque in waves linearly increase as added resistance does. The relative contributions of added propulsion performances in waves have been evaluated using the logarithmic derivative. The spectral method in operating sea states has been applied. The response spectra of added propeller revolution, thrust, and torque show similar characteristics to those of added resistance. The FSEM, LVM-IR, ITTC78-IR, DPM, RTIM, QNM, and TNM are useful to predict added delivered power and propeller revolution in irregular waves when SS < 5. These differences between the DPM/RTIM/QNM/TNM and the Spectral(LVM-W) are dependent on the linearity of fitting line for overload factor. The TNM underpredicts added delivered power due to the lower wake fraction in waves.

참고문헌 (25)

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Improvement of prediction methods of power increase in regular head waves using calm-water and resistance tests in waves이인원, 전호환, 최정은, Lee Cheol-Min대한조선학회 · International Journal of Naval Architecture and Ocean Engineering2021 · 제13권 Comparative study on the prediction of speed-power-rpm of the KVLCC2 in regular head waves using model tests이인원, 전호환, 최정은, Cheol-Min Lee, Seo Jin-Hyeok, Yu Jin-Won대한조선학회 · International Journal of Naval Architecture and Ocean Engineering2021 · 제13권 A numerical study on self-propulsion performance in regular waves and power prediction in irregular waves김구현, 김상현, 백광준, Cho Jun-Hui, Kim Hwi-Su, Lee Soonhyun대한조선학회 · International Journal of Naval Architecture and Ocean Engineering2022 · 제14권 Comparative study of prediction methods of power increase and propulsive performances in regular head short waves of KVLCC2 using CFD이인원, Cheol-Min Lee, Jin-Hyeok Seo, Jin-Won Yu, Jung-Eun Choi대한조선학회 · International Journal of Naval Architecture and Ocean Engineering2019 · 제11권 제2호Effects of diffraction in regular head waves on added resistance and wake using CFD이인원, Cheol-Min Lee, Jin-Won Yu, Jung-Eun Choi, Sung-Chul Park대한조선학회 · International Journal of Naval Architecture and Ocean Engineering2019 · 제11권 제2호A Study on the Propulsion Performance of KCS in Still Water and Regular Wave김대해, 이상민, 정우철한국항해항만학회 · 한국항해항만학회지2013 · 제37권 제1호

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