ЧИСЛЕННОЕ МОДЕЛИРОВАНИЕ ГИДРОДИНАМИЧЕСКИХ ХАРАКТЕРИСТИК ВИНТО-РУЛЕВОГО КОМПЛЕКСА И ПОВОРОТЛИВОСТИ РЫБОЛОВНОГО СУДНА

Viktor G. Bugaev; Dam Van Tung Dam Van Tung; Yana R. Domashevskaya; Pham Trung Hiep Pham Trung Hiep

doi:10.37890/jwt.vi62.13

Viktor G. Bugaev Far Eastern Federal University, Vladivostok, Russia
Dam Van Tung Far Eastern Federal University, Vladivostok, Russia
Ya.R. Domashevskaya Far Eastern Federal University, Vladivostok, Russia
Pham Trung Hiep Far Eastern Federal University, Vladivostok, Russia

DOI: https://doi.org/10.37890/jwt.vi62.13

Abstract

Adequate assessment of the vessel’s turning capacity requires a thorough and detailed analysis of the hull shape and characteristics of the propeller-rudder system, as well as their interaction in the process of fishing operations. Using of experimental and numerical methods is extremely relevant and convenient solution to assess the vessel’s turning capacity. An important advantage of numerical methods in comparison with traditional methods, field tests and model experiments is the possibility of studying both the hull-nozzle-propeller system as a whole and each element separately, paying particular attention to its characteristics. The purpose of the research is to substantiate, using numerical methods of the hull shape and the characteristics of the propeller-rudder system (propeller in the nozzle) of the fishing vessel, which is intended for manufacturing and operation in Vietnam. The influence of the hull and the propeller on the hydrodynamic characteristics of the nozzle is due to the following factors: a) the presence of a propeller wave behind the hull; b) the presence of downwash of water flow when the vessel drifts; c) the presence of a free surface; d) increasing the flow rate, which runs on the nozzle, is made by the propeller. The speed of the vessel, the speed of rotation of the propeller and the angle of the nozzle rotation have also a significant influence on the hydrodynamic characteristics of the nozzle, and, consequently, on the propulsion and turning capacity. The results of calculations of the transverse and the resistance force acting on an isolated nozzle, a nozzle with a rotating propeller and with a rotating propeller behind the hull, have been presented.

Keywords: fishing vessel, propeller-rudder system, nozzle, turning capacity

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Author Biographies

Viktor G. Bugaev , Far Eastern Federal University, Vladivostok, Russia

Doctor of Engineering Sciences, professor, Department of Shipbuilding and ocean engineering, School of engineering, Far Eastern Federal University, 690922, Vladivostok, Russky Island, 10 Ajax Bay, FEFU Campus, Russia

Dam Van Tung Dam Van Tung , Far Eastern Federal University, Vladivostok, Russia

postgraduate student, Department of Shipbuilding and ocean engineering, School of engineering, Far Eastern Federal University, 690922, Vladivostok, Russky Island, 10 Ajax Bay, FEFU Campus, Russia

Yana R. Domashevskaya , Far Eastern Federal University, Vladivostok, Russia

Postgraduate student of the Department of Shipbuilding and ocean engineering, School of engineering, Far Eastern Federal University, 690922, Vladivostok, Russky Island, 10 Ajax Bay, FEFU Campus, Russia

Pham Trung Hiep Pham Trung Hiep , Far Eastern Federal University, Vladivostok, Russia

Postgraduate student, Department of Shipbuilding and ocean engineering, School of engineering, Far Eastern Federal University, 690922, Vladivostok, Russky Island, 10 Ajax Bay, FEFU Campus, Russia

THE NUMERICAL MODELLING OF HYDRODYNAMIC CHACRACTERISTICS OF THE PROPELLER-RUDDER SYSTEM AND TURNING CAPACITY OF THE FISHING VESSEL

Abstract

References

Author Biographies