Results 31 to 40 of about 90 (52)

Improving load frequency controller tuning with rat swarm optimization and porpoising feature detection for enhanced power system stability. [PDF]

Sci Rep
Gopi P, Alluraiah NC, Kumar PH, Bajaj M, Blazek V, Prokop L.   +5 more
europepmc   +1 more source

Research on the resistance test of trimaran planing hulls

2011 International Conference on Remote Sensing, Environment and Transportation Engineering, 2011
Based on the data obtained from tank testing the resistance performance of a trimaran planing hull is explored. The variation rule of resistance performance in different displacement and longitudinal position of center of gravity is studied. The effect of stern trim tab on resistance performance of a trimaran planing hull is tested.
null Huawei Sun, null Debo Huang, null Jin Zou, null Weijia Ma   +3 more
exaly   +3 more sources

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Tunnel flow of a planing trimaran and effects on resistance

Ocean Engineering, 2021
Abstract It is significant to clarify the tunnel flow mechanism and its effect in a wide speed range for the design of a planing trimaran with large loading capacity and long cruising radius. A numerical investigation of bare hull hydrodynamics of a planing trimaran, designed for waterjet propulsion, is conducted at 0 ...
Jiangming Ding, Jiabing Jiang
exaly   +2 more sources

The hull-waterjet interaction of a planing trimaran

Ocean Engineering, 2021
Abstract Hull-waterjet interaction is a key point in the research of waterjet-propelled crafts. The previous researches on hull-waterjet interaction mainly aim at displacement ships and planing monohulls, and mostly focus on speeds of FrL  2.0, indicating that the hull-waterjet interaction of this trimaran has positive effects on propulsion ...
Jiabing Jiang, Jiangming Ding
exaly   +2 more sources

The Brief Introduction of High-Speed Trimaran Planing Hull and the Preliminary Study of the Longitudinal Stability

Applied Mechanics and Materials, 2011
The character of lines and high-speed performance of trimaran planing hull is briefly introduced. By use of model experiments the law of longitudinal motion stability of the trimaran planing hull is studied. According to the combination of upper and lower speed limits at which the dolphin motion takes place at different displacements and the positions ...
Jing Zou, Qing Xu Wang, Sheng Zhe Shi, Jie Zhou   +3 more
openaire   +2 more sources

Study on the Porpoising Phenomenon of High-Speed Trimaran Planing Craft

Volume 2: CFD and FSI, 2018
This paper presents the application of Computational Fluid Dynamics (CFD) simulations to the heaving and rolling motion of the planing craft under different speeds and centers of gravity. Comparing the flow lines, the pressure distribution at the bottom of the boat, the heave and the trim angle before instability with those elements after instability ...
Yuming Yuan, Chao Wang
openaire   +2 more sources

Experimental and numerical investigations on hydrodynamic and aerodynamic characteristics of the tunnel of planing trimaran

Applied Ocean Research, 2017
Abstract The planing trimaran possesses distinctive hybrid hydrodynamic and aerodynamic performance due to the presence of tunnel. The research described in this paper was carried out based on the observation of wave characteristics of a planing trimaran model in towing tests, in which the resistance drops as soon as the wave surface separates from ...
Yi Jiang, Hanbing Sun, Ankang Hu
exaly   +2 more sources

Analysis of tunnel hydrodynamic characteristics for planing trimaran by model tests and numerical simulations

Ocean Engineering, 2016
The planing trimaran hull has unique hydrodynamic performance due to the tunnel region. In this paper, results of experimental and numerical studies for the planing trimaran hull are presented to analyze the hydrodynamic characteristics of tunnel and its effect on the hull body. Model tests were carried out for volume based Froude number ranging from 0.
Yi Jiang, Hanbing Sun, Ankang Hu
exaly   +2 more sources

Numerical and experimental analyses of hydrodynamic performance of a channel type planing trimaran

Journal of Hydrodynamics, 2014
This paper studies the hydrodynamic performance of a channel type planing trimaran. A numerical simulation is carried out based on a RANS-VOF solver to analyze the hydrodynamic performance of the channel type planing trimaran. A series of hydrodynamic experiments in towing tank were carried out, in which both the running attitude and the resistance ...
Yu-Min Su, Shuo Wang, Su Yu-Min
exaly   +2 more sources

Test Study on Resistance-Reducing Measures of Trimaran Planing Hull

Applied Mechanics and Materials, 2015
In order to reduce the resistance of trimaran planing hull, referring to the resistance-reducing measures of conventional planing hull, the influnce of installing spary rail, bilge keel, hydrofoil in channel, stern flap and air injection device in channel on resistance of trimaran planing hull was tested.
exaly   +2 more sources