Test research on the resistance performance of high-speed trimaran planing hull

Ma, Wenyong; Sun, Huawei; Zeng, Jin; Yang, Heng

doi:10.2478/pomr-2013-0040

Cited by 21 publications

(10 citation statements)

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“…Trimarans have wide naval applications and for civil transportation provide such outstanding advantages as: lower levels of resistance at high speed, good seakeeping performance and a comparatively wide deck compared with mono-hull and catamaran hull forms. The published research addresses: strength (Wu et al, 2011b;Zhen et al, 2012) and resistance (Ma et al, 2013) of the high speed trimaran, good seakeeping performance (Davis and Holloway, 2007) and multi-hull configuration optimisation (Zhang and Han, 2011).…”

Section: Introductionmentioning

confidence: 99%

A fast numerical method for trimaran wave resistance prediction

Chen

et al. 2015

Ocean Engineering

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Section: Introductionmentioning

confidence: 99%

A fast numerical method for trimaran wave resistance prediction

Chen

et al. 2015

Ocean Engineering

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“…Ghassabzadeh and Ghassemi developed an innovative method for the parametric design of a planing tunnel vessel, and numerical and experimental research on its resistance performance was also performed [9,10]. Ma et alconducted a series of model tests to investigate the resistance and sea keeping performance of a planing trimaran, in which step was introduced on main hull bottom to reduce the high-speed resistance, and the effect of hydrofoil and bilge keel in the tunnel region were also tested [11,12]. Su et al experimentally investigated the planing trimaran as well, the following numerical results were focused on the influence of the longitudinal location of a gravity center and displacement on resistance [13].…”

Section: Introductionmentioning

confidence: 99%

Numerical Investigations on the Resistance and Longitudinal Motion Stability of a High-Speed Planing Trimaran

Sun

Zeng

Sun

et al. 2020

JMSE

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The planing trimaran is a novel kind of aerodynamic alleviated marine vehicle and possesses a unique hybrid hydrodynamic and aerodynamic characteristics. In this paper, to investigate the hull behavior of a planing trimaran under the effect of tunnel forces, the tunnel and demihull are treated as appendages mounted on the slender main hull. Numerical simulations were carried out for planing trimaran and a monohull which was built according to the main hull configuration. Mesh convergence studies were implemented based on the public experimental data of a similar planing trimaran. Calculated results show that the presence of tunnel and demihull could decrease the resistance of the main hull and improve the longitudinal motion stability at high speeds. Flow evolutions of waves, velocity vector, wetted length and lift distribution were performed to explain the variation of the tunnel lift and its moment and their influence on hull behavior. Parameter studies on demihull length were carried out as well. It was found that, as the demihull length is increased, the tunnel trimming moment would decrease especially in the final stage of ventilation, making resistance reduced but the motion stability weakened.

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“…Furthermore, using underwater photographs, White et al 10 reported the effects of step location and step height on wetted surface. Systematic experimental studies of the stepped planing hull series have been conducted by Morabito et al, 3 Lee et al, 4 Ma et al 11 and Taunton et al 12 Besides the mentioned experimental studies, mathematical models have also been used to model nonstepped/stepped planing hulls. 13,14 Some of these mathematical methods have been established by using the 2D + T method, where the results of water entry of a wedge [15][16][17] are used to simulate motion of planing hulls in both calm water and waves (see, for example, Tavakoli et al, 14 Tavakoli and Dashtimanesh 15 and Ghadimi and colleagues [18][19][20][21] ).…”

Section: Introductionmentioning

confidence: 99%

Effects of step configuration on hydrodynamic performance of one- and doubled-stepped planing flat plates: A numerical simulation

Dashtimanesh

Roshan

Tavakoli

et al. 2019

Proceedings of the Institution of Mechanical Engineers, Part M:

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Categorized as one of high-speed marine vehicles, stepped planing hulls have the potential to reach relatively high speed in the sea by decreasing wetted surface. There were and still are some challenges in modeling of these vessels and design of ideal situation of steps. In the current study, a numerical-based method has been used to provide understanding about the effect of step height and its location on hydrodynamic characteristics of double-stepped planing plates. At the first step, one-stepped planing plate is numerically simulated. Results are compared against exiting numerical data, suggesting that results of the current numerical simulation are similar to results of previous numerical simulations. Then, double-stepped planing plates are modeled and pressure distribution, wetted length, free surface elevation and drag over lift ratio are computed. It is seen that, ventilation length behind the step and pressure coefficient are increased when step height of one- and a double-stepped planing plates are increased. It has been shown that, unlike an one-stepped planing plate, drag coefficient of a double-stepped planing plate can be increased when the step height is increased. The effects of the location of the second step on the performance of the planing plate have been explored, showing that this position plays a critical role on hydrodynamic forces. It is demonstrated that when the smallest possible lift force is produced by the middle-body, the plate shows the best performance (highest lift over drag ratio).

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Test research on the resistance performance of high-speed trimaran planing hull

Abstract: ABSTRACT

Cited by 21 publications

References 0 publications

A fast numerical method for trimaran wave resistance prediction

A fast numerical method for trimaran wave resistance prediction

Numerical Investigations on the Resistance and Longitudinal Motion Stability of a High-Speed Planing Trimaran

Effects of step configuration on hydrodynamic performance of one- and doubled-stepped planing flat plates: A numerical simulation

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