Design of high-speed planing hulls for the improvement of resistance and seakeeping performance

Kim, Dong Jin; Kim, Sun Young; You, Young Jun; Rhee, Key-Pyo; Kim, Seong Hwan; Kim, Yeon Gyu

doi:10.2478/ijnaoe-2013-0124

Cited by 44 publications

(26 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Two planing hulls series are considered for this purpose. The first hull is the planing hull series of Naples, 30 and the second series is the planing hull series that was introduced by Kim et al 31 First series is a warped hullform planing hull series and the latter is a spray rail planing hull series. Principal characteristics of these two series are shown in Tables 1 and 2, respectively.…”

Section: Validationmentioning

confidence: 99%

“…The predicted trim angle for the planing hull series introduced by Kim et al 31 is reported in Figure 10. The displayed plots in Figure 10 show good agreement between the predicted trim angles and measurements of Kim et al 31 However, the method under-predicts the trim angle of VPS and VWS and over-predicts the trim of VWS. Error of the proposed method in predicting the trim angle of this series is shown in Table 3.…”

Section: Validationmentioning

confidence: 99%

See 1 more Smart Citation

Steady performance prediction of a heeled planing boat in calm water using asymmetric 2D+T model

Ghadimi

Tavakoli

Dashtimanesh

et al. 2016

Proceedings of the Institution of Mechanical Engineers, Part M:

View full text Add to dashboard Cite

This article presents a simple mathematical model for predicting the running attitude of warped planing boats fixed in a heel angle and free to trim and sinkage. The proposed model is based on asymmetric 2D + T theory utilizing a pressure equation which is previously introduced in the literature to compute the hydrodynamic force acting on a heeled planing hull. Integration of pressure distribution on the asymmetric wedge sections enables the suggested model to compute trim angle, center of gravity rise, resistance, and heeling moment acting on the heeled planing boat in calm water. The hydrostatic force in addition to two drag forces acting on the pressure area and spray area are also taken into account. Finally, a computational algorithm is introduced to find the running attitude of the heeled planing boats. The validity of the proposed model is examined by comparing the obtained running attitudes for two planing hulls series with zero heel angle and computed lift force and heeling moment of a heeled planing boat against available experimental data. Based on the comparisons, favorable accuracy is observed for both symmetrical and asymmetrical conditions. Moreover, it is shown that existence of a heel angle can lead to a decrease in trim angle and resistance, while it intensifies the center of gravity rise of planing boats. It is also observed that as the beam Froude number increases, the heeling moment of the heeled boat reduces.

show abstract

Section: Validationmentioning

confidence: 99%

Section: Validationmentioning

confidence: 99%

Steady performance prediction of a heeled planing boat in calm water using asymmetric 2D+T model

Ghadimi

Tavakoli

Dashtimanesh

et al. 2016

Proceedings of the Institution of Mechanical Engineers, Part M:

View full text Add to dashboard Cite

show abstract

“…On the other hand, three different planing boats were introduced by Kim et al for improving the performance and seakeeping of the planing boats [8]. In this study, third model has favorable resistance and seakeeping performance among the three model ships.…”

Section: Introductionmentioning

confidence: 84%

Optimization of the Drag Force of Planing Boat with Trim Control System Using Genetic Algorithm

Sakaki¹,

Ghassemi²,

Aslansefat³

et al. 2017

AJME

View full text Add to dashboard Cite

The control surface is an effective apparatus for improving the performance of planing boats and is considered an important element in the design of planing boats. Trim-tabs are placed at the transom to give better trim angle in order to diminish the resistance. In this paper, algorithm genetic (GA) is applied to find the trim, resistance and dearrise angle using Savitsky's formulas. The input data are all boat dimensions, including trim-tab data. The output results are trim angle, longitudinal center of gravity (lcg) and deadrise angle (β) and minimum resistance.

show abstract

“…Begovic et al [21] experimentally evaluated the effect of deadrise angle variations along the hull length on seakeeping characteristics and chose regular wave tests to get a better insight on motion and acceleration properties connected with warped hull forms. In addition, Bouscasse et al [22], Kim et al [23] and Diez et al [24] experimentally studied a fast catamaran in both regular and irregular waves to assess the nonlinear effects into her hull motions. Similar work has been done by Bruzzone et al [25], where the heave and pitch motions behaviour of the catamaran in regular waves were assessed.…”

Section: Introductionmentioning

confidence: 99%

Seakeeping performance of a rounded hull catamaran in waves using CFD approach

Fitriadhy¹,

Razali²,

AqilahMansor³

2017

J. MECH. ENG. SCI.

View full text Add to dashboard Cite

Prediction of the seakeeping performance of a ship in the earlier ship's design step is necessary to ensure the safety of navigation during sailing. To accommodate such a demand, this research proposes to analyse the seakeeping performance of a rounded hull catamaran. The vertical motion of the catamaran including the heave and pitch motions were quantified by her Response of Amplitude Operator (RAO). The Computational Fluid Dynamic software was used to develop the model, where several effects of various Froude numbers, hull lateral separation ratios and wavelengths on the heave, and pitch motions of the rounded hull catamaran have been taken into account. The results revealed that the higher Froude number associated with less hull lateral separation ratio was proportional to the subsequent increase of her heave and pitch motions. In the case of / ≤1.0, the seakeeping quality of the rounded hull catamaran has been improved and presented in the form of a sufficient reduction of the heave and pitch motions. It is shown that the estimated seakeeping performance of the rounded hull catamaran greatly depends on the Froude numbers and magnitude of wavelength.

show abstract

Design of high-speed planing hulls for the improvement of resistance and seakeeping performance

Cited by 44 publications

References 5 publications

Steady performance prediction of a heeled planing boat in calm water using asymmetric 2D+T model

Steady performance prediction of a heeled planing boat in calm water using asymmetric 2D+T model

Optimization of the Drag Force of Planing Boat with Trim Control System Using Genetic Algorithm

Seakeeping performance of a rounded hull catamaran in waves using CFD approach

Contact Info

Product

Resources

About