A study of interceptor performance for deep-v planing hull

Samuel, Sonia; Yulianti, Serliana; Manik, Parlindungan; Fathuddiin, Abubakar

doi:10.1088/1755-1315/1081/1/012004

Cited by 5 publications

(6 citation statements)

References 9 publications

(11 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This study compares the results of the drag, sinkage, and trim analysis with 100% interceptor conditions in the close-to-keel position. Research verifi cation by comparing the results of the CFD simulation [3] with the experimental results which can be represented in Figure 10. The graph shows the same pattern between the two research methods.…”

Section: Ver Ifying Cfd and Experimental Results / Provjera Cfd-a I E...mentioning

confidence: 93%

“…The eff ect of the layout and blade height of the interceptor was illustrated using numerical simulation [2]. The interceptor can reduce drag by as much as 57% at a Froude number of 0.87 near the chine position [3]. Mansoori and Fernandes proved that the interceptor was able to improve ship behavior by controlling the porpoising eff ect [4].…”

Section: Introduction / Uvodmentioning

confidence: 99%

See 1 more Smart Citation

Numerical Research on the Influence of Interceptor Flaps on the Planing Hydrodynamic Performance

Samuel,

Yulianti,

Manik

et al. 2023

Naše more

View full text Add to dashboard Cite

The trim tab and interceptor have been utilized to optimize the running trim and motion control of planing boats at varying speeds in calm water. Increasing the height of the interceptor can create excessive drag and bow-down trim. The effectiveness of the interceptor can be increased by integrating it with a horizontal flap. This research focuses on the impact of the influence caused by interceptor flaps on the pressure distribution and fluid flows around the vessel. To simulate trim and sinkage measurement, the environment was modeled in the two-degree of freedom condition. Variation of integrated interceptor flaps has been analyzed with Finite Volume Method (FVM) based on RANS (Reynolds-Averaged Navier-Stokes) equation using overset mesh. The turbulent K- ε and VOF (Volume of Fluid) models are used to model the water and air phases. The grid convergence study is performed to establish the parallel solver’s grid independence. To confirm the accuracy of the test in the bare hull condition, the numerical approach was tested experimentally. The result of drag, trim, and sinkage was calculated and it has been proved that the added flaps into interceptors are very useful in drag reduction and trim control. The percentage of interceptor height is directly proportional to the resulting lift force. Higher lift force can more effectively improve trim and reduce drag. Overall, this study shows an improvement in ship performance when using an interceptor and interceptor flap. One of the model configurations in the study has been shown to reduce drag by up to 33.3% at Froude number 1.45 when compared to ships without an interceptor.

show abstract

Section: Ver Ifying Cfd and Experimental Results / Provjera Cfd-a I E...mentioning

confidence: 93%

Section: Introduction / Uvodmentioning

confidence: 99%

Numerical Research on the Influence of Interceptor Flaps on the Planing Hydrodynamic Performance

Samuel,

Yulianti,

Manik

et al. 2023

Naše more

View full text Add to dashboard Cite

show abstract

“…This transition state demonstrated a significant improvement in trim and drag values; hence, the transition was the optimal condition for interceptor installation. Therefore, it was not advised to use the interceptor's maximum height under planing conditions since it could create excessive trim [18].…”

Section: Simulation Resultsmentioning

confidence: 99%

A Study of the Resistance Components of Planing Hull Using Interceptors

Samuel

Yulianti

Manik

2023

IOP Conf. Ser.: Earth Environ. Sci.

Self Cite

View full text Add to dashboard Cite

The extreme motions created a negative effect on planing hull. Otherwise, interceptors enable the improvement of hydrodynamic characteristics of the highspeed craft. The total drag of the ship can be divided into two components: pressure and shear forces. This project specifically aims to predict the drag component based on CFD simulation with and without an interceptor based on resistance components. The volume of fluid is used in a compound with a RANS solver to determine drag and trim in calm water conditions. SIMPLE algorithm using overset mesh and DFBI was modeled free in heave and pitch to simulate the rigid body motion as a response to shear and pressure drag exerted by the fluid. A grid independence study has been used to predict uncertainties using time-step and grid spacing. Additionally, to guarantee to proceed with the simulation, ITTC recommendations had been followed. The benchmark study was undertaken as an experimental comparison by Park et al. In general, ship performance was controlled by pressure force in the displacement phase and planing phase, the shear and pressure forces are balanced. The interceptor can decrease the pressure force by 5% in the hump region and planing phase.

show abstract

“…Interceptor research using the Aragon 2 hull form has also been carried out by Samuel et al, with a 57% drag reduction in the close-to-chine position [14]. In other research with different interceptor forms, including the v-form interceptor, the result was a 21% drag reduced at a Froude number of 0.87 [15]. The choice of the optimal interceptor height greatly affected its efficiency [16].…”

Section: Introductionmentioning

confidence: 94%

Advancing Interceptor Design: Analyzing the Impact of Extended Stern Form on Deep-V Planing Hulls

Samuel Samuel,

Rizal Kurnia Praja,

Deddy Chrismianto

et al. 2024

CFDL

View full text Add to dashboard Cite

The deep-v planing hull is designed to operate at high speeds because most of the hull’s weight is supported by the hydrodynamic lift acting on the hull base. Planing hull form characteristics such as deadrise angle, chines, and extended stern significantly affect the ship’s hydrodynamic performance. The addition of the interceptor is an innovation to reduce the total resistance of the ship by controlling the trim angle. However, the form of the ship’s stern is not always the same; thus, it needs to be studied based on the form of the ship’s stern. The extended stern form refers to modifying the hull geometry at the rear, particularly the stern extension beyond its conventional length. This research aimed to analyze the hydrodynamic performance of the interceptor at the extended stern angle. Furthermore, Computational Fluid Dynamics (CFD) simulations were performed to analyze the effect of the extended stern form. A numerical model of the deep-V planing hull with variations of the stern extension was developed, and the flow behavior around the hull was analyzed using CFD techniques. Simulations were conducted under various operating conditions, including different speeds and interceptor strokes. The results indicated that the extended stern's different forms could affect the ship's resistance, trim, and heave. The reduction in resistance was seen at moderate speeds, thereby reducing steep trim angles. The greater the extended stern angle, the more significant the reduction in ship resistance at Fr 0.58 by 26%. Likewise, the combination of interceptor and extended stern experienced a decrease in resistance in the semi-displacement phase with a percentage of 33% resistance, 66% trim, and 47% heave. The interceptor stroke (d) depended on the boundary layer (h). The extended stern with angles of 10°, 20°, and 30° were found to have d/h ratios of 0.38, 0.37, and 0.34. However, it should be noted that extending the stern without interceptors and with interceptors at high speeds could result in a dangerous increase in resistance on high-speed vessel.

show abstract

A study of interceptor performance for deep-v planing hull

Cited by 5 publications

References 9 publications

Numerical Research on the Influence of Interceptor Flaps on the Planing Hydrodynamic Performance

Numerical Research on the Influence of Interceptor Flaps on the Planing Hydrodynamic Performance

A Study of the Resistance Components of Planing Hull Using Interceptors

Advancing Interceptor Design: Analyzing the Impact of Extended Stern Form on Deep-V Planing Hulls

Contact Info

Product

Resources

About