... are the two main ways to do the research. Farabee, Casarella (1991), Cipolla, Keith (2008), and Robin et al. (2013) analyzed the wall pressure beneath turbulent boundary layers of basic geometry such as plates and cylinders through experimental measurements. Moeller et al. (2015), Pang, Yu (2016), and Hu...

... ABSTRACT The wave boundary layer is a thin layer near the bottom generated by progressive waves. The flow structures are complex and the sediment motions are intense in the wave boundary layer A better understanding of the flow structure of the wave boundary layer is necessary...

... physics baeten boundary layer engineering integration scheme configuration liquid dependency pressure drop ABSTRACT This paper takes an innovative approach in analyzing the sloshing physics of liquid H 2 compared to LNG. The transport of liquid H 2 requires extreme boundary conditions...

... ABSTRACT To evaluate the availability of traditional turbulence stimulator in the towing tank test by using model ship at very low speed condition, we carried out a direct numerical simulation for boundary layer flow with a trapezoidal stud. The two Reynolds numbers were tested by changing...

... experiment artificial mattress drag force coefficient upstream oil & gas boundary layer subsea system bed surface experimental data concrete block engineering shear stress hydrodynamic drag prism empirical formula measurement method wave flume force-measuring zone rough...

... reduce the resistance. And it is proposed that bubbles increase the thickness of laminar boundary layer; destroying the subsurface; conjecture of changing momentum transport in turbulent layers to reduce surface friction resistance. (Madavan, et al, 1984) A special plate device was made and carried out...

... overset mesh method overset mesh approach resistance hull surface propeller coefficient hull simulation mesh experimental result ship hull experimental data marine transportation mrf method interaction flow field boundary layer velocity distribution efficiency ABSTRACT...

... concentration (SSC) near the Deepwater Channel after several typhoons in the summer of 2019, the variation characteristics and influencing factors of near–bottom SSC have been analyzed, which is benefit to the further study of channel siltation. INTRODUCTION The bottom boundary layer (BBL) is the interface...

... performance boundary layer actuator line model radial momentum transport inflow fluctuation power output wind farm counter-rotating configuration rotation direction spectrum Proceedings of the Thirty-first (2021) International Ocean and Polar Engineering Conference www.isope.org Rhodes, Greece...

... asymmetric and the corresponding boundary layer As reported by Angrilli et al. (1982), the parameter structural responses will be changed (see Daneshvar et al., 2020). The flow-structure interactions for such a near-wall cylinder have been e/D could have great effect on the Strouhal number (St): the values...

... improvements is believed to be the streamwise vortex which can improve the momentum exchange in the boundary layer. Many numerical and experimental investigations have been conducted to study the influence of Reynolds number and other configurations and to gain a deeper understanding of the underlying flow...

... ABSTRACT It has been proved that injecting bubbles into a turbulent boundary layer can reduce the frictional drag on the plate. Many studies have simulated this problem using Euler-Lagrange method to accurately calculate the motion of bubbles. However, bubble coalescence and breakup have...

... social responsibility average wind speed offshore area wind speed threshold value maximum average wind speed sustainable development boundary layer wind speed profile sustainability extreme value distribution taiwan design wind speed wind field A Study of the Wind Speed Profile of Taiwan...

... ABSTRACT Tsunami-induced bottom shear stress has commonly been evaluated using a friction coefficient for steady flow, such as Manning's roughness coefficient, Chézy formula and Darcy-Weisbach equation, assuming development of bottom boundary layer up to the water surface under tsunami...

... from the propeller, the estimation by CFD is difficult. The fin which is installed on stern hull far upstream form the propeller is hardly affected by the propeller, so the direct interaction between the propeller and the fin is small, and the fin tip is usually in the boundary layer that has...

...∼33% depending on the size of hemisphere for suction ratio (SR)=2.2. INTRODUCTION Vortical system is considered as a main feature to sustain turbulence in a boundary layer by interacting each other. In addition, such turbulent structures resulted in frictional drag, erosion or vibration...

... ABSTRACT Water surface and bottom boundary layer measurements and analyses are presented. These form a protocol to characterize wind driven surface gravity waves in shallow water near shorelines or in shallow open coastal waters and fluid mud movement in a bottom moving lutocline. Synthetic...

... ABSTRACT Fluid mud and fluidized muck measured during an environmental dredging project used passive sondes and a sampling protocol to quantify bottom boundary layer cohesive sediment flux density. Results describe the efficacy of dredging using movement of fluidized particulates...

... in the boundary layer in the upstream flow field of propeller. The fin's dimension is very small compared with ship and distance between fin and propeller, so it is usually difficult to predict the effect of fin to selfpropulsion characteristics by CFD (Computational Fluid Dynamics), although the effect...

... ABSTRACT Results of wave measurements in the marginal ice zone of the Arctic pack ice are analyzed and interpreted using a model of wave damping. The model takes into account wave energy dissipation due to the energy transformations inside turbulent boundary layer below the ice. The model...