... frequency fluid dynamics production logging production monitoring concentration particle size equation characteristic complex frequency vibration slip velocity asia government stability critical frequency dynamic stability modeling & simulation particle solid particle two-phase flow...

... ABSTRACT The particle distribution characteristics of chips are an important parameter affecting dredging transportation. This paper explores the particle distribution of chips through cutting tests, analyzes the particle size distribution characteristics and particle size composition...

... collapse due to liquefaction of the sandy beach. In this study, we aim to grasp the spatial features of the coastal beach on Awaji Island by analyzing the image to understand the characteristics of the particle size and shape of the coastal sandy beaches of Awaji Island and considering the liquefaction...

... on Coupled Eulerian-Lagrangian Method (CEL), and the installation trajectory of drag anchors in the clay seabed was obtained. The embedding-pulling motion trajectory of drag anchors in a rockfill protective layer with different particle sizes was simulated by Discrete Element Method (DEM). The numerical...

... erosion rate maximum erosion rate straight pipe erosion test asia government flexible pipe particle size rate distribution highest erosion rate thickness loss upstream oil & gas china government bend pipe thickness carcass coupon pipe particle sand particle size position...

... wave condition. europe government particle dimension unphysical gap particle size marine transportation simulation ship motion equation japan government particle dpc model boundary sph simulation asia government accuracy dbc model dualsphysic prediction accuracy simulation...

... impact pressure freak wave elevation upstream oil & gas climate change sub-sea system platform wave impact experimental data wave impact pressure offshore wind turbine simulation platform motion interaction particle size freak wave impact dualsphysic wave profile equation zhang...

... evident reveal; and numerical simulations should be more adjusted for real engineering scales with the random and heterogeneous properties of soil particles fully regarded. fluid dynamics hydraulic gradient particle size analytical method internal stability upstream oil & gas erosion...

... ABSTRACT Settling characteristics of sediment in hopper are affected by many parameters, such as particle size, hopper structure, energy dissipation of inflow structure, overflow form, inlet flow and the inflow concentration, etc. Extremely low settling velocity and immensely easily...

... upstream oil & gas particle size blade pressure surface fluid dynamics particle suction surface different particle size particle concentration multiphase flow centrifugal pump pressure surface trajectory numerical simulation solid-liquid two-phase flow particle trajectory...

... flexible pipes is investigated. Based on various attenuation models, the ECAH model, UA model, HT model and BLBL model are compared, and the ultrasonic attenuation mechanisms at different frequencies, particle sizes and concentrations are analyzed. The multilayer model was established by COMSOL...

... ABSTRACT Calcareous soils have been identified as problematic due to the special characteristics such as higher compressibility and softening, higher strain rate dependency as well as contractancy and dilatancy depending on the particle size (along with other factors). With the aim to propose...

... upstream oil & gas pipeline pigging sand content midstream oil & gas sand deposition amount subsea pipeline modeling & simulation flow velocity deposition amount horizontal section sand density offshore pipeline particle size sand deposition law analysis stable sand...

..., the erosion and deposition process of the sediment on top of caisson for an subsea production system were simulated. The results show that the backfilled soil with the median particle size of 0.2mm can be washed away to expose the whole manhole when the buried depth is 0.5 and 1 m, and the manhole area can...

... Abstract This study presents the interfacial shear properties of carbonate sands and carbonate gravels based on the direct shear tests. The results showed that the ultimate state friction angle of carbonate soil was related to relative density and particle size, whereas the phase...

... of cement strength at low-temperature in deep water, a new type of low-temperature early-strength cement slurry was developed through the study of admixtures and the high-packing optimization design of the cement slurry system. cement property upstream oil & gas particle size low temperature...

... by the size of voids in sandy soil because the grout material contains particles of cement. Ultra-fine particle cement is one of the grout materials that permeates well into sandy ground and has excellent strength. Although the ultra-fine particle cement has the smaller particle size than that of normal...

... pressure separation ratio particle size reservoir surveillance production logging production well upstream oil & gas flow rate gas-liquid separation ratio flow characteristic apparatus filtration particle size bubble diameter water line gas-liquid separator fluid dynamics mesh drift...

.... incipient motion boundary fluid phase scour particle size openfoam experimental data reservoir characterization solver flow field foundation reservoir simulation boundary condition cfd monopile numerical simulation sediment transport coupling method upstream oil & gas particle...

... amplitude amplitude piston motion simulation upstream oil & gas deformation sph simulation experiment experimental validation water depth sph particle size wave pressure propagation particle hydrodynamic wave elevation Experimental Validation of SPH for Wave Generation and Propagation...