...‐precision demands, and varied material combinations. Integrates particle velocity, impact angle, and material hardness. Calibration is complex; computational cost is high. Suited for multiphase flows under complex impact conditions. McLaury Erosion Model The McLaury erosion model can be expressed...

... dynamics (CFD)-based multiphase flow modeling and machine learning analysis. This study combines CFD multiphase flow modeling with machine learning algorithms to enhance understanding of HPU behavior, specifically regarding air entrainment and material efficiency. Through 300 simulations, the analysis...

... phenomena. e-mail:  [email protected] e-mail:  [email protected] 07 03 2024 24 07 2024 24 08 2024 airlift pump flow regimes bubbly flow submergence ratio multiphase flow Consejo Nacional de Ciencia y Tecnología 10.13039/501100003141...

... velocity, and M its Mach number. Thus, d A / d u < 0 for subsonic flows ( M < 1) and d A / d u > 0 for supersonic flows ( M > 1). In multiphase flows, ∇ α s where α s is the solids volume fraction, effectively analogous...

... in multiphase flow simulations. This method was previously used in adiabatic bubble rise simulation with no heat and mass transfers to or from the bubble were considered. This work will extend the ISM method's application to simulate vapor bubble growth in superheated water with the inclusion of additional...

..., 2019. Assoc. Editor: Bart van Esch. 05 04 2018 19 12 2018 cavitation void fraction Venturi tube lumped parameters multiphase flow Fig. 11 A cycle of the dynamic behavior of the biphasic flow in the divergent zone with σ = 0.36 . A video was taken at 49,008 fps...

... . Manuscript received December 23, 2016; final manuscript received September 10, 2018; published online November 8, 2018. Assoc. Editor: Kausik Sarkar. 23 12 2016 10 09 2018 horizontal well coiled tubing drilling turbulent flow solid transport multiphase flow hole cleaning PIV...

... of higher damage risk was presented and verified in the test case runner. Pelton cavitation CFD multiphase flow Erosion and wear of hydraulic surfaces are frequent problems in hydraulic turbines. The damage leads to the continuous change of the turbine hydraulic profiles and a decrease...

... and the published data is smaller than 10%. non-Newtonian fluids multiphase flow mathematical modeling fluid mechanics interface In the industries of power plants, chemical process, nuclear reactors, petroleum and others, non-Newtonian two-phase flows are commonly found [ 1 ]. Many industrial...

... system and the air content in the pulp suspension. In high concentration and small tip clearance conditions, friction loss increases a great deal and results in an efficiency reduction. centrifugal pump experiment medium consistency paper pulp multiphase flow non-Newtonian suspension...

...-Droplets Flow Downstream of a Sudden Pipe Expansion ,” Int. J. Heat Mass Transf. , 52 , pp. 4711 – 4721 . 10.1016/j.ijheatmasstransfer.2009.06.018 [18] Manninen , M. , Taivassalo , V . , Kallio , S. , and Akademi , Å. , 1996 , “ On the Mixture Model for Multiphase Flow ,” VTT...

... effects, respectively. The bubble breakup and coalescence closure models were implemented into CFDLib , a multiphase flow source code developed by Los Alamos National Laboratory, and validated with experiments. The computational fluid dynamics (CFD) simulations were then compared to experimental...

... of the primary bubble while wavy patterns in the velocity, pressure, and void fraction fields propagate in space and time. 18 02 2011 30 09 2011 20 12 2011 20 12 2011 bubbles flow simulation fluid oscillations mixtures two-phase flow multiphase flow bubble dynamics bubbly...

... useful regarding results obtained in the case of the two-phase flow of liquid and vapor. By using an additional dispersed phase while solving the system of the equations, a greater number of empirical attachments is used. As a consequence, the result from the numerical simulation of multiphase flow...

... and therefore cannot be predicted by analytical approaches and two-dimensional CFD simulations. Recently, computational fluid dynamics (CFD) simulations have become a useful alternative to experiments, owing to the fact that multiphase flow measurements in systems with complex geometries (such as packing...

...Theodore J. Heindel Flow visualization and characterization of multiphase flows have been the quest of many fluid mechanicians. The process is fairly straight forward only when there is good optical access (i.e., the vessel is not opaque or there are appropriate viewing ports) and the flow...

... multiphase flow petroleum industry pipe flow pipelines gas-liquid flows hydrodynamic slugging mechanistic approach Lagrangian method The simultaneous flow of gases and liquids is a phenomenon commonly found in nature as well as in industrial environments. Such kind of flows may happen...

... 2011 10 03 2011 cavitation flow simulation marine systems multiphase flow nonlinear dynamical systems propellers turbulence marine propeller computational fluid dynamics nonlinear turbulence model turbulent flow cavitation multiphase flow Marine propeller...

... underpressure of the cavity, where P v in Eq. 1 is replaced by the cavity pressure P c . Supercavitation usually occurs at cavitation numbers below approximately 0.1. supercavitation multiphase flow hydrodynamics experimental techniques underwater projectile dynamics...

... the momentum transfer between the gas phase and the liquid droplet. In this paper, the droplet size distribution in gas-liquid annular flow is studied using a numerical approach. annular flow multiphase flow population balance size distribution computational fluid dynamics drops flow...