... passage or lock operation. Chemical treatments near lock structures will require large-scale fluid-mechanic systems and significant energy. Mixing must extend to all stagnation regions within a lock structure to prevent the passage of an invasive fish. This work describes the performance of both wall...

... . Manuscript received April 16, 2018; final manuscript received August 3, 2018; published online September 10, 2018. Assoc. Editor: Wayne Strasser. 16 04 2018 03 08 2018 Environmental flows Liquid-solid Mixing Multiphase flows Slurry flows Suspensions Motion and mixing...

... NGINEERING . Manuscript received September 5, 2017; final manuscript received July 10, 2018; published online August 16, 2018. Assoc. Editor: Oleg Schilling. 05 09 2017 10 07 2018 Boundary layers Computational fluid dynamics Duct Fluid transients Microfluidics Mixing Non-Newtonian...

...Benjamin Giron-Palomares; Abel Hernandez-Guerrero; Ricardo Romero-Mendez; Qiang He Enhancing mixing in heat exchangers for low Re regimes is vital. A better mixing may be achieved by using corrugated plates. In this work, the flow patterns between corrugated plates with a novel egg-carton geometry...

... Cavitation Cavity flows Micro-scale flows Microfluidics Mixing Multiphase flows Vortices Wakes Hydrodynamic cavitation, an extensively studied phenomenon at conventional scales, which burdens the operability and performance of hydraulics machines, can occur in microdomain and can adversely...

... Mereu. 18 01 2018 04 05 2018 Computational fluid dynamics Jets Laser diagnostics Mixing PIV RANS simulations Turbulence Turbulence modeling The systems and component designs of advanced reactors can be analyzed through the use of computational fluid dynamics (CFD...

...Wagih Abu Rowin; R. Sean Sanders; Sina Ghaemi Preparation of large-scale homogeneous solutions of drag reducing polymers requires an appropriate mixing procedure to ensure full disentanglement of the polymer chains without chain scission due to over-mixing. The latter is known as mechanical...

... triangular and round sharp contraction jets. The results show shorter potential core length, faster growth of turbulence intensity, and faster diffusion of turbulent structures to the centerline of the triangular jets, implying enhanced mixing in the near field of these jets. On the other hand, the velocity...

.... Nikolos. 20 03 2017 02 04 2018 Computational fluid dynamics Mixing Multiphase flows Sprays Turbulence modeling Droplets Flashing flow is a phase change phenomenon, which occurs in high-speed flow inside nozzles, because of the thermal nonequilibrium effect (viz...

... ppm. Triton X-100 was mixed with water to increase the emulsion capability during crude oil–water flows. The results showed significant influence of water, flow rate, and temperature on the hydrodynamic entry region length, pressure drop, viscosity, and velocity profiles along with natural surfactant...

...Assaf Shimony; Guy Malamud; Dov Shvarts A comprehensive numerical study was performed in order to examine the effect of density ratio on the mixing process inside the mixing zone formed by Rayleigh–Taylor instability (RTI). This effect exhibits itself in the mixing parameters and increase...

...Masoud Darbandi; Moslem Sabouri This work utilizes the direct simulation Monte Carlo (DSMC) calculations and examines the influence of rarefication on the mixing length and effective diffusion coefficient in a two-species mixing problem. There have been efforts in past rarefied mixing flow studies...

...K. Hejranfar; M. Ebrahimi; M. Sadri In this work, the capability and performance of the vorticity confinement (VC) implemented in a high-order accurate flow solver in predicting two-dimensional (2D) compressible mixing layer flows on coarse grids are investigated. Here, the system of governing...

... Mixing Shocks The low grade heat energy-based refrigeration systems like vapor absorption refrigeration system and ejector refrigeration system (ERS) are becoming popular because of the Kyoto Protocol and the Paris Agreements on climate change. Reduction in CO 2 emission and use of ecofriendly...

... is to result not only in an increased mixing level of the in-flown and internal air in a room but also, due to its transverse range, in a decreased time-averaged gradient of velocity and temperature in a ventilated room [ 18 ]. A general trend in coming back to the concept of fluidic elements based...

... of vortices and their number are determined by the aspect and radius ratios, in agreement with past numerical and experimental investigations by Adebayo and Rona [ 23 , 24 , 33 ], where the physics of the fluid motion have been analyzed in more detail. This includes a discussion on the inter-vortex mixing...

..., the higher spreading observed in the minor plane can be attributed to the existence of more intense rotational motions which play an important role in jet mixing. The product of the fraction and mean strength for all the events for the round and ellipse2 jets is shown in Figs. 10( c ) and 10( d...

..., and the convergence properties of integral mixing diagnostics and late-time spectra are established. A comparison between the methods is made using the data from the highest resolution simulations in order to validate the Ares hydro scheme. We find that the integral mixing measures, which capture the global...

... ,” Water Res. , 39 ( 18 ), pp. 4287 – 4298 . 10.1016/j.watres.2005.07.043 Computational fluid dynamics Duct Mixing Channel Pipe flows In drinking water networks, the water quality has to be guaranteed to the users by the operator. Hence, chlorine is injected into the network...

.... J. , 46 ( 6 ), pp. 679 – 693 . 10.1139/T09-014 [13] Friedman , P. D. , and Katz , J. , 1999 , “ The Flow and Mixing Mechanisms Caused by the Impingement of an Immiscible Interface With a Vertical Jet ,” Phys. Fluids , 11 ( 9 ), pp. 2598 – 2606 . 10.1063/1.870122 [14...