Results 31 to 40 of about 1,150 (206)
Applied Ocean ResearchDean vortices are secondary flow vortices formed by the coupling effect of centrifugal and viscous forces when fluid flows through curved pipes. In nearshore pump station inlet flow passages, inhaled sediment interacts with Dean vortices, complicating ...
Cheng Ma +4 more
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Mixing Optimization in Grooved Serpentine Microchannels
Micromachines, 2020 Computational fluid dynamics modeling at Reynolds numbers ranging from 10 to 100 was used to characterize the performance of a new type of micromixer employing a serpentine channel with a grooved surface. The new topology exploits the overlap between the
Tyler Rhoades +2 more
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Performance Investigation of Proton‐Exchange Membrane Fuel Cell with Dean Flow Channels
, 2022 Herein, a novel fuel cell flow field with 3 pi/2 radian Dean flow channels and its impact on the performance of proton exchange membrane fuel cells are presented. With a multidisciplinary numerical model, flow characteristics, concentration distribution,
Dafalla, Ahmed Mohmed +7 more
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International Journal of Automotive Engineering, 2019 Due to the excellent heat transfer characteristics, the spiral coil sub-cooled condenser(SCSCC) has a bright application for the prospective automotive air-conditioning system. The engine load and emissions can be diminished by increasing the coefficient
Hardeep Singh +4 more
doaj +1 more source
Evaluation of shaft forces in a vertical canned motor through local hydraulic loss analysis
Advances in Mechanical Engineering, 2018 In order to improve the stability and the lifespan of rotating components in a canned motor of a centrifugal pump, a local hydraulic loss analysis has been performed based on detailed flow field analysis by Reynolds-averaged Navier–Stokes–based re ...
Miao Guo +4 more
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The Impact of Volute Aspect Ratio on the Performance of a Mixed Flow Turbine
Aerospace, 2017 Current trends in the automotive industry towards engine downsizing mean turbocharging now plays a vital role in engine performance. A turbocharger increases charge air density using a turbine to extract waste energy from the exhaust gas to drive a ...
Samuel P. Lee +3 more
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A numerical study of flow characteristics in a helical pipe
Advances in Mechanical Engineering, 2016 Flow characteristics and loss mechanism inside the helical pipe with large-caliber and large-scale Dean number were analyzed in this study. Numerical simulation was carried out for exploring velocity distribution, pressure field, and secondary flow by ...
Lingdi Tang, Yue Tang, Siva Parameswaran
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Machine‐Learning Microfluidic Minute‐Scale Microorganism Metrics Monitoring(M6)
Advanced Science, EarlyView.ABSTRACT On‐site monitoring of microorganisms remains challenging because of low concentrations, strong background interference, and dynamic aerosol diffusion, particularly for aerosol‐transmitted pathogens. Here, we report a rapid detection platform that integrates a Puri‐focusing microfluidic chip, electrochemical impedance spectroscopy (EIS), and ...
Ning Yang +14 more
wiley +1 more source
, 2023 Two-phase (Taylor flow) and curved reactors (Dean flow) are conventionally used to improve mixing in flow systems by reducing axial dispersion and narrowing residence time distributions. However, when the two flow regimes are superposed in bi-phasic flow
core +1 more source
Exploiting Device Deformability for Fluid and Particle Manipulation
Small, EarlyView.Deformable devices enable fluid and particle manipulation modes that are inaccessible to rigid platforms. This review examines soft materials and architectures that translate controlled deformation into microscale fluid operations such as pumping, valving, mixing, and particle handling.
Zhiyang Hong +4 more
wiley +1 more source