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Advancement in the Fluid Dynamics Research of Reversible Pump-Turbine
| Advancement in the Fluid Dynamics Research of Reversible Pump-Turbine |
| Autore | Tao Ran |
| Pubbl/distr/stampa | Basel, : MDPI - Multidisciplinary Digital Publishing Institute, 2022 |
| Descrizione fisica | 1 electronic resource (180 p.) |
| Soggetto topico |
Technology: general issues
History of engineering & technology |
| Soggetto non controllato |
tip clearance
vertical axial flow pump whole channel numerical simulation pressure pulsation leakage vortex bulb tubular pump numerical simulation adjusting speed transition process pressure fluctuation pump turbine flow energy loss flow-head stability guide vane opening V-inclined pipe sand transport critical velocity flow pattern orthogonal test method lateral intake CFD numerical simulation diversion pier prefabricated pumping station centrifugal pump energy characteristics internal flow field test integrated pump gate inlet channel outlet channel hydraulic performance "S" shaped airfoil bidirectional axial flow pump axial flow pumps energy cavitation numerical calculation Francis turbine sediment erosion clearance CFD |
| ISBN | 3-0365-5857-8 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910637791503321 |
Tao Ran
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| Basel, : MDPI - Multidisciplinary Digital Publishing Institute, 2022 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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CFD Based Researches and Applications for Fluid Machinery and Fluid Device
| CFD Based Researches and Applications for Fluid Machinery and Fluid Device |
| Autore | Kim Jin-Hyuk |
| Pubbl/distr/stampa | Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2021 |
| Descrizione fisica | 1 electronic resource (539 p.) |
| Soggetto topico | Technology: general issues |
| Soggetto non controllato |
centrifugal fan
noise characteristics power consumption negative pressure sound pressure mechanical seal dynamic characteristics extrusion fault numerical simulation sealing performance fluent inducer step casing varying pitch cavitating flow and instabilities partial similarity principle flow similarity stability improvement multi-condition optimization cavitation performance artificial neural networks (ANN) net positive suction head (NPSH) double suction cascade aerodynamic parameterization plane cascade design incidence angle PSO-MVFSA optimization two-vane pump Computational Fluid Dynamics (CFD) Reynolds-averaged Navier-Stokes (RANS) machine learning energy recovery pump as turbine vortex hydraulic losses pressure fluctuation transient characteristics centrifugal pump startup period solar air heater ribs Nusselt number friction factor Reynolds-averaged Navier-Stokes equations thrust coefficient power coefficient figure of merit frozen rotor UAV octorotor SUAV aerodynamic performance rotor spacing hover CFD vortices distribution shape optimization Francis turbine fixed flow passage flow uniformity blade outlet angle Sirocco fan URANS volute tongue radius internal flow noise film cooling large eddy simulation triple holes blowing ratio adiabatic film-cooling effectiveness proper orthogonal decomposition axial compressor tip clearance flow field clearance flow function gas turbine leakage pressure ratio stepped labyrinth seal axial-flow pump root clearance radius computational fluid dynamics entropy production energy dissipation vortex pump lateral cavity open-design spiral flow reactor coolant pump (RCP) waviness leakage rate liquid film axial fan reversible jet design thrust energy characteristics mixing pitched blade turbine impeller inverse design method matching optimization diffuser small hydropower tubular turbine fish farm performance test design factors optimum model the mixed free-surface-pressurized flow characteristic implicit method relative roughness vent holes optimization control microchannel heat sink wavy microchannel groove heat transfer performance laminar flow multi-objective optimization LHS full factorial methods pump-turbine dynamic stress start-up process vortex generator (VG) computational fluid dynamics (CFD) cell-set model RANS LES multistage centrifugal pump double-suction impeller twin-volute inducer-type guide vane trailing edge flap (TEF) trailing edge flap with Micro-Tab deflection angle of the flap (αF) |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910557785803321 |
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Kim Jin-Hyuk
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| Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2021 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Engineering Fluid Dynamics 2019-2020 : Volume 2
| Engineering Fluid Dynamics 2019-2020 : Volume 2 |
| Autore | Hjertager Bjørn |
| Pubbl/distr/stampa | Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2021 |
| Descrizione fisica | 1 electronic resource (202 p.) |
| Soggetto topico | History of engineering & technology |
| Soggetto non controllato |
CFD
gap resonance hydrodynamic forces free surface waves URANS twin-box deck aerodynamics vortex shedding splash lubrication dynamic motion gearbox churning power losses non-inertial coordinate system ground roughness hill shape hill slope large-eddy simulations turbulent flow fields turbulent structure computational fluid dynamics (CFD) large eddy simulations (LES) 3D hill canopy flow fields radiation blocked-off-region procedure heat recuperation anisotropic scattering mie particles numerical simulation horizontal face angle energy dissipation rates stepped spillway ultra-low specific speed magnetic drive pump orthogonal test splitter blades optimized design pressure fluctuation radial force dilution turbulent flame premixed OH CH2O planar laser-induced fluorescence self-excited oscillation jet organ–Helmholtz nozzle pulse waterjet pressure pulsation amplitude WMLES VLSMs LSMs turbulent boundary flow roughness surrogate model deep neural network multiphase flow horizontal pipe liquid holdup pressure gradient coherent structures turbulent boundary layer stability pre-multiplied wind velocity spectrum spatial correlation coefficient field tunnel fires jet fan speed heat release rate aspect ratio smoke movement visibility smoke layer thickness smoke stratification orifice shape vertical jet velocity ratio numerical investigation hydraulic characteristics impinging water jet impinging height numerical calculation swirler optimized genetic algorithms recirculation combustion experimental validation welding spatter distribution shield arc metal welding particle heat transfer fire risk sprinkler fire dynamics simulator (FDS) fire suppression extinguishing coefficient smoke logging smoke spread pipe insulation fire growth rate index scale factor volume fraction ignition heat source maximum heat release rate time to reach maximum HRR (heat release rate) control cylinder energy efficiency clamping pneumatics unsteady RANS simulation two-phase flow riser-induced slug flow LedaFlow VOF-model evacuation interaction between smoke and evacuees inner smoke force modified BR-smoke model twin H-rotor vertical-axis turbines wake instability wavelet transform computational fluid dynamics (CFD), multiphysics heat transfer thermoelectricity automotive traditional market fire spread rate radiant heat flux separation distance rotor stator interaction boundary layer secondary vortex unsteady flow submerged jet climate change renewable energy wind power accelerators turbines power extraction Betz freestream theory hybrid simulation method multi-fluid model discrete element method, sedimentation, bed formation PIV shell-and-tube shell side tube bundle heat exchanger baffle maldistribution |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Engineering Fluid Dynamics 2019-2020 |
| Record Nr. | UNINA-9910557117703321 |
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Hjertager Bjørn
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| Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2021 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Engineering Fluid Dynamics 2019-2020
| Engineering Fluid Dynamics 2019-2020 |
| Autore | Hjertager Bjørn |
| Pubbl/distr/stampa | Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2021 |
| Descrizione fisica | 1 electronic resource (384 p.) |
| Soggetto topico | History of engineering & technology |
| Soggetto non controllato |
CFD
gap resonance hydrodynamic forces free surface waves URANS twin-box deck aerodynamics vortex shedding splash lubrication dynamic motion gearbox churning power losses non-inertial coordinate system ground roughness hill shape hill slope large-eddy simulations turbulent flow fields turbulent structure computational fluid dynamics (CFD) large eddy simulations (LES) 3D hill canopy flow fields radiation blocked-off-region procedure heat recuperation anisotropic scattering mie particles numerical simulation horizontal face angle energy dissipation rates stepped spillway ultra-low specific speed magnetic drive pump orthogonal test splitter blades optimized design pressure fluctuation radial force dilution turbulent flame premixed OH CH2O planar laser-induced fluorescence self-excited oscillation jet organ–Helmholtz nozzle pulse waterjet pressure pulsation amplitude WMLES VLSMs LSMs turbulent boundary flow roughness surrogate model deep neural network multiphase flow horizontal pipe liquid holdup pressure gradient coherent structures turbulent boundary layer stability pre-multiplied wind velocity spectrum spatial correlation coefficient field tunnel fires jet fan speed heat release rate aspect ratio smoke movement visibility smoke layer thickness smoke stratification orifice shape vertical jet velocity ratio numerical investigation hydraulic characteristics impinging water jet impinging height numerical calculation swirler optimized genetic algorithms recirculation combustion experimental validation welding spatter distribution shield arc metal welding particle heat transfer fire risk sprinkler fire dynamics simulator (FDS) fire suppression extinguishing coefficient smoke logging smoke spread pipe insulation fire growth rate index scale factor volume fraction ignition heat source maximum heat release rate time to reach maximum HRR (heat release rate) control cylinder energy efficiency clamping pneumatics unsteady RANS simulation two-phase flow riser-induced slug flow LedaFlow VOF-model evacuation interaction between smoke and evacuees inner smoke force modified BR-smoke model twin H-rotor vertical-axis turbines wake instability wavelet transform computational fluid dynamics (CFD), multiphysics heat transfer thermoelectricity automotive traditional market fire spread rate radiant heat flux separation distance rotor stator interaction boundary layer secondary vortex unsteady flow submerged jet climate change renewable energy wind power accelerators turbines power extraction Betz freestream theory hybrid simulation method multi-fluid model discrete element method, sedimentation, bed formation PIV shell-and-tube shell side tube bundle heat exchanger baffle maldistribution |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910557503803321 |
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Hjertager Bjørn
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| Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2021 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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