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
![]() |
||
Basel, : MDPI - Multidisciplinary Digital Publishing Institute, 2022 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
CFD Modelling and Simulation of Water Turbines |
Autore | Lain Santiago |
Pubbl/distr/stampa | Basel, : MDPI - Multidisciplinary Digital Publishing Institute, 2022 |
Descrizione fisica | 1 electronic resource (214 p.) |
Soggetto topico |
Technology: general issues
History of engineering & technology |
Soggetto non controllato |
tip leakage flow
tubular turbine clearance discipline numerical calculation biological flap hydrodynamic performance stall CFD Computational Fluid Dynamics vertical axis water turbine overset mesh sliding mesh design Archimedes screw hydropower plant quick estimation method Archimedean screw fish safe/friendly multi-ASG hydropower plant hydro power plant small/micro/pico/low head hydro power plant computational fluid dynamics volume of fluid transition SST k-ω turbulence model wake fault diagnostics model-based fault detection fault tolerance fuzzy control hydrokinetic backwater inland hydrokinetic axial flow turbines multiphase pump integrated design Sparse Grid method numerical analysis flow field characteristics reversible water turbines guide vane profile change draft tube vortex belt pressure pulsation energy recovery factor pump-turbine entropy production vorticity energy loss numerical simulation |
ISBN | 3-0365-6016-5 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910639991203321 |
Lain Santiago
![]() |
||
Basel, : MDPI - Multidisciplinary Digital Publishing Institute, 2022 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
Electromagnetic Technologies for Medical Diagnostics. Fundamental Issues, Clinical Applications and Perspectives |
Autore | Crocco Lorenzo |
Pubbl/distr/stampa | MDPI - Multidisciplinary Digital Publishing Institute, 2019 |
Descrizione fisica | 1 electronic resource (240 p.) |
Soggetto non controllato |
glucose-dependent dielectric properties
bioradar dielectric measurements dielectric spectroscopy snare RF sensing microwave breast imaging stress detection microwave resonators dielectric properties equipment-related confounders EMR monitoring phantom tissue-related confounders microwave imaging automated breast diagnosis breast cancer detection dielectric characterization blood glucose levels breast cancer diagnosis numerical calculation breast phantoms tomography image-guided on-site validation microwave tomography microwave non-invasive measurement on-body antennas psychophysiological state monitoring thermal ablation microwave ablation biological tissues breast cancer open-ended coaxial probe brain stroke monitoring machine learning patient study UWB diagnostics reconstruction medical radar unobtrusive monitoring medical imaging microwave spectroscopy UWB breast and head phantoms |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910346687003321 |
Crocco Lorenzo
![]() |
||
MDPI - Multidisciplinary Digital Publishing Institute, 2019 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
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 |
Hjertager Bjørn
![]() |
||
Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2021 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
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 |
Hjertager Bjørn
![]() |
||
Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2021 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
Fluid Flow in Fractured Porous Media . Volume 1 |
Autore | Liu Richeng |
Pubbl/distr/stampa | MDPI - Multidisciplinary Digital Publishing Institute, 2019 |
Descrizione fisica | 1 electronic resource (578 p.) |
Soggetto non controllato |
deformation feature
minerals microstructure mixing permeability gas concentration water-rock interaction loose gangue backfill material unified pipe-network method fracture roof-cutting resistance crack similar-material movable fluid gob-side entry retaining (GER) rock-soil mechanics bed separation orthogonal tests charge separation water soaked height fluid flow in reclaimed soil laboratory experiment longwall mining grading broken gangue MIP elastic modulus effective stress permeability coefficient mixer naturally fracture SEM microstructure characteristics artificial joint rock fractured rock strata movement conservative solute particle velocity dry-wet cycles hydraulic fractures numerical calculation mechanical behaviors normalized conductivity-influence function fractured porous rock mass PPCZ segmented grouting non-aqueous phase liquid intelligent torque rheometer numerical analysis temperature unsaturated soil uniaxial compressive strength mine shaft coalbed methane (CBM) nonlinear flow in fractured porous media similar simulation forecasting tight sandstones oriented perforation hydro-mechanical coupling constant normal stiffness conditions cohesive soils layered progressive grouting chemical grouts grain size of sand Darcy's law soft coal masses hydro-power cyclic heating and cooling cohesive element method cement-based paste discharge tectonically deformed coal split grouting fault water inrush filtration effects T-stress particle flow modeling new cementitious material strength stabilization fractured porous medium brine concentration initial water contained in sand XRD fracture criteria hydraulic conductivity roadway deformation backfill mining adsorption/desorption properties pore pressure roughness cement-silicate grout compressive stress discrete element method dynamic characteristics strain-based percolation model thermal-hydrological-chemical interactions pore distribution characteristics transversely isotropic rocks nitric acid modification disaster-causing mechanism CH4 seepage crack distribution characteristics micro-CT relief excavation Darcy flow hydraulic fracturing mixed-form formulation propagation scanning electron microscope (SEM) images propagation pattern consolidation process rheological deformation gas adsorption soft filling medium ground pressure orthogonal ratio test rock fracture coal seams high-steep slope interface orthogonal test stress interference physical and mechanical parameters fracture propagation fluid-solid coupling theory coupling model surface characteristics numerical manifold method gas lignite water inrush prevention coupled THM model hard and thick magmatic rocks Ordos Basin porosity damage mechanics seepage degradation mechanism high temperature visualization system bentonite-sand mixtures contamination conductivity-influence function deterioration seepage pressure glutenite adhesion efficiency mechanical behavior transition bedding plane orientation enhanced gas recovery debris-resisting barriers reinforcement mechanism on-site monitoring geophysical prospecting cyclic wetting-drying scoops3D semi-analytical solution enhanced permeability management period seepage control deformation Yellow River Embankment impeded drainage boundary rheological test circular closed reservoir grout penetration viscoelastic fluid coal-like material paste-like slurry floor failure depth supercritical CO2 gravel numerical model fractal gas-bearing coal shear-flow coupled test rheological limit strain CO2 flooding flotation goaf slope stability damage coal and gas outburst hydraulic fracture anisotropy high-order effluents FLAC limestone roof sandstone TG/DTG Xinjiang two-phase flow model experiment coal particle volumetric strain failure mode land reclamation sandstone and mudstone particles contiguous seams CO2 geological storage numerical simulation geogrid stress relief optimum proportioning roadside backfill body (RBB) pervious concrete mudstone hydraulic fracture network grouted sand fractal pore characteristics refraction law segmented rheological model ductile failure heterogeneity flow law fracture closure coal measures sandstone tight sandstone gas reservoirs gob behaviors water-dripping roadway creep characteristics internal erosion warning levels of fault water inrush hydraulic aperture bolt support discontinuous natural fracture microscopic morphology critical hydraulic gradient mixed mode fracture resistance differential settlement alternate strata finite element method crushing ratio chloride glauberite cavern for storing oil & macroscopic mechanical behaviors collision angle adsorption performance failure mechanism mechanical properties transmissivity damage evolution gas fracturing multitude parameters deviatoric stress Jiaohe coal soil properties acoustic emission pore structure grouting experiment concrete confining pressures green mining gas drainage fluid viscosity compression deformation Unsaturation adsorption-desorption seepage-creep constitutive model soil particle size Pseudo Steady-State (PPS) constant soil-structure interface debris flow fracture grouting initial settlement position regression equation electrical potential secondary fracture surrounding rock solid backfill coal mining time variation excess pore-pressures finite-conductivity fracture permeability characteristics rainfall-unstable soil coupling mechanism(R-USCM) shaft lining |
ISBN | 3-03921-424-1 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910367755903321 |
Liu Richeng
![]() |
||
MDPI - Multidisciplinary Digital Publishing Institute, 2019 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
Fluid Flow in Fractured Porous Media . Volume 2 |
Autore | Liu Richeng |
Pubbl/distr/stampa | MDPI - Multidisciplinary Digital Publishing Institute, 2019 |
Descrizione fisica | 1 electronic resource (492 p.) |
Soggetto non controllato |
deformation feature
minerals microstructure mixing permeability gas concentration water-rock interaction loose gangue backfill material unified pipe-network method fracture roof-cutting resistance crack similar-material movable fluid gob-side entry retaining (GER) rock-soil mechanics bed separation orthogonal tests charge separation water soaked height fluid flow in reclaimed soil laboratory experiment longwall mining grading broken gangue MIP elastic modulus effective stress permeability coefficient mixer naturally fracture SEM microstructure characteristics artificial joint rock fractured rock strata movement conservative solute particle velocity dry-wet cycles hydraulic fractures numerical calculation mechanical behaviors normalized conductivity-influence function fractured porous rock mass PPCZ segmented grouting non-aqueous phase liquid intelligent torque rheometer numerical analysis temperature unsaturated soil uniaxial compressive strength mine shaft coalbed methane (CBM) nonlinear flow in fractured porous media similar simulation forecasting tight sandstones oriented perforation hydro-mechanical coupling constant normal stiffness conditions cohesive soils layered progressive grouting chemical grouts grain size of sand Darcy's law soft coal masses hydro-power cyclic heating and cooling cohesive element method cement-based paste discharge tectonically deformed coal split grouting fault water inrush filtration effects T-stress particle flow modeling new cementitious material strength stabilization fractured porous medium brine concentration initial water contained in sand XRD fracture criteria hydraulic conductivity roadway deformation backfill mining adsorption/desorption properties pore pressure roughness cement-silicate grout compressive stress discrete element method dynamic characteristics strain-based percolation model thermal-hydrological-chemical interactions pore distribution characteristics transversely isotropic rocks nitric acid modification disaster-causing mechanism CH4 seepage crack distribution characteristics micro-CT relief excavation Darcy flow hydraulic fracturing mixed-form formulation propagation scanning electron microscope (SEM) images propagation pattern consolidation process rheological deformation gas adsorption soft filling medium ground pressure orthogonal ratio test rock fracture coal seams high-steep slope interface orthogonal test stress interference physical and mechanical parameters fracture propagation fluid-solid coupling theory coupling model surface characteristics numerical manifold method gas lignite water inrush prevention coupled THM model hard and thick magmatic rocks Ordos Basin porosity damage mechanics seepage degradation mechanism high temperature visualization system bentonite-sand mixtures contamination conductivity-influence function deterioration seepage pressure glutenite adhesion efficiency mechanical behavior transition bedding plane orientation enhanced gas recovery debris-resisting barriers reinforcement mechanism on-site monitoring geophysical prospecting cyclic wetting-drying scoops3D semi-analytical solution enhanced permeability management period seepage control deformation Yellow River Embankment impeded drainage boundary rheological test circular closed reservoir grout penetration viscoelastic fluid coal-like material paste-like slurry floor failure depth supercritical CO2 gravel numerical model fractal gas-bearing coal shear-flow coupled test rheological limit strain CO2 flooding flotation goaf slope stability damage coal and gas outburst hydraulic fracture anisotropy high-order effluents FLAC limestone roof sandstone TG/DTG Xinjiang two-phase flow model experiment coal particle volumetric strain failure mode land reclamation sandstone and mudstone particles contiguous seams CO2 geological storage numerical simulation geogrid stress relief optimum proportioning roadside backfill body (RBB) pervious concrete mudstone hydraulic fracture network grouted sand fractal pore characteristics refraction law segmented rheological model ductile failure heterogeneity flow law fracture closure coal measures sandstone tight sandstone gas reservoirs gob behaviors water-dripping roadway creep characteristics internal erosion warning levels of fault water inrush hydraulic aperture bolt support discontinuous natural fracture microscopic morphology critical hydraulic gradient mixed mode fracture resistance differential settlement alternate strata finite element method crushing ratio chloride glauberite cavern for storing oil & macroscopic mechanical behaviors collision angle adsorption performance failure mechanism mechanical properties transmissivity damage evolution gas fracturing multitude parameters deviatoric stress Jiaohe coal soil properties acoustic emission pore structure grouting experiment concrete confining pressures green mining gas drainage fluid viscosity compression deformation Unsaturation adsorption-desorption seepage-creep constitutive model soil particle size Pseudo Steady-State (PPS) constant soil-structure interface debris flow fracture grouting initial settlement position regression equation electrical potential secondary fracture surrounding rock solid backfill coal mining time variation excess pore-pressures finite-conductivity fracture permeability characteristics rainfall-unstable soil coupling mechanism(R-USCM) shaft lining |
ISBN | 3-03921-474-8 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910367755803321 |
Liu Richeng
![]() |
||
MDPI - Multidisciplinary Digital Publishing Institute, 2019 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
Intelligent Marine Robotics Modelling, Simulation and Applications |
Autore | Chin Cheng Siong |
Pubbl/distr/stampa | MDPI - Multidisciplinary Digital Publishing Institute, 2020 |
Descrizione fisica | 1 electronic resource (242 p.) |
Soggetto non controllato |
modeling
underwater vehicle gesture-based language text classification navigation and control motion constraints autonomy dynamics marine robotics unmanned surface vehicle field trials actuator constraints robust control fault detection and isolation remotely operated vehicle underwater manipulator intelligent control object obstacle avoidance submersible vehicles overcome strong sea current underwater robot maneuverability identification ROV Lyapunov stability VGI ocean research two-ray path loss obstacle avoidance parallel control approximated optimal control sliding mode control automation systems fault-tolerant control numerical calculation backstepping control deep learning unmanned underwater vehicle (UUV) underwater human–robot interaction aerial underwater vehicle thruster fault airmax position control cross-medium free space second path planning flow sensing underwater vehicle-manipulator system marine systems low-level control dynamic modelling kinematics vehicle dynamics WLAN viscous hydrodynamics fault accommodation RSSI nonlinear systems guidance simulation model artificial lateral system autonomous underwater vehicle typhoon disaster force control |
ISBN | 3-03928-133-X |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910404086003321 |
Chin Cheng Siong
![]() |
||
MDPI - Multidisciplinary Digital Publishing Institute, 2020 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
Mathematical Modelling of Energy Systems and Fluid Machinery |
Autore | Morini Mirko |
Pubbl/distr/stampa | Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2021 |
Descrizione fisica | 1 electronic resource (256 p.) |
Soggetto topico | Technology: general issues |
Soggetto non controllato |
centrifugal pump
double hidden layer Levenberg–Marquardt algorithm performance prediction thermal energy storage stratification dynamic simulation heating double-channel sewage pump critical wall roughness numerical calculation external characteristics axial-flow pump impeller approximation model optimization design multi-disciplinary blade slot orthogonal test numerical simulation Francis turbine anti-cavity fins draft tube vortex rope low flow rates internal flow characteristics unsteady pressure energy recovery turboexpander throttling valves CFD modelling techniques Kaplan turbine draft tube optimization CFD analysis DOE response surface single-channel pump CFD-DEM coupling method particle features and behaviors solid-liquid two-phase flows computational fluid dynamics (CFD) artificial neural network (ANN) subcooled boiling flows uncertainty quantification (UQ) Monte Carlo dropout deep ensemble deep neural network (DNN) intake structures physical hydraulic model free surface flow free surface vortices vertical pump design considerations magnetocaloric effect coefficient of performance refrigeration capacity mathematical modelling energy systems |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910557308703321 |
Morini Mirko
![]() |
||
Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2021 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|