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Rising pollution, climate change and the depletion of fossil fuels are leading many countries to focus on renewable-based energy conversion systems. In particular, recently introduced energy policies are giving high priority to increasing the use of renewable energy sources, the improvement of energy systems’ security, the minimization of greenhouse gas effect, and social and economic cohesion. Renewable energies’ availability varies during the day and the seasons and so their use must be accurately predicted in conjunction with the management strategies based on load shifting and energy storage. Thus, in order to reduce the criticalities of this uncertainty, the exploitation of more flexible and stable renewable energies, such as the geothermal one, is necessary. Geothermal energy is an abundant renewable source with significant potential in direct use applications, such as in district heating systems, in indirect use ones to produce electricity, and in cogeneration and polygeneration systems for the combined production of power, heating, and cooling energy. This Special Issue includes geothermal energy utilization and the technologies used for its exploitation considering both the direct and indirect use applications.

Research & information: general --- Technology: general issues --- geothermal power production --- abandoned oil reservoirs --- in situ combustion --- organic Rankine cycle (ORC) --- plunger pump --- centrifugal pump --- pressure drop --- temperature utilization rate --- system generating efficiency --- carbonate geothermal reservoirs --- sustainable geothermal energy exploitation --- southern Italy --- numerical simulation --- dual-loop ORC --- mixture working fluids --- entropy generation --- entransy loss --- exergy loss --- Ground source heat pump --- oval cross-section --- groundwater --- borehole heat exchanger --- CFD --- Sandtank --- granite --- physical characteristics --- cyclic --- thermal treatment --- water cooling --- hybrid renewable polygeneration plant --- micro organic Rankine cycle --- evacuated solar thermal collectors --- photovoltaic panels --- plastic heat exchanger --- Organic Rankine Cycle --- geothermal energy --- shell and tube heat exchanger --- fouling resistance --- mobile thermal energy storage (M-TES) --- phase change material (PCM) --- LCOH --- heat transport --- renewable energy source --- household hybrid system --- dynamic simulation --- economic analysis --- TRNSYS software --- heating and cooling network --- polygeneration system --- geothermal energy community --- ORC --- energy district --- heat pump --- R1234ze --- CO2 --- geothermal --- renewable energy --- historic building --- energy saving --- earth-to-air --- horizontal pipe --- 2D model --- air conditioning --- renewable energy sources --- thermal performances --- energy efficiency --- parametric study --- geothermal resource --- Monte Carlo simulation --- assessment --- thermal reservoir --- North Jiangsu Basin

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This book contains the successful submissions to a Special Issue of Energies entitled “Engineering Fluid Dynamics 2019–2020”. The topic of engineering fluid dynamics includes both experimental and computational studies. Of special interest were submissions from the fields of mechanical, chemical, marine, safety, and energy engineering. We welcomed original research articles and review articles. After one-and-a-half years, 59 papers were submitted and 31 were accepted for publication. The average processing time was about 41 days. The authors had the following geographical distribution: China (15); Korea (7); Japan (3); Norway (2); Sweden (2); Vietnam (2); Australia (1); Denmark (1); Germany (1); Mexico (1); Poland (1); Saudi Arabia (1); USA (1); Serbia (1). Papers covered a wide range of topics including analysis of free-surface waves, bridge girders, gear boxes, hills, radiation heat transfer, spillways, turbulent flames, pipe flow, open channels, jets, combustion chambers, welding, sprinkler, slug flow, turbines, thermoelectric power generation, airfoils, bed formation, fires in tunnels, shell-and-tube heat exchangers, and pumps.

History of engineering & technology --- 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

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• Reference Manager
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This book contains the successful submissions to a Special Issue of Energies entitled “Engineering Fluid Dynamics 2019–2020”. The topic of engineering fluid dynamics includes both experimental and computational studies. Of special interest were submissions from the fields of mechanical, chemical, marine, safety, and energy engineering. We welcomed original research articles and review articles. After one-and-a-half years, 59 papers were submitted and 31 were accepted for publication. The average processing time was about 41 days. The authors had the following geographical distribution: China (15); Korea (7); Japan (3); Norway (2); Sweden (2); Vietnam (2); Australia (1); Denmark (1); Germany (1); Mexico (1); Poland (1); Saudi Arabia (1); USA (1); Serbia (1). Papers covered a wide range of topics including analysis of free-surface waves, bridge girders, gear boxes, hills, radiation heat transfer, spillways, turbulent flames, pipe flow, open channels, jets, combustion chambers, welding, sprinkler, slug flow, turbines, thermoelectric power generation, airfoils, bed formation, fires in tunnels, shell-and-tube heat exchangers, and pumps.

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

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

This book contains the successful submissions to a Special Issue of Energies entitled “Engineering Fluid Dynamics 2019–2020”. The topic of engineering fluid dynamics includes both experimental and computational studies. Of special interest were submissions from the fields of mechanical, chemical, marine, safety, and energy engineering. We welcomed original research articles and review articles. After one-and-a-half years, 59 papers were submitted and 31 were accepted for publication. The average processing time was about 41 days. The authors had the following geographical distribution: China (15); Korea (7); Japan (3); Norway (2); Sweden (2); Vietnam (2); Australia (1); Denmark (1); Germany (1); Mexico (1); Poland (1); Saudi Arabia (1); USA (1); Serbia (1). Papers covered a wide range of topics including analysis of free-surface waves, bridge girders, gear boxes, hills, radiation heat transfer, spillways, turbulent flames, pipe flow, open channels, jets, combustion chambers, welding, sprinkler, slug flow, turbines, thermoelectric power generation, airfoils, bed formation, fires in tunnels, shell-and-tube heat exchangers, and pumps.

History of engineering & technology --- 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