DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP DEPARTMENT OF SCIENCES AND METHODS FOR ENGINEERING UNIVERSITY OF MODENA AND REGGIO EMILIA LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP AN INNOVATIVE THEORY FOR THE STUDY OF NON-IDEAL FLUIDS FOR FLUID POWER APPLICATIONS NON IDEAL FLUIDS THEORETICAL APPROACH VISCOSITY ELASTICITY FLUID MODEL FLUID MEMORY FLUID RELAXATION YOGURT STRESS: NUMERICAL VS. EXPERIMENTAL COMPARISON APPLICATION FIELDS CERAMIC NUMERICAL RESULTS APPLICATION: FOOD INDUSTRY ALIMENTARY HYDRAULIC ELASTOMERIC AND POLYMERIC LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP FLUID-DYNAMICS ANALYSIS OF A TRANSMISSION SYSTEM FOR MEDIUM SIZED POWER TRACTORS NUMERICAL MODEL OF THE TRANSMISSION SYSTEM PS3 55/30 PS1 46/39 PS2 37/26 Lubrication layout Reverse 46/39 LMS Imagine.Lab AMESim rev9.1 CLUTCHES CONTROL VALVE PTO BRAKE CONTROL VALVE A A P P T LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia T DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP MODELING AND TESTING DUAL CLUTCH TRANSMISSIONS FOR HIGH PERFORMANCE VEHICLES Dual Clutch Solenoid Valve Clutch Plates Spring Actuator Even Gears Shaft Odd Gears Shaft Drain P Drain P A Fsolenoid T Fspring A Fpressure Experimental Testing Clutch K1 Odd Gears T Clutch K2 Even Gears Clutch Control Plate (CCP) Syncro Actuation Plate (SAP) LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP VOLUMETRIC ORBIT PUMP CAE ANALYSIS AND PERFORMANCE IMPROVEMENT 11 CHAMBERS 10 CHAMBERS INFLUENCE OF THE CHAMBER FLOW AREAS LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP MODELING THE AXIAL BALANCING MECHANISM OF ORBIT ANNULAR HYDRAULIC MACHINES EQUIVALENT MASS EQUIVA LENT SPRING EQUIVAL NUMERICAL VS. EXPERIMENTAL COMPARISON ENT INERTIA β=0deg β=-10deg β=-20deg β=-40deg β=-50deg DRA IN CLEARANCES OPERATING MAP Θ=0deg β=-30deg LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP SPLASH LUBRICATION: VOF approach + CHIMERA mesh Gear box lubrication and cooling: LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP A LUMPED PARAMETER APPROACH FOR THE SIMULATION OF ICE COOLING SYSTEMS Cooling circuit test rig assembly ICE Pressurized liquid cooling circuits Cooling circuit numerical model Flow rates distribution VM Motori S.p.A. – Cento, Ferrara (Italy) LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia Piezo-resistive pressure gauges Magnetic flow meters Flow rate values are expressed in l/min DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP STUDY OF ELECTRO-PNEUMATIC COMPONENTS FOR CNG INJECTION SYSTEMS Filling Nozzle Tank Valve Up to 250 [bar] Pressure Distribution Velocity Field CFD results – Velocity Field CNG 1.0 [ g / s] m 2 ÷ 7 [bar] CFD results – Discharge Coefficient Injection System Pressure Control Device LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia Thermographic Analysis DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP MULTI-COMPONENT FLOW: VOF approach Multi-fuel injection systems: Low pressure fuel accumulator Fuel switch over from E21 to E100 courtesy of Tetra-Fuel® injection system LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP FLOW FORCES EFFECTS: Moving grid (GGI approach) Hydraulic valve spool motion: Cd OUTLET Qin A 2p INLET Moving Mesh 0.01 mm LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP OPTIMIZATION OF PACKAGING MACHINES FOR LIQUID FOOD Air Sterile System Filling System Lumped parameters analysis Super heater detailed model O U T L E T HOT_INL ET COLD_INLET A-Valve Flow meter AMESim v.9 SL1 by Regulating Valve Change Over Valve Float with pressure flange Packaging material tube Δp = 0.1 bar T = 293 K Arif = 132.86 mm2 CFD analysis 80 deg 90 deg 100 deg 110 deg 120 deg 130 deg 140 deg 150 deg 160 deg Experimental Analysis Jaw System Actuation Unit: Jaw System Left hooks Test rig cooling system Left arm Supply and Control Units Paper cutters Right arm Right hooks LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia Cooling valve control system DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP NON-NEWTONIAN FLUIDS: Herschel Bulkley approach Ceramic spray pump: LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP SPRAY FORMATION: Eulerian approach STEAM GENERATOR Liquid aluminum injection: ALUMINUM = ENERGY CARRIER H2 H2O (g) H2(g) + H2O (g) H2 SEPARATION SYSTEM HEAT 2Al + 3H2O → Al2O3 + 3H2 LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia DEPT. OF ENGINEERING SCIENCES & METHODS – UNIV. OF MODENA & REGGIO EMILIA HYDRAULIC SYSTEMS DESIGN RESEARCH GROUP SOLID PHASE TRANSPORT: DEM approach Coffee Roasting: Preheating drum Plenum at the roasting drum outlet ṁin,coffee = 250Nm3/h ṁin,coffee = 350Nm3/h ṁin,coffee = 500Nm3/h LE IMPRESE INCONTRANO LA RICERCA - IL DOTTORATO DI RICERCA PER SOSTENERE L’INNOVAZIONE DELLE IMPRESE 16/10/2012 – Industriali Reggio Emilia