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 2p
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
Scarica

Presentazione HYSYDE - Unindustria Reggio Emilia