ANNEX 3 ANNEX 3 Time Dependent Prediction of the One- Time Dependent Prediction of the One- Phase Phase Flow-Field Within an LPP Aero-Engine Flow-Field Within an LPP Aero-Engine System System MUSCLES Mid-Term Meeting, September 21st-22th, 2004 Karlsruhe Pittaluga F.; Traverso S. – UNIGE/DIMSET Pittaluga F.; Traverso S. – UNIGE/DIMSET
ANNEX 3 Time Dependent Prediction of the One-Phase Flow-Field Within an LPP Aero-Engine System
Jan 19, 2016
ANNEX 3 Time Dependent Prediction of the One-Phase Flow-Field Within an LPP Aero-Engine System. MUSCLES Mid-Term Meeting, September 21st-22th, 2004 Karlsruhe. Pittaluga F.; Traverso S. – UNIGE/DIMSET. LPP System Computational Conditions. Experimental Test Rig - PowerPoint PPT Presentation
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ANNEX 3ANNEX 3
Time Dependent Prediction of the One-PhaseTime Dependent Prediction of the One-Phase Flow-Field Within an LPP Aero-Engine SystemFlow-Field Within an LPP Aero-Engine System
MUSCLES Mid-Term Meeting, September 21st-22th, 2004 Karlsruhe
Pittaluga F.; Traverso S. – UNIGE/DIMSETPittaluga F.; Traverso S. – UNIGE/DIMSET
LPP System Computational ConditionsLPP System Computational Conditions
Computational GridComputational Grid
Grid type: Structured-MultiblockN° of total Blocks: from 203 to 451Geometry: Fully 3D°N° of total cells: from 994000 to 2450000
Boundary Conditions Boundary Conditions
Mass Flow : 0.4 kg/sStatic Temperature Inlet : 298 KStatic Pressure Outlet : 101680 Pa
Experimental Test RigExperimental Test Rig
Zmax = 750 mm - Xmax = 250 mm - Ymax = 250 mm
Time Dependent Prediction of One Phase Flow Field Within an LPP Aero-Engine SystemTime Dependent Prediction of One Phase Flow Field Within an LPP Aero-Engine System
MUSCLES Mid-Term Meeting, September 21st-22nd, 2004 - Karlsruhe
Pittaluga F.; Traverso S. – UNIGE/DIMSET
Computational Results and ValidationComputational Results and Validation
Z= +30 mmZ= +30 mm
Meridian PlaneMeridian PlaneMesh Size : 994 000Mesh Size : 994 000
Time Dependent Numerical ResultsTime Dependent Numerical Results
Traversing Z= +30 mmTraversing Z= +30 mmMesh Size : 2 450 000Mesh Size : 2 450 000
CaCa CrCr CtCt
Meridian Meridian PlanePlane
Time Dependent Prediction of One Phase Flow Field Within an LPP Aero-Engine SystemTime Dependent Prediction of One Phase Flow Field Within an LPP Aero-Engine System
MUSCLES Mid-Term Meeting, September 21st-22nd, 2004 - Karlsruhe
Pittaluga F.; Traverso S. – UNIGE/DIMSET
Meridian & Cross Meridian & Cross Section PlanesSection Planes
Mesh Size : 2 450 000Mesh Size : 2 450 000
Time Dependent Prediction of One Phase Flow Field Within an LPP Aero-Engine SystemTime Dependent Prediction of One Phase Flow Field Within an LPP Aero-Engine System
MUSCLES Mid-Term Meeting, September 21st-22nd, 2004 - Karlsruhe
Pittaluga F.; Traverso S. – UNIGE/DIMSET
LPP System Computational ResultsLPP System Computational Results- Meridian Plane: Grid Size 994 000 -- Meridian Plane: Grid Size 994 000 -
Time Dependent Prediction of One Phase Flow Field Within an LPP Aero-Engine SystemTime Dependent Prediction of One Phase Flow Field Within an LPP Aero-Engine System
MUSCLES Mid-Term Meeting, September 21st-22nd, 2004 - Karlsruhe
Pittaluga F.; Traverso S. – UNIGE/DIMSET
LPP System Computational ResultsLPP System Computational Results- Meridian Plane: Grid Size 2 450 000 -- Meridian Plane: Grid Size 2 450 000 -
Time Dependent Prediction of One Phase Flow Field Within an LPP Aero-Engine SystemTime Dependent Prediction of One Phase Flow Field Within an LPP Aero-Engine System
MUSCLES Mid-Term Meeting, Sectember 21-22nd, 2004 - Karlsruhe
Pittaluga F.; Traverso S. - UNIGE - DIMSET
LPP System Computational ResultsLPP System Computational Results- Cross Sectional Plane: Grid Size 2 450 000 -- Cross Sectional Plane: Grid Size 2 450 000 -
Time Dependent Prediction of One Phase Flow Field Within an LPP Aero-Engine SystemTime Dependent Prediction of One Phase Flow Field Within an LPP Aero-Engine System
MUSCLES Mid-Term Meeting, Sectember 21-22nd, 2004 - Karlsruhe
Pittaluga F.; Traverso S. - UNIGE - DIMSET
COMPUTATIONAL GRID : LPP System & COMPUTATIONAL GRID : LPP System & Experimental Test RigExperimental Test Rig- Cross Section Plane: Grid Size 2 450 000 - Z= +30mm -- Cross Section Plane: Grid Size 2 450 000 - Z= +30mm -
Premixer duct C05D (Z= 30 mm)
-20
-10
0
10
20
30
40
50
60
70
-150 -100 -50 0 50 100 150
R (mm)
Ca
(m/s
)
Experiment
NastComb t=t0
Premixer duct C05D (Z= 30 mm)
-20
-10
0
10
20
30
40
50
60
70
-150 -100 -50 0 50 100 150
R (mm)
Ca
(m/s
)
Experiment
NastComb t=t2
Premixer duct C05D (Z= 30 mm)
-30-20-10
010203040506070
-150 -100 -50 0 50 100 150
R (mm)
Ca
(m/s
)
Experiment
NastComb t=t7
Premixer duct C05D (Z= 30 mm)
-505
10152025303540
-150 -100 -50 0 50 100 150
R (mm)
Ct
(m/s
)
Experiment
NastComb t=t0
Premixer duct C05D (Z= 30 mm)
-505
10152025303540
-150 -100 -50 0 50 100 150
R (mm)
Ct
(m/s
)
Experiment
NastComb t=t2
Premixer duct C05D (Z= 30 mm)
-505
10152025303540
-150 -100 -50 0 50 100 150
R (mm)
Ct
(m/s
)
Experiment
NastComb t=t6
Premixer duct C05D (Z= 30 mm)
-10
-5
0
5
10
15
20
-150 -100 -50 0 50 100 150
R (mm)
Cr
(m/s
)
Experiment
NastComb t=t0
Premixer duct C05D (Z= 30 mm)
-10
-5
0
5
10
15
20
-150 -100 -50 0 50 100 150
R (mm)
Cr
(m/s
)
Experiment
NastComb t=t2
Premixer duct C05D (Z= 30 mm)
-10
-5
0
5
10
15
20
-150 -100 -50 0 50 100 150
R (mm)
Cr
(m/s
)
Experiment
NastComb t=t7
Computational Computational PowerPower
LINUX CLUSTER “APOLLO”LINUX CLUSTER “APOLLO”
Cpu’s : 12 Athlon™ MP 2.0 GHz
Ram : Master 2 Gb DDR 266 Slaves 1 Gb DDR 266
Storage Capacity : 480 Gb
Network : 3COM ™ Gigabit
Time Dependent Prediction of One Phase Flow Field Within an LPP Aero-Engine SystemTime Dependent Prediction of One Phase Flow Field Within an LPP Aero-Engine System
MUSCLES Mid-Term Meeting, Sectember 21-22nd, 2004 - Karlsruhe
Pittaluga F.; Traverso S. - UNIGE - DIMSET
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