cd-adapco in der erdoel & -gasindustriemdx2.plm.automation.siemens.com/sites/default/...pipeflo...
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CD-adapco in der Erdoel & -gasindustrieDr. Dennis Nagy
VP, GeschaeftsentwicklungVP, GeschaeftsentwicklungSTAR Deutschland Konferenz
Berlin, 9. November 2009
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Agenda
Beispiele von 3-D Stroemungs- und Thermalberechnungen in der Erdoel und -
gasindustrie
Auf Englisch: Brief Introduction to OLGA and the SPT Group (Iris Andersen)
Die Vorteile von “Multi-Fidelity” Berechnungen:“The STAR OLGA Link”The STAR-OLGA Link
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Examples of 3-D Flow and Thermal Simulation
• Offshore/Marine applications: Wave slamming, sloshing, VIV, offshore oil rig lifeboat launching
• Downhole drilling simulation• Gas-liquid flow in long pipelines• Stratified gas-liquid flow• Slug flow• Particle flow• Circumferential cooling in transport of viscous oil• Bubbly flow around pipe bendsy p p
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Offshore Oil Rig: Lifeboat Launching
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Drill-Bit Simulations
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3-D Multiphase Flow in Long Subsea Pipe Segment
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Riser section of long pipeline
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TMF - Slug Flow Benchmark: Slug Origination and Growthg g
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Multiphase Flow in Pipe Bends
Large bubbles
Medium bubbles
Small bubbles
Liquid
4-phase model p ase odefor more accuracy
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Discrete Element Modeling (DEM):Particle Transport in Pipesp p
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Effects of cooling in transportation of viscous oil
• When heavy/viscous oil is cooled along the pipe, we expect density and viscosity to increase as temperature dropsdensity and viscosity to increase as temperature drops.
• 3D simulation is used to capture the cross-sectional effects.
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Effects of cooling in transportation of viscous oil
• Temperature, density and viscosity after 200m
Viscosity
Temperature
Viscosity
Density
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Pressure drop along pipe
I thIsothermal
With cooling
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Some Further Examples of 3D Flow/Thermal Simulation…
Pig InsertionSlug Catcher
Pig Insertion
Top-side Separatorp p
Pi J ti fl i di ti2 mChristmas
Your CAE Partner for Success 14
Pipe Junction: flow regime disruptionmChristmas Tree
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Eine Kundenauswahl: Erdoel u. -gasindustrie
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Multi-Fidelity Simulation Effort
Higher fidelity (= more detailed insight) requires increasing computational time (wall-clock)
ulat
ion
Improved 3-D CFD with 3 D CFD
ail o
f Sim
u
1-D Steady-St t
1-D Transient (e.g., OLGA)
CFD with STAR & HPC
3-D CFD
delit
y/de
ta
Piping Network
Dynamics (e.g., HYSIS)
State Multiphase Flow (e.g., PIPEFLO
Fid
0.1 1 10 100 1,000 10,000
(e.g., HYSIS)
Computational Time (wall-clock)
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The Importance of Using the Right Numerical Tools
• To be effective, simulations must be Fast enough to provide answers within the design timeframe– Fast enough to provide answers within the design timeframe
– Accurate enough to provide sufficiently insightful answers for better design decisions
• Choice and use of a judicious mix of tools for Multi-Fidelity Simulation to meet these effectiveness requirements, e.g.
1-D simulations (OLGA) for long pipeline systems– 1-D simulations (OLGA) for long pipeline systems– 3-D simulations (STAR) for equipment, transition regions– A user-friendly computing environment for activating the right mix
of tools for the situation being examined: co-simulation
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Brief Introduction to OLGA and the SPT Group Iris AndersenIris Andersen,
OLGA Product Manager, SPT Group, Kjellor, Norway