boles bulletin sept 16 2013
TRANSCRIPT
International Scientific and Technical Conference September 21-25
SYPT‘15 – System.Pumps.Turbines Voronezh, Russia
Pump Inducer Design with CFturbo®
Аlexander Nikulin
Axis Engineering,
St.-Petersburg (Russia)
Gero Kreuzfeld
CFturbo Software & Engineering GmbH
Dresden (Germany)
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 2
SYPT 2015Pump Inducer Design with CFturbo®
Content
CFturbo® company 3CFturbo® software 5Development process for Turbomachinery components 10Example: Rocket engine pump with inducer 12
Online CFturbo® Demo
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 3
SYPT 2015Pump Inducer Design with CFturbo®
CFturbo® company – Overview
• CFturbo® Software & Engineering GmbHGerman company was established in September 2008
• Headquarter in Dresden, Munich office
• Distributors for key markets in Europe, China, India, Korea, UK, USA and Russia >> Axis Engineering, St. Petersburg
• 20 employees
• Full engineering supplier for Conceptual Turbomachinery Design Software, related CAE-consulting, CAD-services and prototyping
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 4
SYPT 2015Pump Inducer Design with CFturbo®
CFturbo® company – Business Areas
CFturbo® Software & Engineering GmbH
Engineering CAD & Prototyping
• Turbomachinery Design
• CFD/FEA Simulation
• Optimization
• 3D-CAD
• Prototyping
• Testing
CFturbo® Software
• Conceptual Design Software
• Automated Workflows
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 5
SYPT 2015Pump Inducer Design with CFturbo®
• CFturbo® is a modern, powerful and very user-friendly software toolfor Conceptual Turbomachinery Design
• Impeller typesRadial & mixed-flow, Axial
• Blade shapes3D, 2D, Circular, Ruled surface,Radial elements, Helical, …
• On the market since 2005
• More than 120 active clientsaround the globe
CFturbo® Software
ImpellerStatorsVolutes
for
PumpsVentilatorsCompressorsTurbines
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 6
SYPT 2015Pump Inducer Design with CFturbo®
CFturbo® Software – Examples Pumps
Axial Mixed-flow Radial (with inducer)
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 7
SYPT 2015Pump Inducer Design with CFturbo®
CFturbo® Software – Example Radial Pump Stage with Return Channel
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 8
SYPT 2015Pump Inducer Design with CFturbo®
CFturbo® Software – Examples Compressors & Turbines
Compressor withruled surface blades
Turbine (VTG) withradial element blades
Axial turbine(rotor & stator)
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 9
SYPT 2015Pump Inducer Design with CFturbo®
CFturbo® Software – How it works
CFturbo®
New / improved3D geometry
Fundamental fluid equationsBernoulli, Euler equation,
Mass, Momentum , Energy conservation,
Velocity triangles, …
Empirical functionsPublicly available knowledge,
In-house know-how;Can be customized…
Existing, externalgeometry
Reference geometryfrom CFturbo
Machine design pointm, H/Δp, RPM,
Fluid properties,Inlet conditions
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 10
SYPT 2015Pump Inducer Design with CFturbo®
Development process for Turbomachinery components
Design Simulation & Validation Product
ConceptualDesign
CFturbo®
MeshingANSA, AutoGrid, ANSYS,Pointwise, TurboGrid, …
3D-CADCATIA, Creo, Inventor, NX,SolidWorks, SpaceClaim, …
ProductOptimizationinteractiv or automatic
ExperimentsRapid Prototyping,Testing, Validation
CFD/FEA SimulationSTAR-CCM+, ANSYS-CFX,FINE/Turbo, PumpLinx, …
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 11
SYPT 2015Pump Inducer Design with CFturbo®
Interfaces to important CFD-codes for Turbomachinery simulation
Create seamless interfaces to allow automated workflows and optimization
ANSYS ANSYS-CFX
Numeca FINE/Turbo
STAR-CCM+
Simerics MP/ PumpLinx
FloEFD
ANSYS Meshing
AutoGrid, HexPress
CD-adapco
Simerics
Mentor Graphics
[Open Source]
CFturbo®
… ……
Conceptual Design Meshing Simulation
OpenFOAMSnappy HexMesh
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 12
SYPT 2015Pump Inducer Design with CFturbo®
Example: Interface CFturbo® – PumpLinx
PumpLinx• Automated binary-tree mesh• Cartesian mesh based on
closed surface models (STL)• Very fast CFD-Solver• Direct simulation start
from CFturbo
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 13
SYPT 2015Pump Inducer Design with CFturbo®
Example: Rocket engine pump with inducer (PumpLinx)
662m3/h
662m3/h
800m3/h
Velocity Static Pressurem/sPa
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 14
SYPT 2015Pump Inducer Design with CFturbo®
400m3/h
700 m3/h
600m3/h
800m3/h
Example: Vapor fraction area simulation (PumpLinx)
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 15
SYPT 2015Pump Inducer Design with CFturbo®
0
20
40
60
80
100
120
140
160
300 400 500 600 700 800 900
To
tal
pre
ssu
re d
iffe
ren
ce [
bar]
Flow rate [m3/h]
TRWC_500k_3bar TRWC_1Mio_1.77bar
TRWC_1Mio_3bar STNC_1Mio_1.77bar
STNC_1Mio_3bar STNC_500k_3bar_LOX
STNC_2Mio_1.77bar STNC_2Mio_3bar
Example: Performance curves with cavitation modeling (PumpLinx)
Tota
l pre
ssu
re d
iffe
ren
ces
wer
e co
mp
ute
d b
etw
een
ind
uce
r in
let
and
vo
lute
ou
tlet
WITHOUTCAVITATION
WITH CAVITATION
www.cfturbo.com© CFturbo® Software & Engineering GmbH page 16
SYPT 2015Pump Inducer Design with CFturbo®
Online CFturbo® Demo – Conceptual Design of an Inducer Pump
Design Point Defintion
Dp = 185 barQ = 200 m³/hn = 30 000 rpmFluid : Water