Some SAMCEF Thermal uses for liquid propulsion rocket engines
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Patrick Danous 19/10/2004 Some SAMCEF Thermal Some SAMCEF Thermal uses for liquid propulsion uses for liquid propulsion rocket engines rocket engines SNECMA SNECMA Patrick DANOUS Patrick DANOUS
Transcript of Some SAMCEF Thermal uses for liquid propulsion rocket engines
Patrick Danous
19/10/2004
Some SAMCEF Thermal Some SAMCEF Thermal uses for liquid propulsion uses for liquid propulsion
rocket engines rocket engines
SNECMA SNECMA Patrick DANOUSPatrick DANOUS
Patrick Danous
19/10/2004
Summary
Introduction
CAD & Calculation tools at Snecma MoteursVernon
Performed SAMCEF Thermal developments
Some examples of SAMCEF Thermal uses
Perspectives
Patrick Danous
19/10/2004
Introduction
Snecma Moteurs DMF Vernon & Kourou 1250 peopleRocket engines development
and production
From Ariane 1 to 5
Mastering fluids from 20K to 3000 K
25 years in Dec 2004 !!!
Patrick Danous
19/10/2004
CAD & Calculation tools
CAD and pre - processing
Thermal and mechanical
CFD
Patrick Danous
19/10/2004
Performed SAMCEF Thermal developments
Thermo-hydraulic coupling (with an internal tool)
3D Multi-shell & tube elements
Mutual radiation for those elements
Assembly capabilities
Patrick Danous
19/10/2004
Some examples
LOX Injector behaviourValve & Injector assembly
Transient
3D Thermal conduction
Imposed internal convection
Patrick Danous
19/10/2004
Some examples
Nozzle thermal calculation Mutual radiation
Multi-layer shell element
Perfect contact
Transient
Patrick Danous
19/10/2004
Some examples
Turbine bladesLow cycle fatigue objective
Thermal choc
2D axi
Patrick Danous
19/10/2004
Some examples
Oxygen Turbo-pump Carbon ring unusual wear
3D Volume
Radiative & convective loads
Transient
Patrick Danous
19/10/2004
Some examples
Engine behaviour3D Radiation
Transient (multi boost)
Sub-system integration
Thermal specification for
components
Patrick Danous
19/10/2004
Some examples
Turbo-pump childown(1/2)
Bear temperature
2D axisymetrical
Hydraulic coupling
Network
3_12_1
5_110_1
11_1
23_122_125_1
24_11_1
1_2
1_3
1_5
4_1Alimentationpalier arrière
6/9_1
12_1346_1
Patrick Danous
19/10/2004
Some examples
Turbo-pump cooldown(2/2)
Model validation (wall temperature)
TPCAPO1MEF TPO Vinci
50
100
150
200
250
300
0 200 400 600 800 1000 1200 1400 1600 1800 2000
Temps [s]
Tem
péra
ture
[K
]
Essai TPO1_01Nœud 30020 (SAMCEF-carter entrée pompe)
Patrick Danous
19/10/2004
Some examples
Turbo-pump cooldownBear temperature
3D with network
Transient
Patrick Danous
19/10/2004
Perspectives
Integration with CATIA V5 in terms of pre-post processing
Two-phases flows, transient, network modelling (COMETE project)
CFD and thermal (+ mechanical) coupling
Patrick Danous
19/10/2004
Thank you !
