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ESA UNCLASSIFIES – For official use
EUCASS 2013
Space Transportation Challenges
Antonio Fabrizi – Director of Launchers – ESA
M Flaminia Rossi – Head of Policy, Plans and Quality Management Dept. - LAU - ESA
Munich, 1 July 2013
Contents
 The family of launchers operated from CSG and the European Spaceport
 Launch service market demand and offer evolution
 Evolving demand due to electric propulsion
 Challenges from electric propulsion and implications on launch vehicle
adaptation
 2012 Council at Ministerial level - Launchers development programmes
 Adapted Ariane 5 ME and Ariane 6 activities
 Ariane 6 and Vega C possible synergies
 Conclusions
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 2
The family of launchers operated from CSG
Ariane 5 ECA and ES
servicing the GTO, LEO and escape orbits and
setting a standard for the delivery of heavy
payloads
Vega
Ensuring access for small payloads to LEO and
SSO orbits (Operational from 2012)
Soyuz at the CSG
providing access for mid-range payloads
(operational from 2011)
SOYUZ
from CSG
ARIANE 5 ES
Long fairing
ARIANE 5 ECA
Medium fairing
VEGA
The family of launchers operated from CSG is
providing European access to space for most
of the institutional and commercial European
missions in the short/medium term.
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 3
The European Spaceport
ZLA
ZLV
ZLS
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 4
Launch service market demand and offer evolution
Launch Service offer
GTO
‒ Heavy payload market dominated by Ariane 5 since end 2012 with high price levels for heavy payloads
despite aggressive pricing strategy by Proton in early 2013, but
‒ competition becoming more fierce for payloads < 3.5t with aggressive pricing strategy by Falcon 9 in the
commercial market backed by notably higher prices for captive missions, and
‒ dual and tandem launch options offered by Ariane, Proton, Falcon (incl. in-orbit-delivery solutions).
LEO
‒ New offer since 2012: Vega, Long March 2 but a number of new LVs should become available in the
coming decade including Epsilon, Athena, Soyuz 2.1v, small Angara and additional Long March versions
Launch Service demand
GTO
Constant accessible annual demand: ~ 19 payloads per year (not exceeding 17-20 payloads p.a. on
average beyond 2020)
‒ Average payload mass (and power) to continue increasing to 5.2 t by 2020 and increased competition
for payloads <3.5 t
Non-GTO
In 2014-2020: Increased accessible annual demand : ~ 8 payloads p.a. (around 10 payloads beyond
2020)
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 5
Evolving demand due to electric propulsion
GTO satellites today
– Arianespace has launched about 50% of the accessible GTO payloads over the last 10 years
– The majority of the commercial payloads launched are communication satellites using chemical on-board
propulsion systems and requiring injection into a standard GTO orbit
Electric propulsion status
– Electric propulsion systems developed since the 1960s in US, Russia, Europe, first commercial platform using
an ion engine for station keeping launched in the US in 1997
– Electric propulsion systems used today as a standard solution for station-keeping / attitude control on a
number of commercial and institutional satellite platforms
– Maturity now deemed sufficient to use electrical propulsion systems as main thrusters on commercial
satellite platforms including for orbit raising manoeuvres: first all-electric commercial platform contract
signatures in 2012 for launch in 2015
Rationale for using electric propulsion
– Main driver in using electric on-board propulsion systems for satellite operators: attempt to reduce cost
per transponder or Gbps in orbit
– Using electric propulsion on board would allow customers to either lower their payload mass
requirements or alternatively to increase the number of transponders on a single satellite
– Satellite operators are increasingly taking into account electric propulsion satellites in their fleet planning. It
is assumed that by 2020, up to 20% of satellites ordered may be using electric propulsion
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 6
Challenges from electric propulsion and
implications on launch vehicle adaptation
Up to now, standards for communication satellites (chemical propulsion)
have been an injection to GTO followed by a few hours of transfer to
orbit
Changes due to electric propulsion
Low thrust provided by electric propulsion systems could necessitate a
change in orbit-raising approaches due to
 requirement of satellite operators not to exceed a max time of 6
months to orbit
 minimisation of transfer time through the van Allen belt
 need to reduce number (and cost) of ground stations during orbit
transfer
Variable parameters include
 variations in injection orbit types
 in orbit raising strategies (possible combination of electric and chemical propulsion systems)
Evolutions of launch requirements
The changes raise a number of challenges for new launcher system developments, in particular in terms of
requirements’ flexibility
 Change in mass/volume ratio with increased volumes at identical mass requiring e.g. fairing evolutions
 New satellite mass category emerging today around 2.5 t, with possible mass increase in the future
 Orbit injection requirement changes
 Necessity to pair big/heavy chemical satellites with big/light electric satellites for dual launches
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 7
GTO injection for upper S/C
∆V to GEO 1500m/s
GTO+ injection for lower S/C
∆V to GEO 1300m/s
Challenges for future European launchers
Today, the operational European launchers are the most reliable on the worldwide
market by:
 Ariane 5 launcher is an uncontested success for Europe and the space community with
more than 50 successful flights in a row. The two first flights of Vega have been flawless
successes.
 A stable and regular Ariane 5 exploitation, based on more than 30 years of experience
 The largest commercial order book, an important industrial workload
 A strong backing of both European Member States and European Space Industry
 Increase launch service competitiveness and reduce launch service price
 Respond to changing customers’ needs, e.g. average satellite mass increasing but Electric
Propulsion satellites can be lighter than current ones
 Request for service to multiple orbits
 Comply with anti debris policy/debris avoidance policy
 Reach an economically balances exploitation without public-funded accompaniment
programmes addressing technical risks or contributing to fixed costs.
Given this positive status: Why not keep Ariane 5 as it is?
What is the motivation for change?
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 8
2012 Council at Ministerial level
Launchers development programmes
 Activities in the area of re-entry through in-flight
demonstration of critical re-entry technologies for
future space transportation with
‒ the Intermediate eXperimental Vehicle
(IXV) and its
‒ follow-on Programme for a Reusable In-
orbit Demonstrator for Europe (PRIDE)
CM12 decisions
Launchers development programmes have
been the main focus of the Council representing
25% of overall optional programme subscriptions
66% of actual subscriptions are for development
programmes:
 Adapted Ariane 5 ME and Ariane 6 activities
along a consolidated integrated logic:
‒ Continued adaptation and development of Ariane 5 ME
‒ Detailed definition study of Ariane 6 and implementation
of phase A/B1 of Ariane 6
‒ Common upper stage development activities, to be used
both for adapted Ariane 5 ME and Ariane 6
 Vega consolidation and evolution preparation
 Future Launcher Preparatory Programme Period
3 including activities continuation on
‒ Cryogenic Upper Stage
‒ FLPP Expander Demonstrator / Vinci engine
‒ Development of High pressure regeneratively cooled
nozzle Sandwich technology
Launchers programmes
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 9
aA5ME – A6
Upper Stage Commonalities
Propellant Tank
Propellant
Lines
Helium
Tanks
Vinci Engine
Fluid Control
Equipment
Engine Thrust
Frame
ESA UNCLASSIFIED – For Official Usec
Thrust Vector
Actuation System
Payload Fairing
Functional Li-ion
Batteries
EGSE
aA5ME – A6
Upper Stage Propellant Tank Commonalities
 On the basis of a dedicated trade off, the re-use of the same adapted Ariane 5 ME
propellant tank architecture has been discarded
 A family of tank concepts having diameter spanning between 4 and 4,4 m is being
investigated for the Ariane 6 configuration detailed study, keeping as constraint the
interface at Engine Thrust Frame level
 The selected concepts include both common bulkhead and separated LOx and LH2
tanks
 Ariane 6 tank’s architecture enables large re-use of adapted Ariane 5 ME tank
building blocks and a re-usability of the relevant manufacturing facilities
Adapted Ariane 5 ME
A5ME will answer to the challenges by
 Increased precision and performance >12t GTO
and 20% lower costs per ton into orbit.
 More versatile, with a re-ignitable upper-stage
based on the new Vinci engine, allowing the
injection of satellites in a higher orbit and
maximising the launcher’s performance, thus
reducing the payload’s propulsion needs to reach
the target GEO.
 Versatility will allow combinations and pairing of
different types of institutional missions, such as
Earth-escape, GTO-escape, GEO and Moon or
Mars missions, with improved precision and
performance.
 Capability for direct de-orbitation (GTO-DD)
and/or injection into graveyard orbits will keep
the space environment free of space debris.
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 12
Adapted Ariane 5 ME
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 13
Adapted Ariane 5 ME Stage characteristics
• Stage Height: 7900 mm
(without deployed Vinci Nozzle)
• Stage Diameter: 5400 mm
• 28 tons Loaded Propellant Mass
• Vinci-Engine: 130 - 180 KN
• Boost duration: 790 s
• Number of Re-Ignitions: 1 main plus 2 re-Boosts
• LOX Tank Pressurization:
Helium – stored within 300 litre and 400 bar vessels
• LH2 Tank Pressurization:
GH2 heated by the Vinci engine
• Dry Mass after separation: 5970 kg (GTO DDO)
DDO = Direct De-orbitation
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 14
Ariane 6 requirements
Ariane 6 shall be competitive with respect to other launch systems (such as Proton and Falcon 9 today).
The target date for the first flight of Ariane 6 is 2021. The system shall be fully operational by 2025 with an
operational lifetime of at least 25 years.
– Type of launch: Single launch
– Type of missions:
• GEO missions, either directly or through intermediate orbits, in particular GTO. This objective requires
re-ignition capabilities;
• LEO in particular Polar/SSO at different altitudes;
• MEO or MTO missions;
• LEO/orbital infrastructure servicing;
• Escape and Lagrange points missions.
– Design launch rate: 12 launches/year
– Performance:
• In GTO equivalent: 3 to 6.5 t, with 2 main segments (3-3.5 t and 6-6.5 t) and capacity for growth
potential up to 8 t;
• Polar/SSO : 4 t at 800 km altitude.
– Reliability: equivalent to or better than the design reliability of Ariane 5 ECA or the one of main
competitors (such as Proton or Sea Launch).
Ariane 6 upper stage will allow for direct de-orbitation (GTO-DD) and/or injection into graveyard orbits to keep
the space environment free of space debris
Ariane 6 overarching objective is to be economically self-sustainable in a
stabilised exploitation phase without public-funded exploitation support.
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 15
Ariane 6 PPH concept
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 16
Cryogenic Upper Stage
Vinci based
Solid rocket motors for
1st and 2nd stages
Possibility to add boosters
One of PPH
configurations studied
Ariane 6 configuration
Following a selection starting from 12 PPH configurations three are now retained and further
studied - with special focus on competitions to optimise exploitation costs - in preparation of
the decisions to be taken at Council in 2014.
MC-2PH+Bz MC-MP-2PH+CCB MC-MP-2PH+CL
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 17
1ststage:compositemonolithicP180(∅3,7m)
2ndstage:P110monolithic(∅3,7m)
3rdstage:H30Vinci
Boosters:B50monolithic(∅1,8m)
Launcherheight:50m
1ststage:3P130-P135monolithic(∅3,5m)
CommonCoreBoosterarchitecture
2ndstage:P130-P135(identicalto1ststage
SRM)
3rdstage:H32Vinci
Launcherheight:50m
1ststage:3compositemonolithicP130-P135
(∅3,5m)Clusterarchitecture
2ndstage:P130-P135(identicalto1ststage
SRM)
3rdstage:H32Vinci
Launcherheight:53m
A6 and Vega possible synergies
 Commonalities and synergies between A6 and Vega C
are identified and assessed in terms of:
− solid propulsion (motor system, materials,
technologies, processes, equipment/components);
− TVC, Avionics, Pyrotechnics, others.
 Motor system: antagonistic requirements on the
thrust slope between A6 and Vega must implies
compromises (on both sides !)
 A6 motors in the class P130 present the largest
commonalities/ synergies with the VECEP P-CXX:
Insulated Motor Case, Liner, Loaded Motor Case,
Nozzle and Igniter.
Z23 – Ø 1.9 m
1200 kN thrust
Z9: Ø 1.9m
150 kN thrust
VEGA C
P-CXX – Ø 3m
3100 kN thrust
AVUM+
2.45 kN thrust
+ 150 Kg
Fu/Ox
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 18
aA5ME and A6 preliminary integrated
development plan
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 19
Conclusions
 ESA is continuing to support the exploitation of its successful
family of launchers.
 The market and competition evolution requires to start now
the development of the new launchers necessary to keep the
current market share at acceptable economic conditions in the
future.
 At 2012 Council at Ministerial level ESA Ministers agreed to
start these development activities fixing a new milestone in
2014 to decide on their completion.
 ESA and industry are progressing according to plans to meet
the 2014 appointment.
ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 20
Thank you!
Would you like to know more?
www.esa.int

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ESA - 2013 space transportation

  • 1. ESA UNCLASSIFIES – For official use EUCASS 2013 Space Transportation Challenges Antonio Fabrizi – Director of Launchers – ESA M Flaminia Rossi – Head of Policy, Plans and Quality Management Dept. - LAU - ESA Munich, 1 July 2013
  • 2. Contents  The family of launchers operated from CSG and the European Spaceport  Launch service market demand and offer evolution  Evolving demand due to electric propulsion  Challenges from electric propulsion and implications on launch vehicle adaptation  2012 Council at Ministerial level - Launchers development programmes  Adapted Ariane 5 ME and Ariane 6 activities  Ariane 6 and Vega C possible synergies  Conclusions ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 2
  • 3. The family of launchers operated from CSG Ariane 5 ECA and ES servicing the GTO, LEO and escape orbits and setting a standard for the delivery of heavy payloads Vega Ensuring access for small payloads to LEO and SSO orbits (Operational from 2012) Soyuz at the CSG providing access for mid-range payloads (operational from 2011) SOYUZ from CSG ARIANE 5 ES Long fairing ARIANE 5 ECA Medium fairing VEGA The family of launchers operated from CSG is providing European access to space for most of the institutional and commercial European missions in the short/medium term. ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 3
  • 4. The European Spaceport ZLA ZLV ZLS ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 4
  • 5. Launch service market demand and offer evolution Launch Service offer GTO ‒ Heavy payload market dominated by Ariane 5 since end 2012 with high price levels for heavy payloads despite aggressive pricing strategy by Proton in early 2013, but ‒ competition becoming more fierce for payloads < 3.5t with aggressive pricing strategy by Falcon 9 in the commercial market backed by notably higher prices for captive missions, and ‒ dual and tandem launch options offered by Ariane, Proton, Falcon (incl. in-orbit-delivery solutions). LEO ‒ New offer since 2012: Vega, Long March 2 but a number of new LVs should become available in the coming decade including Epsilon, Athena, Soyuz 2.1v, small Angara and additional Long March versions Launch Service demand GTO Constant accessible annual demand: ~ 19 payloads per year (not exceeding 17-20 payloads p.a. on average beyond 2020) ‒ Average payload mass (and power) to continue increasing to 5.2 t by 2020 and increased competition for payloads <3.5 t Non-GTO In 2014-2020: Increased accessible annual demand : ~ 8 payloads p.a. (around 10 payloads beyond 2020) ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 5
  • 6. Evolving demand due to electric propulsion GTO satellites today – Arianespace has launched about 50% of the accessible GTO payloads over the last 10 years – The majority of the commercial payloads launched are communication satellites using chemical on-board propulsion systems and requiring injection into a standard GTO orbit Electric propulsion status – Electric propulsion systems developed since the 1960s in US, Russia, Europe, first commercial platform using an ion engine for station keeping launched in the US in 1997 – Electric propulsion systems used today as a standard solution for station-keeping / attitude control on a number of commercial and institutional satellite platforms – Maturity now deemed sufficient to use electrical propulsion systems as main thrusters on commercial satellite platforms including for orbit raising manoeuvres: first all-electric commercial platform contract signatures in 2012 for launch in 2015 Rationale for using electric propulsion – Main driver in using electric on-board propulsion systems for satellite operators: attempt to reduce cost per transponder or Gbps in orbit – Using electric propulsion on board would allow customers to either lower their payload mass requirements or alternatively to increase the number of transponders on a single satellite – Satellite operators are increasingly taking into account electric propulsion satellites in their fleet planning. It is assumed that by 2020, up to 20% of satellites ordered may be using electric propulsion ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 6
  • 7. Challenges from electric propulsion and implications on launch vehicle adaptation Up to now, standards for communication satellites (chemical propulsion) have been an injection to GTO followed by a few hours of transfer to orbit Changes due to electric propulsion Low thrust provided by electric propulsion systems could necessitate a change in orbit-raising approaches due to  requirement of satellite operators not to exceed a max time of 6 months to orbit  minimisation of transfer time through the van Allen belt  need to reduce number (and cost) of ground stations during orbit transfer Variable parameters include  variations in injection orbit types  in orbit raising strategies (possible combination of electric and chemical propulsion systems) Evolutions of launch requirements The changes raise a number of challenges for new launcher system developments, in particular in terms of requirements’ flexibility  Change in mass/volume ratio with increased volumes at identical mass requiring e.g. fairing evolutions  New satellite mass category emerging today around 2.5 t, with possible mass increase in the future  Orbit injection requirement changes  Necessity to pair big/heavy chemical satellites with big/light electric satellites for dual launches ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 7 GTO injection for upper S/C ∆V to GEO 1500m/s GTO+ injection for lower S/C ∆V to GEO 1300m/s
  • 8. Challenges for future European launchers Today, the operational European launchers are the most reliable on the worldwide market by:  Ariane 5 launcher is an uncontested success for Europe and the space community with more than 50 successful flights in a row. The two first flights of Vega have been flawless successes.  A stable and regular Ariane 5 exploitation, based on more than 30 years of experience  The largest commercial order book, an important industrial workload  A strong backing of both European Member States and European Space Industry  Increase launch service competitiveness and reduce launch service price  Respond to changing customers’ needs, e.g. average satellite mass increasing but Electric Propulsion satellites can be lighter than current ones  Request for service to multiple orbits  Comply with anti debris policy/debris avoidance policy  Reach an economically balances exploitation without public-funded accompaniment programmes addressing technical risks or contributing to fixed costs. Given this positive status: Why not keep Ariane 5 as it is? What is the motivation for change? ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 8
  • 9. 2012 Council at Ministerial level Launchers development programmes  Activities in the area of re-entry through in-flight demonstration of critical re-entry technologies for future space transportation with ‒ the Intermediate eXperimental Vehicle (IXV) and its ‒ follow-on Programme for a Reusable In- orbit Demonstrator for Europe (PRIDE) CM12 decisions Launchers development programmes have been the main focus of the Council representing 25% of overall optional programme subscriptions 66% of actual subscriptions are for development programmes:  Adapted Ariane 5 ME and Ariane 6 activities along a consolidated integrated logic: ‒ Continued adaptation and development of Ariane 5 ME ‒ Detailed definition study of Ariane 6 and implementation of phase A/B1 of Ariane 6 ‒ Common upper stage development activities, to be used both for adapted Ariane 5 ME and Ariane 6  Vega consolidation and evolution preparation  Future Launcher Preparatory Programme Period 3 including activities continuation on ‒ Cryogenic Upper Stage ‒ FLPP Expander Demonstrator / Vinci engine ‒ Development of High pressure regeneratively cooled nozzle Sandwich technology Launchers programmes ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 9
  • 10. aA5ME – A6 Upper Stage Commonalities Propellant Tank Propellant Lines Helium Tanks Vinci Engine Fluid Control Equipment Engine Thrust Frame ESA UNCLASSIFIED – For Official Usec Thrust Vector Actuation System Payload Fairing Functional Li-ion Batteries EGSE
  • 11. aA5ME – A6 Upper Stage Propellant Tank Commonalities  On the basis of a dedicated trade off, the re-use of the same adapted Ariane 5 ME propellant tank architecture has been discarded  A family of tank concepts having diameter spanning between 4 and 4,4 m is being investigated for the Ariane 6 configuration detailed study, keeping as constraint the interface at Engine Thrust Frame level  The selected concepts include both common bulkhead and separated LOx and LH2 tanks  Ariane 6 tank’s architecture enables large re-use of adapted Ariane 5 ME tank building blocks and a re-usability of the relevant manufacturing facilities
  • 12. Adapted Ariane 5 ME A5ME will answer to the challenges by  Increased precision and performance >12t GTO and 20% lower costs per ton into orbit.  More versatile, with a re-ignitable upper-stage based on the new Vinci engine, allowing the injection of satellites in a higher orbit and maximising the launcher’s performance, thus reducing the payload’s propulsion needs to reach the target GEO.  Versatility will allow combinations and pairing of different types of institutional missions, such as Earth-escape, GTO-escape, GEO and Moon or Mars missions, with improved precision and performance.  Capability for direct de-orbitation (GTO-DD) and/or injection into graveyard orbits will keep the space environment free of space debris. ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 12
  • 13. Adapted Ariane 5 ME ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 13
  • 14. Adapted Ariane 5 ME Stage characteristics • Stage Height: 7900 mm (without deployed Vinci Nozzle) • Stage Diameter: 5400 mm • 28 tons Loaded Propellant Mass • Vinci-Engine: 130 - 180 KN • Boost duration: 790 s • Number of Re-Ignitions: 1 main plus 2 re-Boosts • LOX Tank Pressurization: Helium – stored within 300 litre and 400 bar vessels • LH2 Tank Pressurization: GH2 heated by the Vinci engine • Dry Mass after separation: 5970 kg (GTO DDO) DDO = Direct De-orbitation ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 14
  • 15. Ariane 6 requirements Ariane 6 shall be competitive with respect to other launch systems (such as Proton and Falcon 9 today). The target date for the first flight of Ariane 6 is 2021. The system shall be fully operational by 2025 with an operational lifetime of at least 25 years. – Type of launch: Single launch – Type of missions: • GEO missions, either directly or through intermediate orbits, in particular GTO. This objective requires re-ignition capabilities; • LEO in particular Polar/SSO at different altitudes; • MEO or MTO missions; • LEO/orbital infrastructure servicing; • Escape and Lagrange points missions. – Design launch rate: 12 launches/year – Performance: • In GTO equivalent: 3 to 6.5 t, with 2 main segments (3-3.5 t and 6-6.5 t) and capacity for growth potential up to 8 t; • Polar/SSO : 4 t at 800 km altitude. – Reliability: equivalent to or better than the design reliability of Ariane 5 ECA or the one of main competitors (such as Proton or Sea Launch). Ariane 6 upper stage will allow for direct de-orbitation (GTO-DD) and/or injection into graveyard orbits to keep the space environment free of space debris Ariane 6 overarching objective is to be economically self-sustainable in a stabilised exploitation phase without public-funded exploitation support. ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 15
  • 16. Ariane 6 PPH concept ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 16 Cryogenic Upper Stage Vinci based Solid rocket motors for 1st and 2nd stages Possibility to add boosters One of PPH configurations studied
  • 17. Ariane 6 configuration Following a selection starting from 12 PPH configurations three are now retained and further studied - with special focus on competitions to optimise exploitation costs - in preparation of the decisions to be taken at Council in 2014. MC-2PH+Bz MC-MP-2PH+CCB MC-MP-2PH+CL ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 17 1ststage:compositemonolithicP180(∅3,7m) 2ndstage:P110monolithic(∅3,7m) 3rdstage:H30Vinci Boosters:B50monolithic(∅1,8m) Launcherheight:50m 1ststage:3P130-P135monolithic(∅3,5m) CommonCoreBoosterarchitecture 2ndstage:P130-P135(identicalto1ststage SRM) 3rdstage:H32Vinci Launcherheight:50m 1ststage:3compositemonolithicP130-P135 (∅3,5m)Clusterarchitecture 2ndstage:P130-P135(identicalto1ststage SRM) 3rdstage:H32Vinci Launcherheight:53m
  • 18. A6 and Vega possible synergies  Commonalities and synergies between A6 and Vega C are identified and assessed in terms of: − solid propulsion (motor system, materials, technologies, processes, equipment/components); − TVC, Avionics, Pyrotechnics, others.  Motor system: antagonistic requirements on the thrust slope between A6 and Vega must implies compromises (on both sides !)  A6 motors in the class P130 present the largest commonalities/ synergies with the VECEP P-CXX: Insulated Motor Case, Liner, Loaded Motor Case, Nozzle and Igniter. Z23 – Ø 1.9 m 1200 kN thrust Z9: Ø 1.9m 150 kN thrust VEGA C P-CXX – Ø 3m 3100 kN thrust AVUM+ 2.45 kN thrust + 150 Kg Fu/Ox ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 18
  • 19. aA5ME and A6 preliminary integrated development plan ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 19
  • 20. Conclusions  ESA is continuing to support the exploitation of its successful family of launchers.  The market and competition evolution requires to start now the development of the new launchers necessary to keep the current market share at acceptable economic conditions in the future.  At 2012 Council at Ministerial level ESA Ministers agreed to start these development activities fixing a new milestone in 2014 to decide on their completion.  ESA and industry are progressing according to plans to meet the 2014 appointment. ESA UNCLASSIFIED - For official use | EUCASS Space Transportation Challenges | July 13 | Page. 20
  • 21. Thank you! Would you like to know more? www.esa.int