sounding rocket program texus/maxus -...

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Sounding Rocket Program TEXUS/MAXUS

8th European ATD Symposium, Lisbon

Andreas Schütte March 2, 2015

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What is TEXUS/MAXUS?

The TEXUS/MAXUS Sounding Rocket Program at Airbus Defence & Space was initiated in 1976 with the aim to provide to scientists and experimenters the opportunity to perform technological experiments and investigations under microgravity conditions.

TEXUS = „Technische EXperimente Unter Schwerelosigkeit“ Until today 52 TEXUS launches and 9 MAXUS launches have been successfully performed from the Esrange Space Center near Kiruna, Sweden.

We offer easy access to space!

March 2, 2015


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February 2015

Airbus DS Responsibility

Airbus DS is the Prime Contractor to the European Space Agency ESA and the German Space Agency DLR for all TEXUS and MAXUS missions

Airbus DS has the overall system responsibility for all TEXUS and MAXUS missions during all phases: • development of experiment modules • support of scientists and experimenters • provision of flight systems • mission operations PMO and engineering tasks are executed in Bremen by the TEXUS/MAXUS team with support from the functional departments Manufacturing, integration and test activities are performed in Trauen, jointly by the engineering team, production team and the TEXUS/MAXUS team


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TEXUS

Total length: 13 m

Total mass: 2.650 kg

Payload mass: 400 kg

Experiment P/L: 280 kg

3,500 mm

Ø 438 mm

Motor: VSB-30 (Brazil),

2-stage, solid propellant

Trajectory: spin-stabilized ascent

Apogee: 250 – 270 km

µ-g time: ~ 6 – 6½ min

March 2, 2015


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Typical TEXUS Data

March 2, 2015


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MAXUS

Total length: 17 m

Total mass: 12.300 kg

Payload mass: 800 kg

Experiment P/L: 480 kg

3,500 mm

Ø 640 mm

Motor: CASTOR IVB© (U.S.),

single stage,

solid propellant

Trajectory: guided ascent

Apogee: 700 – 750 km

µ-g time: ~ 12 – 13 min

March 2, 2015


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July 2014


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Launch and Recovery

March 2, 2015


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Experiment execution:

TEXUS: 6+ minutes

MAXUS: 12+ minutes

Recovery:

~1½ h after lift-off

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Experiment Modules for Microgravity Research

Material science: Ellipsoid furnace for silicon crystal growth

March 2, 2015


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Cell biology: live cells in microgravity Fluid dynamics: capillary forces

March 2, 2015


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Neurology: spreading of retinal waves Biology: gravitaxis of Euglena gracilis

March 2, 2015


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Biology: laser-scanning microscope for 3D live cell imaging Technology: LH2 and LOX PMD

March 2, 2015


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PMD Experiments on TEXUS 48 (CRYSTAL)

March 2, 2015


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Objectives: • to demonstrate the operation of the Propellant Management

Devices (PMDs) for LOX and LH2 in microgravity • to validate numerical and physical models

involved in the PMD development

Design concept for LOX and LH2 PMD experiments

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PMD Experiments on TEXUS 48 (CRYSTAL)

PMD experiments • without dewar • without electronics box

left: LOX

right: LH2

March 2, 2015


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LOX and LH2 PMDs

Delicate design for: • small, scaled-down components • flange design for optical observation windows

March 2, 2015


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TEXUS 48 Flight on November 27, 2011

March 2, 2015


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Re-entry Experiments: MAXUS 8 SHARK Capsule

• Sounding Hypersonic Atmospheric Re-entering Kapsule

• Developed by CIRA

• Launched on MAXUS 8 on March 26, 2010 at 14:43 LT

• Ultra High Temperature Ceramic Tip

March 2, 2015


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Re-entry Experiments: MAXUS 8 SHARK Capsule

SHARK capsule found on July 1, 2010 Excellent results extracted from the on-board recorder! “CIRA activities on UHTC’s: on-ground and in flight experimentations“, R. Gardi et al., 17th AIAA International Space Planes and Hypersonic Systems and Technologies Conference, April 2011

March 2, 2015


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Re-entry Experiments: MAXUS 9 Piggy-Back Capsule

“Aerodynamics of Decelerators: Parachutes and Ballutes” by Vorticity Ltd Courtesy of Vorticity Ltd

March 2, 2015


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Additional Possibilities

March 2, 2015


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supersonic flight

microgravity

aerothermodynamic measurements

re-entry

sensors subsystems

model validation

flight testing

technology validation

aero-breaking

flight measurement techniques

multi-phase flow phenomena

free-surface flow-models

chemistry models

acoustics and instabilities

plume interaction

aero-elastic analysis

physical modelling

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Typical TEXUS Timeline

March 2, 2015


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L-18m L-13m

Start of experiment developmentInitiate rocket motor procurementInitiate service system refurbishment

Experiment PDRs Experiment CDRs

L-16m

detailed designexperiment concepts

L-3m L-1m

Launch

Experiment acceptance reviews

Delivery of rocket motors from Brazil to EsrangeDelivery of service systems

Start of launch campaign (Esrange)

Lift

-off

!

Integrated payload system tests

L-2m L-2w

experiment manufacturing, integration & test experiment acceptance CampaignIPST

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Conclusion

• TEXUS/MAXUS is a perfect test bed for aerothermodynamics

• Many different types of experiments can be accommodated

• Access to TEXUS/MAXUS is easy

• TEXUS/MAXUS offer regular flight opportunities

We make technology (and your experiment) fly in space!

March 2, 2015


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March 2, 2015 23

Thank you very much for your attention!

Contact: Name: Andreas Schütte Title: Head of TEXUS/MAXUS Telephone: +49 421 539 5354 E-mail: [email protected]

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BACK-UP

March 2, 2015


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MAXUS Re-entry

Approximate MAXUS 9 trajectory based on CFD aerodynamics for AoA 90 deg

Pressure and Heat Flux Density (Radiation Equilibrium) at Stagnation Line vs. Time

March 2, 2015


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Flow direction perpendicular to payload axis

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Typical TEXUS Flight Data

March 2, 2015


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Typical TEXUS Skin Temperatures

March 2, 2015


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sounding rocket program texus/maxus -...

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