Europa Penetrator Design and Survivability Testing IPPW10 Sanjay Vijendran, ESA ESTEC Marie-Claire...
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Transcript of Europa Penetrator Design and Survivability Testing IPPW10 Sanjay Vijendran, ESA ESTEC Marie-Claire...
![Page 1: Europa Penetrator Design and Survivability Testing IPPW10 Sanjay Vijendran, ESA ESTEC Marie-Claire Perkinson, Lester Waugh, Mike Williams, Astrium Tom.](https://reader035.fdocuments.net/reader035/viewer/2022081603/5697c0131a28abf838cccb97/html5/thumbnails/1.jpg)
Europa Penetrator Design and Survivability TestingIPPW10Sanjay Vijendran, ESA ESTEC
Marie-Claire Perkinson, Lester Waugh, Mike Williams, Astrium
Tom Kennedy, University College London (Mullard Space Science Laboratory)
Phillip Church, QinetiQ
Jeremy Fielding, Rapid Space Technologies
Nick Taylor, University of Cambridge (Cavendish Laboratory)
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Mission Overview
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Mission Science Goals Key science focus
astrobiology
Primary payloads Mass spectrometer Habitability package Microscope
Sampling system required drill through the shell and collect material for analysis
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Sampling Mechanism
Mass Spectrometer
Microscope
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Penetrator Design
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EPAC front bay
Warm platform bay showing configuration
Rear plate
E-PAC
Central Bulkhead
Cold bay
Warm bay
Bay support system
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Delivery System Design Function to deliver
the penetrator to the right location with the right impact conditions
PDS provides: attitude control descent timing large delta-V Penetrator release Orbiter interface
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Main engine
Attitude control thrusters
Bipropellant system
Avionics bay
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System Verification Current contract is focussed on maturing
technology and reducing risk for penetrator missions
Method applied: Impact Modelling for penetrator and critical components Small scale impact testing for critical components Functional testing for sampling mechanism Full scale impact testing to demonstrate mechanical system
performance and key items
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Small Scale Modelling Modelling of impact set up at
Cavendish Determine the speeds and materials
to be used for the small scale test flyer plates
Aim to reproduce the loading regime experience at full scale
Modelling of small scale test items
Small scale penetrator model Key electronics Torlon springs
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Small Scale Model Results
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Full Scale Modelling
Date - 9
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Date - 10
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Date - 11
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Date - 12
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Small Scale Tests Small scale testing
programme carried out at University of Cambridge Cavendish Labs
Following tests carried out: Batteries Data loggers Torlon leaf springs Drill components UHF critical components Scaled shells with Al plugged
apertures
Test outcomes largely successful
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Plugged Shell & Test Compartments
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Plugged Penetrator aperture
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Torlon Spring Test Results (1)
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Torlon Spring Test Results (2)
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43 us
128 us
241 us
299 us
385 us
556 us
641 us
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Functional Testing (1/2)
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Functional Testing (2/2)
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Full Scale Tests Full scale testing of the penetrator
planned for July 2013
Tests carried out at the QinetiQ operated MoD test range at Pendine
Rocket sled used to accelerate the Penetrator to a ~300m/s impact velocity
Two firings planned, one into sand, one into ice
Target dimensions 3 x 3 x 6 m
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Full Scale Breadboards
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Next Steps Complete full scale testing
Review outcomes
Plan for next steps: Potential follow on activities to be decided Battery and transceiver technologies to be addressed Inductive interface for power and data also of interest
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