test readiness review 23 october 2003 cral - lyon

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Test Readiness Review Test Readiness Review 23 October 2003 23 October 2003 CRAL - LYON CRAL - LYON

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Page 1: Test Readiness Review 23 October 2003 CRAL - LYON

Test Readiness ReviewTest Readiness Review

23 October 200323 October 2003

CRAL - LYONCRAL - LYON

Page 2: Test Readiness Review 23 October 2003 CRAL - LYON

October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 22

AgendaAgenda

9h  9h            Status and Lab visitStatus and Lab visit

9h15  9h15      Summary of the designSummary of the design

9h309h30    IntegrationIntegration

9h459h45 Overall test planOverall test plan

10h0010h00     Results of individual subsystem testResults of individual subsystem test

11h3011h30      Mechanical and vibration testMechanical and vibration test

12h0012h00     LunchLunch

14h0014h00    Warm test planWarm test plan

14h3014h30    Cold test planCold test plan

15h15h          Pupil and slit Mirrors concernsPupil and slit Mirrors concerns

15h1515h15 General discussionsGeneral discussions

16h16h          Action listAction list

17h17h          EndEnd

Page 3: Test Readiness Review 23 October 2003 CRAL - LYON

October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 33

StatusStatus

Prototype manufactured and integratedPrototype manufactured and integrated All components requirements are fulfilledAll components requirements are fulfilled

2 concerns:2 concerns: Slit mirrors optical contact released twiceSlit mirrors optical contact released twice Pupil mirrors released once during deliveryPupil mirrors released once during delivery

One mirror damagedOne mirror damaged Cybernetix remanufacture one line (30th oct)Cybernetix remanufacture one line (30th oct)

Page 4: Test Readiness Review 23 October 2003 CRAL - LYON

October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 44

ScheduleSchedule

Page 5: Test Readiness Review 23 October 2003 CRAL - LYON

October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 55

Action List ReviewAction List Review

Page 6: Test Readiness Review 23 October 2003 CRAL - LYON

October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 66

Design OverviewDesign Overview

Active Stack

Heel

Stack support

Steering mirror

Pupil mirror array

Slit mirror array

Main structure

Substructure

Thrust cylinders

Dummy Stack

Page 7: Test Readiness Review 23 October 2003 CRAL - LYON

October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 77

Prototype manufacturedPrototype manufactured

Page 8: Test Readiness Review 23 October 2003 CRAL - LYON

October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 88

Optical DesignOptical Design

10 Slices10 Slices 5 pupil mirrors5 pupil mirrors 5 slit mirrors5 slit mirrors

Diaphragm on Diaphragm on re-imaging re-imaging mirrormirror

5 slits to be 5 slits to be studiedstudied

2.754 mm (in slit mirrors and in detector plane)

Incident collimated beam

Folding mirror

Re imaging mirror

Slices Pupil mirrors

Slit mirrors

Camera objective 1

CCD detector

Page 9: Test Readiness Review 23 October 2003 CRAL - LYON

Pupil and slit MirrorsPupil and slit MirrorsConcernsConcerns

Page 10: Test Readiness Review 23 October 2003 CRAL - LYON

October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 1010

Pupil and slit mirrors concernsPupil and slit mirrors concerns

Recovery plan from the baseline monolithic solutionRecovery plan from the baseline monolithic solution Not optimized for mechanical strength Not optimized for mechanical strength Optimized to be mechanically compatible with monolithicOptimized to be mechanically compatible with monolithic Optical property are fully in specificationsOptical property are fully in specifications

Mechanical assembly has to be redesignMechanical assembly has to be redesign

Page 11: Test Readiness Review 23 October 2003 CRAL - LYON

October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 1111

RecommendationRecommendation Redesign and manufacture new pupil and slit linesRedesign and manufacture new pupil and slit lines

Redesign and manufacture new mechanical supportRedesign and manufacture new mechanical support

Conduct vibration and thermal testsConduct vibration and thermal tests

Recommendation: ESA Contract extension (~35k€)Recommendation: ESA Contract extension (~35k€)

Current design

Proposition