Agenda (1) Review of Status SCISAT I Program Victor Wehrle Current Knowledge and Further Needs FTS/Imager Instrument MAESTRO Instrument Chris Boone Tom McElroy Test Definitions FTS/Imager Instrument MAESTRO Instrument SCISAT Test Readiness Review Kaley Walker Denis Dufour January 29, 2003 Agenda (2) Test Procedure (see Test List)
Mike Butler Temperature Cycle Bench Tests Nominal Operation (15 C) Maximum Operation (30 C) Minimum Operation (0 C) Shroud Temperature Detector Temperature Contamination Mitigation Detector Contamination Remediation Instrument Recovery SCISAT Test Readiness Review
January 29, 2003 Agenda (3) Equipment Readiness ICF U of T OGSE MAESTRO EGSE FTS EGSE Jim Drummond Denis Dufour Ron Irvine ? Software Readiness ICF U of T OGSE
MAESTRO EGSE FTS EGSE SCISAT Test Readiness Review January 29, 2003 Agenda (4) Analysis Software Readiness MAESTRO FTS Imagers SCISAT Test Readiness Review Tom McElroy Chris Boone David Turnbull January 29, 2003 Evaluation Temperatures 50 Bench Tests Nominal
Maximum 0 0 Temperature (Deg C) Recovery Minimum -50 5 10 15 20 25 30 Pumpdown Cool Detector
-100 Cool Shroud -150 -200 Baseplate Instrument Shroud Detector -250 Time (Days) SCISAT Test Readiness Review January 29, 2003 Contamination Mitigation
Achieve 10-5 Torr before cooling shroud Set Detector & Radiator Heaters Cool Shroud with LN2 Stabilize Shroud Cool Detector Target with LN2 Maintain LN2 until Detector reaches 130 C Purge LN2 and fill with LHe Perform Detector Temperature Tests Monitor for Contamination every 12 hours SCISAT Test Readiness Review January 29, 2003 Detector Contamination Remediation Monitor Spectral level at 1500 cm-1 (TBC) Establish Criterion for maximum loss of signal amplitude, e.g. 40% (TBC) Assess time cost and benefits from procedure to decontaminate detector Purge Detector Cold Target
Activate Detector and Detector Radiator Heaters for 24 Hrs (TBC) Cool Detector Cold Target, as before SCISAT Test Readiness Review January 29, 2003 Instrument Recovery Purge LHe from Detector Cold Plate Purge LN2 from Shroud Pass dry N2 through Plate and Shroud Allow temperatures to rise naturally to reach ?? C Vent tank with dry N2 CAUTION: Observe Instrument Temperature when N2 purge starts to avoid cooling from lower temoeratures in MLI and Shroud! SCISAT Test Readiness Review January 29, 2003
FTS Requirements Material required from Bomem Unambiguous Time Stamping Procedure Housekeeping and Status from EGSE Latest Release of C&DH document Labview interface between EGSE and UofT system Level 0 to Level 1 Processing Transfer functions from Engineering to Command Commands & Procedure to update Suntracker registers at start of sunscan Packing and Handling & Safety and Hazards documents SCISAT Test Readiness Review January 29, 2003
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