Goddard Space Flight Center Cryogenics and Fluids Branch Status of the AMS-02 Cryocooler January 2007 TIM

Goddard Space Flight Center Cryogenics and Fluids Branch January 2007AMS-02 TIM2 Compliant Mount Design Waiting for final design approval –By NASA GSFC’s Mechanical Systems Analysis Group Starting Qualification Plan –Component Static Pull Test Completed pre-test NDE Component test scheduled for mid Jan –Assembly Vibe Test on an FM cooler Working Pre-test analysis Assembly test scheduled for late Jan – early Feb

Goddard Space Flight Center Cryogenics and Fluids Branch January 2007AMS-02 TIM3 Cryocooler Electronics Electronics meeting –Held at ETH Zurich following October 2006 TIM –Review/demonstration of overall system –Discussion of testing to be completed at GSFC Verify multiple drive design Extended, uninterrupted runtime of electronics with FM coolers GSFC Electronics work –CCEB-EM1 anticipated arrival at GSFC March 2007 –Verify safe-to-mate by testing drive design & software with simulated loads & EM cooler –Verify compatibility with 4 FM coolers

Goddard Space Flight Center Cryogenics and Fluids Branch January 2007AMS-02 TIM4 Integration Formulating integration procedures and drawings –Cooler bracket integration to vacuum case –LHP integration –Balancer removal and integration (pre/post shipping to satisfy keep-in-zone) –Electrical connector interface drawing Identifying shipping configuration & requirements

Goddard Space Flight Center Cryogenics and Fluids Branch January 2007AMS-02 TIM5 Program Status Summary EM cooler –Continue life testing and thermal performance verification –Test with ETH flight electronics FM coolers –Preparing for tests with ETH flight electronics Compliant mount –Component test scheduled for Jan 07 –Assembly vibration test on FM cooler scheduled for Jan 07 – Feb 07 –Integrate with FM coolers Delivery schedule –FM coolers available after electronics work, beginning of July 2007