THEMIS Instrument CDR 1 UCB, April 19-20, 2004 Flux Gate Magnetometer and Boom Thermal Christopher Smith Thermal Engineer

THEMIS Instrument CDR 2 UCB, April 19-20, 2004 FGM Two carbon fiber tubes joined by an elbow hinge Frangibolt release on the base hinge Elbow hinge is capture only, no release

THEMIS Instrument CDR 3 UCB, April 19-20, 2004 FGM Geometry Model FGM Model Deployed Stowed

THEMIS Instrument CDR 4 UCB, April 19-20, 2004 FGM  /  Map MLI 30% AZ2000IECW White Paint 70% VDA Tape  = 0.5 to 0.9 AZ2000IECW White Paint Alodined Aluminum on Undersides

THEMIS Instrument CDR 5 UCB, April 19-20, 2004 FGM Model Inputs Optical materials –MLI –Vapor Deposited Aluminum Tape –AZ 2000 IECW White Paint –Alodined Aluminum Thermophysical materials –Aluminum, 6061 –M55J –ULTEM –Dexter Hysol 9349 Heaters –None in current model though provisions have been made for deployment heaters if needed and it looks like we will need them. Conductors –Deck Hinge ULTEM isolators, < G <.0133 W/C each –Conductance through deck hinge, 0< G <.02 W/C –Conductance through adhesive to boom tube, 6.6 W/C –Conductance through adhesive at elbow hinge, 4.9 W/C –Conductance through elbow hinge, 0< G < 0.04 W/C –Conductance through adhesive to Sensor, 3.3 W/C –G10 Isolation mounts at FGM sensor, 0.01 W/C –Elbow Latch Tower ULTEM isolators, < G <.0133 W/C each Power Dissipation –0 Watts Nominal Elbow Hinge

THEMIS Instrument CDR 6 UCB, April 19-20, 2004 FGM Case Sets Identical case sets to the SCM * UCB model eclipse time, boundary conditions do not yet include eclipse

THEMIS Instrument CDR 7 UCB, April 19-20, 2004 FGM Deployed – Nominal Plot

THEMIS Instrument CDR 8 UCB, April 19-20, 2004 FGM Deployed – Top and Bottom to Sun Plot

THEMIS Instrument CDR 9 UCB, April 19-20, 2004 FGM Stowed – Nominal Plots

THEMIS Instrument CDR 10 UCB, April 19-20, 2004 FGM Results Table

THEMIS Instrument CDR 11 UCB, April 19-20, 2004 FGM Deployed Coldest Heat Map

THEMIS Instrument CDR 12 UCB, April 19-20, 2004 FGM Deployed Hot Temperature Map

THEMIS Instrument CDR 13 UCB, April 19-20, 2004 FGM Stowed Coldest Temperature Map

THEMIS Instrument CDR 14 UCB, April 19-20, 2004 FGM Stowed Hottest Temperature Map

THEMIS Instrument CDR 15 UCB, April 19-20, 2004 Search Coil Magnetometer and Boom Thermal Christopher Smith Thermal Engineer

THEMIS Instrument CDR 16 UCB, April 19-20, 2004 SCM Model Carbon Fiber boom mounted on the top deck Frangibolt activated deployment Sensor mounted in PEEK structure

THEMIS Instrument CDR 17 UCB, April 19-20, 2004 SCM Geometry Model SCM Model Deployed Stowed

THEMIS Instrument CDR 18 UCB, April 19-20, 2004 SCM  /  Map MLI 30% AZ2000IECW White Paint 70% VDA Tape  = 0.5 to 0.9 AZ2000IECW White Paint Alodined Aluminum on Undersides

THEMIS Instrument CDR 19 UCB, April 19-20, 2004 SCM Model Inputs Optical materials –MLI –Vapor Deposited Aluminum Tape –AZ 2000 IECW White Paint –Alodined Aluminum Thermophysical materials –Aluminum, 6061 –M55J –ULTEM –Dexter Hysol 9349 Heaters –None in current model though provisions have been made for deployment heaters if needed and it looks like we will need them. Conductors –Deck Hinge ULTEM isolators, < G <.0133 W/C each –Conductance through deck hinge, 0< G <.02 W/C –Conductance through adhesive to boom tube, 6.6 W/C –Conductance through adhesive to Sensor, 3.3 W/C –PEEK isolation of SCM sensor, 0.01 W/C –Release Tower ULTEM isolators, < G <.0133 W/C each Power Dissipation –0 Watts Nominal Deck Hinge

THEMIS Instrument CDR 20 UCB, April 19-20, 2004 SCM Case Sets

THEMIS Instrument CDR 21 UCB, April 19-20, 2004 SCM Deployed – Nominal Plot Deployed SCM Plot, Nominal Case Sets

THEMIS Instrument CDR 22 UCB, April 19-20, 2004 SCM Deployed – Top and Bottom to Sun Plot Deployed SCM Plot, Top and Bottom to Sun

THEMIS Instrument CDR 23 UCB, April 19-20, 2004 SCM Stowed – Nominal Plots

THEMIS Instrument CDR 24 UCB, April 19-20, 2004 SCM Plot Cross Tube Temp Differentials Cross-Tube Temperature Differentials

THEMIS Instrument CDR 25 UCB, April 19-20, 2004 SCM Plot Axial Temperature Differentials Axial Temperature Differentials

THEMIS Instrument CDR 26 UCB, April 19-20, 2004 SCM Results Table

THEMIS Instrument CDR 27 UCB, April 19-20, 2004 SCM Deployed Coldest Heat Map

THEMIS Instrument CDR 28 UCB, April 19-20, 2004 SCM Deployed Hot Temperature Map

THEMIS Instrument CDR 29 UCB, April 19-20, 2004 SCM Stowed Coldest Temperature Map

THEMIS Instrument CDR 30 UCB, April 19-20, 2004 SCM Stowed Hottest Temperature Map