K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida International Microgravity Plasma Facility (IMPF) A Modular Multi-Purpose Research Facility for ISS T. Stuffler, J. Burfeindt, R. Seurig, R. Castegini Kayser Threde (Munich) J. Goree Univ. of Iowa

K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida Outline of this talk IMPF Philosophy IMPF Study Status –Phase A study –H/W pre-development phase Time Schedule Summary and Outlook

K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida IMPF Philosophy Fully equipped laboratory for ISS plasma experiments Facility operational for 10 years Highly modular facility design –Experiment insert = 1 locker –Supporting hardware = 3 lockers Flexible accommodation on ISS (political decision, barter object) Insert exchange cycles –experiment e.g. 6 months –other inserts about 2-3 years

K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida 200 liter volume Housed in 4 Mid-Deck Lockers 1 Locker = 1 Module Gas/Vacuum Power Distribution Data Processing Experimental insert Exchanged on a 6-month cycle Modular Construction

K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida Accommodation Undetermined  Requires Flexible Design to allow Accommodation Anywhere on ISS Feasible Accommodations US  Express Rack ESA  European Drawer Rack  Co-Accommodation with another instrument (ICAPS = (Interactions in Cosmic and Atmospheric Particle Systems) RSA  UDM

K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida Example: IMPF accommodated in Express Rack

K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida Current Design of the First Experimental Locker

K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida Vacuum Chamber Design Gas Inlet/Outlet Automatic-Cleaning

K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida Gas-Handling Locker

K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida Mission Scenario - Up-/Down-Loads Up-load: Middeck Locker (MDL) or size & mass equivalent are compatible with Progress, ATV (TBR), HTV (TBR), and Space Shuttle Down-load: only Space Shuttle is available for MDL type payload Progress Space ShuttleATV HTV

K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida Project Phases Phase A:Feasibility 8 months Pre-Development:BB oriented feasibility (Special Tasks)24 months Phase B:Design (LLI procurement)12 months Phase C/D:Detailed design/Manufacture and tests24 months Delivery:L - 6 months Phase E:Launch, commissioning /ISS implementation10 years Phase F:Disposal (of space waste)L + 10 years

K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida IMPF - Time Line Phase C/DData EvaluationFlight System Delivery IMPF 1 RF Basic IMPF 2 DC Basic IMPF 3 RF Applied IMPF 4 RF / DC Basic PKE-Nefedov PKE 4 (tbc) Flight Events AB + C/D IMPF Phase A + B (IMPF 1,2,3) A Pre- Development B

K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida Pre-Development: selected component level development and evaluation Breadboard: selected sub- system testing (interaction impact investigation) Development Approach for Experiment Insert

K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida Engineering Model (EM) Hardware: –Form, Fit, and Function of PFM –But lower grade components. –Used for engineering evaluation, test equipment development, procedures development Proto-Flight Model (PFM) Hardware: –same hardware used for Qualification and Flight Training Model  Software Reference Model Development Approach for Experiment Insert (cont.)

K A Y S E R - T H R E D E Conference and Exhibit on International Space Station Utilisation October October; Florida Summary and Outlook Dusty plasmas – an exploding research field, requires under µg-conditions IMPF – International Microgravity Plasma Facility –advanced µg-platform for scientific community –exchangeable experiment and facility inserts  best science for a decade Funding: –To date, DLR –ESA funding to be considered in Ministerial Meeting Nov (Edinburgh, Scotland) –Accommodation etc. undetermined, barter opportunities for future