Workshop HEND 2003 BTN HEND analog on International
Workshop HEND - 2003 BTN – HEND analog on International Space Station (Application of second unit of HEND in experiment «BTNNeutron» on board of ISS) V. Tret’yakov, , S. Charyshnikov, V. Grinkov, A. Kozyrev, M. Litvak, I. Mitrofanov, A. Sanin Institute for Space Research NASA 2001 Mars Odyssey page 1
Workshop HEND - 2003 Technical requirement for space science devices Laboratory unit Control unit Fly unit 2 Technological unit Fly unit 1 NASA 2001 Mars Odyssey Institute for Space Research, June 9 - 11, 2003 page 2
Workshop HEND - 2003 Technical requirement for space science devices E A R T H Laboratory unit M A R S Control unit Technological unit ISS Fly unit 2 Fly unit 1 NASA 2001 Mars Odyssey Institute for Space Research, June 9 - 11, 2003 page 3
Workshop HEND - 2003 Main goals of experiment BTN (on Board Telescope of Neutron): - build physics model of generation of charged and neutral particles during solar flare - constructing of Earth neutron albedo model considering altitude – longitude coordinates of SC, time of day, solar activity and Earth atmosphere’ conditions - build physics model of neutron background near ISS for different flying regimes and orientations - detecting of Gamma Ray Bursts “simultaneously” with HEND of “ 2001 Mars Odyssey” and other SC NASA 2001 Mars Odyssey Institute for Space Research, June 9 - 11, 2003 page 4
Workshop HEND - 2003 Main parts of BTN 1. Block of detectors (“HEND”) – BTN-MD 2. Block of electronic - BTN-ME 3. Assembly corbel with radiators – BTN-MF NASA 2001 Mars Odyssey Institute for Space Research, June 9 - 11, 2003 page 5
Workshop HEND - 2003 Block of detectors (“HEND”) – BTN-MD: - for direct detecting of neutrons of solar flare scattering in atmosphere; - for measuring of fluxes of epi-thermal (0. 4 -1. 0) e. V, resonance (1 e. V - 0. 3 Me. V) and fast (0. 3 -10) Mev neutrons from interactions of cosmic ray with gases of Earth atmosphere; - for direct measuring X-ray and soft gamma radiation from Sun and from space in energy range 30 Ke. V-10 Me. V. NASA 2001 Mars Odyssey Institute for Space Research, June 9 - 11, 2003 page 6
Workshop HEND - 2003 Block of electronics – BTN-ME: Power supply and control Active providing with thermal safety of BTN-MD Command transmission Telemetry transmission on board, Temporary storage of data in case unexpected delay in transmission on Earth NASA 2001 Mars Odyssey Institute for Space Research, June 9 - 11, 2003 page 7
Workshop HEND - 2003 Assembly corbel with radiators – BTN-MF: Assembly of BTM-MD on the outside of ISS Providing with thermal safety of BTN-MD NASA 2001 Mars Odyssey Institute for Space Research, June 9 - 11, 2003 page 8
Workshop HEND - 2003 Detecting block BTN-MD NASA 2001 Mars Odyssey Institute for Space Research, June 9 - 11, 2003 page 9
Workshop HEND - 2003 Detecting block BTN-MD Scintillation block Middle He 3 detector Large He 3 detector Small He 3 detector NASA 2001 Mars Odyssey Institute for Space Research, June 9 - 11, 2003 page 10
Workshop HEND - 2003 Main parameters of device’ block BTN-MD 260 х 220 х200 мм, BTN -ME 280 х 245 х 120 мм, mass ~ 6 kg BTN -MF 240 х 160 х 10 мм, radiators) mass ~ 4 kg; mass ~ 1 kg (with NASA 2001 Mars Odyssey Institute for Space Research, June 9 - 11, 2003 page 11
Workshop HEND - 2003 Block of detector – allocation on ISS (1) NASA 2001 Mars Odyssey Institute for Space Research, June 9 - 11, 2003 page 12
Workshop HEND - 2003 Block of detector – allocation on ISS (2) NASA 2001 Mars Odyssey Institute for Space Research, June 9 - 11, 2003 page 13
Workshop HEND - 2003 Block of detector - field of view NASA 2001 Mars Odyssey Institute for Space Research, June 9 - 11, 2003 page 14
Workshop HEND - 2003 Main engineering task which must be solved during designing of BTN: Concordance with technical requirements of ISS in telemetry, power supply and command transmission Thermal safety (theory and model experiment) Studying of ISS’ crew to setting of outside part of device NASA 2001 Mars Odyssey Institute for Space Research, June 9 - 11, 2003 page 15
- Slides: 15