Space Weather and Manned Spaceflight 28 April 2010 1 Neal Zapp 2 A.S. Johnson, 1 K. Lee, 2 T. Bevill, 2 Dan Fry, 2 Nic Stoffle, 2 Audrey Dunegan, 2 Janet Barzilla, 2 Joel Flanders, 2 Eliseo Gonzalez, 2 T. Lin, 3 R. Gaza, 3 D. Zhou, 3 Yvonne Roed 2 Clif Amberboy, 2 Lollie Lopez. 1 NASA Johnson Space Center, SF2, Houston, TX 77058 U.S.A. 2 Lockheed-Martin Space Operations, Houston, TX 77258 U.S.A. 3 Universities Space Research Association, Houston, TX 77058 U.S.A.
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Space Weather and Manned Spaceflight · Space Weather and Manned Spaceflight 28 April 2010 1Neal Zapp ... 1NASA Johnson Space Center, SF2, Houston, TX 77058 U.S.A. 2Lockheed-Martin
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Nominal exposures significantly greater than terrestrial rad-workers or air crews
Risks
Loss of mission
Protracted loss of crew (REID)
• Risk management / mitigation
• Time, Distance, Shielding
• Planning/Re-planning
• Manipulation of local shielding
• Primary Limitations • Solar forecasting • Environmental dynamics
Surgeon/BME
Flight Director
MPSR
MCC
ISPX Servers Telemetered
ISS Data
Operational Displays
and Tools
SWPC
Outside Data
• Notification of SEPs for
hardware concerns
• Time intervals of SEP
exposure risk • Maintain status of mission exposure trends
• Evaluate EVAs for Exposures (ALARA)
• During Solar Energetic Particle Events (SEPs)
Advise Surgeon on Magnitude of events
Time intervals of SEP Exposure Risk
Recommendations regarding Crew Shelter
• Training for SRAG Operations and Hardware
AFTAC
Crew • ASCAN Training
• Flight Hardware Training
Console Interfaces ISS
• Artificial Event Detection
and Notification
Alerting
International
Partners • Data sharing
• Alerting
• Coordinated contingency response
Telemetry
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SPACE RADIATION ANALYSIS GROUP
SRD Lab Workload in 2008
Mission Launch Date Total Number of
OSL/TL/CR-39
STS-122 02/07/2008 336
STS-123 03/11/2008 336
STS-124 05/31/2008 336
STS-126 11/14/2008 380
ISS Expd 16/1E 02/07/2008 48
ISS Expd 16-
17/1JA
03/11/2008 576
ISS Expd 17/1J 05/31/2008 48
ISS Expd 18/17S 10/12/2008 83
ISS Expd 18/ULF2 11/14/2008 788
Matroshka , Space Icchiban, DOSIS, Accelerator Calibrations
200-300 detectors per year
TOTAL 3000+
100
120
140
160
180
200
220
240
260
280
300
May
08
Aug 0
7
Sep 0
6
Mar
06
Oct
05
Apr 0
5
Oct
04
Oct
03
Apr 0
4
Nov
02
Jun 0
2
Apr 0
2
Dec
01
Aug 0
1
Jul 0
1
Apr 0
1
Dec
00
Do
se R
ate
IS
S 2
000
-20
08
(G
y/d
ay)
SM
LAB
Airlock
Launch Date
120
140
160
180
200
220
240
260
280
300
320
340
360
380
400
CHeCS NOD2OP2
NOD2S5
COL_EDRCOL_EPM
LAB1_D3
LAB1_PD2
LAB1_OS0
LAB1_OS6
SM-P242
SM-P442
SM-W14
SM-P307
A/L1 AD3
A/L1 OF3
TESSSM-P339
SM-P327
NOD1S1_02
NOD1OP2
OS
L/T
L D
ose R
ate
G
y/d
ay)
ISS RAM Locations
ISS 15/13A.1 (08/08/07-03/26/08);
ISS 16-17/1J/A (03/11/08-11/30/08)
NOD1P4_03
SRAG Operational Radiation
Measurements
7
Analysis Methods
• Configuration-managed, industry-standard sector analysis modules • Production tools derived from HRP Pro-Engineer-based products • Rapid, precise evaluation of large structures/assemblies • Systems engineering – performance does NOT dictate mass