Trapped Radiation ENvironment model Development
TREND-1 final report
Authors:
- IASB/BIRA
- Joseph LEMAIRE, Michel ROTH, Jacques WISEMBERG, Pol DOMANGE, Dominique FONTEYN, Jean Michel LESCEUX, Gerard LOH
- MATRA-ESPACE
- Goerges FERRANTE, Christian GARRES, Jacques BORDES
- STI
- Susan McKENNA-LAWLOR
- JIV Assoc
- Jim I. VETTE
Table of content
Foreword
- Identification of problems
- Outline of this final report
- Acknowledgments
Table of content
1. General overview and background for trend
- Introduction
- Radiation effects and hazards
- Background of TRND's study
- The scope & objectives of this study
2. Evaluation of current and new models
- Brief description of the radiation environment
- Geomagnetic field model
- Models of trapped radiation fluxes
- Outline of TRENDS contributions to model evolutions
3. Software & data requirements & development
- Data available and selection criteria
- Description of the data selected for analysis, and selection rationale
- Los Alamos National Laboratory (LANL) geostationary Charged Particle Analysers (CPA)
- The IUE particle flux monitor (PFM)
- Software tools developed by TREND
- Software utility subroutines developed by TREND
4. Data analysis & modelling results
- Results obtained with Feynman et al.'s model
- B-L coordinates with and without an external magnetic field
- Distribution of LANL positions in B-L space
- Distribution of LANL electron flux measurements
- Energy spectra deduced from LANL electron flux measurements
- Local time variation of LANL electron flux measurements
- Distribution of electron flux for a constant L- value
- Results from IUE data
5. Flight measurement requirements
- Introduction
- Spatial regions of importance for the space radiation environment
- ESA's future missions and flight measurements requirements
- How tu use future radiation data to update Earth's radiation environment models and produce new ones ?
- Recommendations for futures flights and modelling efforts
6. Conclusions & recommendations
- Why there is a need for environment radiation data and updated models
- The situation before and after TREND
- Recommendations for the future
Appendix
- Outline for future longterm developments
- SAPRE - the orbit generator
- BLXTRA - coordinates transformation
- TREP - terrestrial radiation environment program
- The Tsyganenko magnetic field models
- The Feynman et al. model
List of references