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Computer simulation of spacecraft/environment interaction.
K K Krupnikov1, A A Makletsov, V N Mileev
1Skobeltsyn Institute of Nuclear Physics, Moscow State University, Russia.
Radiation Measurements
|September 7, 2001
Summary
Computer simulations show how spacecraft charging is affected by eclipses and particle fluxes. A new method estimates spacecraft potentials in Low Earth Orbit (LEO), aiding space environment interaction studies.
Area of Science:
- Space physics
- Aerospace engineering
- Computational modeling
Background:
- Spacecraft charging is a significant environmental hazard affecting satellite operations.
- Understanding electron and ion flux interactions is crucial for spacecraft design and longevity.
Purpose of the Study:
- To present computer simulations of spacecraft interaction with the space environment.
- To investigate the impact of eclipses on spacecraft charging.
- To develop a method for estimating spacecraft potentials in Low Earth Orbit (LEO).
Main Methods:
- Analysis of electron and ion flux data from the GORIZONT-35 satellite (1991-1994).
- Development of a simple estimation method for spacecraft potentials in LEO.
- Presentation of a computer engineering model for space radiation calculation.
Main Results:
- Demonstrated the influence of spacecraft and device eclipses on spacecraft charging.
- Developed a method for estimating spacecraft potentials in LEO.
- Discussed the effects of particle flux and spacecraft orientation on charging.
Conclusions:
- Computer simulations provide valuable insights into spacecraft-environment interactions.
- The developed methods and models aid in understanding and mitigating spacecraft charging effects.
- Further research can refine these models for improved space mission safety.