The Effects of Electromagnetic Radiation The Effects of Electromagnetic Radiation and Shielding on Health in Near Space and Shielding on Health in Near Space

EnvironmentsEnvironments

Philip SugimotoPhilip SugimotoEngr 302Engr 302

5/9/015/9/01

OverviewOverviewEarth’s protection.Earth’s protection.Radiation in “Near Space”.Radiation in “Near Space”.Shielding Schemes.Shielding Schemes.Materials.Materials.Conclusion.Conclusion.

Earth’s ProtectionEarth’s Protection Van Allen Radiation Belts.Van Allen Radiation Belts. Ionosphere acts as a shield.Ionosphere acts as a shield. Equivalent of 10 tons/meter Equivalent of 10 tons/meter

squared.squared.

Radiation in “Near Radiation in “Near Space”Space”

Electromagnetic (x-ray and gamma Electromagnetic (x-ray and gamma ray).ray).

Energized Particles (proton and Energized Particles (proton and electron).electron).

Hot Matter.Hot Matter. Cosmic Radiation.Cosmic Radiation.

Shielding SchemesShielding Schemes Active Shielding.Active Shielding. Passive Shielding.Passive Shielding.

– Rotating Station, Rotating Mass.Rotating Station, Rotating Mass.– Rotating Station, Stationary Mass.Rotating Station, Stationary Mass.– Stationary Station, Stationary Mass.Stationary Station, Stationary Mass.

Lunar Shielding.Lunar Shielding.

Active ShieldingActive Shielding

Materials and Materials and ConstructionConstruction

Electrical interference.Electrical interference. Surface Degradation.Surface Degradation. New Materials.New Materials.

ConclusionConclusion Human Health and Long-Term Human Health and Long-Term

Residence in “Near Space”.Residence in “Near Space”.– Expensive but possible.Expensive but possible.

Societal, Political and Economics.Societal, Political and Economics.– Will eventually occur due to push Will eventually occur due to push

from one of these areas and the from one of these areas and the others will follow.others will follow.

View From SpaceView From Space

International Space International Space StationStation

The Future???The Future???