NASA CR-2357 Feasilibility Study of an SSPS

Cover	1
Untitled	3
TItle Page	5
Authors List	6
Table of Contents	7
Summary	15
Structure and Control Techniques	15
RFI Avoidance Techniques	15
System Optimization	15
Device Design	15
Effects of SSPS RFI on Other Users	15
Identification of Key Issues	16
Technological Issues	16
Environmental Issues	16
Economic Issues	16
Glossary of Symbols	17
Introduction	19
Baseline Dsign	20
Principles of a Satellite Solar Power Station	20
Location of Orbit	20
Solar Energy Conversion	22
Microwave Power Generation, Transmission, and Rectification	25
SSPS Flight Control	31
Earth-to-Orbit Transportation	31
Potential SSPS Power Levels []	32
Structure and Control Techniques	33
Structural and Dynamic Analysis of the SSPS	33
Summary	33
Baseline Configuration	33
Structural Mathematical Model	38
Dynamic Mathematical Model	40
Input of Elastic Body Characteristics into Attitude Control System Analysis	41
Establishment of Flight Loading Conditions	44
Input of Flight and Control System Loadings into Structural Model to Determine Internal Loads and Structural Deflections	46
Assessment of Baseline Configuration for Internal Loads and Deflections	46
Assessment of Candidate Material Characteristics	49
Identification of Areas Requiring Further Structure and Dynamic Analysis	50
Flight Control Performance Evaluation of the Baseline SSPS	53
Summary	53
Ground Rules and Assumptions	53
Discussion	54
Identification of Areas Requiring Further Flight Control Performance Analysis	88
Conclusions	89
RFI Avoidance Techniques	90
Optimization of Microwave Transmission System	90
Background	90
Discussion	91
Device Design and Expected RFI	93
Device Design	93
RF Spectrum Considerations for the SSPS Amplitron	104
Effects of SSPS RFI on Other Users	110
Transmitting Antenna and Nature of the Transmitted Beam	110
Noise from the SSPS	115
Identification of Key Issues	126
Key Technological Issues	126
Microwave Generation, Transmission, and Rectification	126
Solar Energy Conversion	134
Earth-to-Orbit Transportation	143
Orbital Assembly	146
Key Environmental Issues	146
Resource Use	146
Effects at the Receiving Antenna Site	147
Microwave Biological Effects	147
Ecological and Environmental Effects of Added Heat	154
Land Usage in the Receiving Antenna	162
Stratospheric Pollution with Shuttle Vehicle Exhaust Products	163
Other Booster Emissions	166
Tropospheric Pollution	167
Key Economic Issues	167
Key Cost Considerations	167
Key Economic Considerations	186
Concluing Remarks and Rcommendations	199
Structure and Control Techniques	199
Conclusions	199
Recommendations	199
RFI Avoidance Techniques	200
Conclusions	200
Recommendations	200
Identification of Key Issues	201
Technological Issues	201
Environmental Issues	202
Economic Issues.	204
Program Phasing	204
References	206
REVISION OF SECTION: Pages 149-153	168
Stratospheric Pollution with Shuttle Exhaust Products	170
Other Booster Emissions	174

RkJQdWJsaXNoZXIy MTU5NjU0Mg==