Space Solar Power Review Vol 10 Num 1 1991

Cover	1
Editors List	2
Table of Contents	3
Lunar Resources: Thoughts of an Economic Geologist by Stephen GIllett	5
Summary	5
Introduction	5
Fundamental Constraints	6
Grade and Tonnage	6
Contrast	8
Location	10
Opportunistic	10
Logistic	11
Implications for Lunar Resource Development	11
Oxygen	13
Iron	14
Aluminum	14
Titanium	14
Silicon	15
Rare elements	15
Conclusions	15
Acknowledgments	16
References	16
On the Possibility of Space Generated Solar Electricity for the Antarctic by Lars Broman	21
References	22
Comment on the Possibility of Space Generated Solar Electricity for the Antarctic by Andrew Cutler	23
References	24
The Space Power Programme of the European Space Agency by Bogus, Dudley, Haines, Kassing and O'Sullivan	25
Summary	25
1. Introduction	25
2. The European Mission Scenario Through 1999	25
3. European Spacecraft Power Requirements	27
3.1 Power System Requirements	28
3.1.1 Power System Requirements for LEO Missions	28
3.1.1.1 EURECA	28
3.1.1.2 ERS-1	28
3.1.1.3 COLUMBUS	29
3.1.1.4 HERMES	30
3.1.2 Power System Requirements for GEO Missions	30
3.1.2.1 OLYMPUS	30
3.1.3 Power System Requirements for Deep Space Missions	31
3.1.3.1 Cassini TII'AN PROBE	31
3.2	31
3.2.1 Solar Array System Requirements	31
3.2.2 Assembly Level Requirements	33
3.2.3 Component Level Requirements	34
3.3 Storage Requirements	34
3.3.1 Secondary Storage for GEO Spacecraft	34
3.3.2 Secondary Storage for LEO Spacecraft	34
3.3.3 Primary Storage	34
4. The European Space Power Development Programme	35
4.1 Power Conditioning and Electronics Technology	35
4.1.1 Power System Developments for Manned Missions	36
4.1.2 Power System Development for GEO Missions	38
4.1.3 Additional Developments	38
4.2 Photovoltaic Generator Technology	39
4.2.1 European Solar Array Subsystems	39
4.2.2 Assembly Development Act	39
4.2.3 Solar Cell Technology Development	40
4.2.3.1 Development Targets	40
4.3 Energy Storage Technology	42
4.3.1 Secondary Systems	42
4.3.2 Primary Systems	44
5. Perspectives	44
Mass and Performance Estimates for 5 to 1000 kW(e) Nuclear Reactor Power Systems for Space Applications by Cropp, Gallup & Marshall	45
Summary	45
1.0 Executive Summary	45
2.0 Power System Descriptions	48
2.1 The OTR Power System	49
2.2 TFE Based Power Systems	51
2.3 The SP-100 With Thermoelectric Power Conversion	55
2.4 The SP-100 With Stirling Power Conversi	57
2.5 The SP-100 With Rankine Power Conversion	59
2.6 The SP-100 With Brayton Power Conversion	59
2.7 Electrical Subsystems	61
3.0 Analysis Approac	61
3.1 Description of System Models	62
3.2 Study Ground Rules	63
3.2.1 Technology Status	63
3.2.2 Reliability	64
3.2.3 Component Mass Estimates	65
4.0 Mass and Area Results	67
4.1 Power System Mass Comparison	67
4.1.1 OTR Power Syst	67
4.1.2 The SP-100 Power System	67
4.1.3 The SP-100 With Brayton Power Conversion	75
4.1.4 TFE Based Power Systems	75
4.1.5 SP-100 With Stirling Power Conversion	76
4.1.6 SP-100 With Rankine Power Conversion	76
4.2 Power System Mass Characteristics	76
4.2.1 Length Of The Separation Boo	76
4.2.2 Power System Mass Breakdown	76
4.2.3 Radiation Hardened Electronics	77
4.3 Power System Area Results	77
5.0 Conclusions	78
Acknowledgements	78
References	79
Overview of CNES-CEA Joint Programme on Space Nuclear Brayton Systems by Carre, Proust, et all	81
Summary	81
Background and Brief Programme Account	81
Various Candidate Technologies for 20 kWe Nuclear Brayton Power Systems	84
3.1 Specifications for the Study	84
3.2 Design Features Common to the Systems Compared	84
3.3 Specific Design Features	86
3.4 Design Points	92
3.5 Reactor Design	96
3.6 Mass Evaluation	98
3.7 Power Growth Potential	100
3.8 Operating Constraints	100
3.9 Safety Aspects	101
3.10 Reliability	101
3.11 Development Cost and Lead Time	101
3.12 Conclusion	102
References	103
A Lunar Rover Powered by an Orbiting Laser Diode Array by deYung, Williams, et al	105
Summary	105
I. Introduction	105
II. Laser Transmitter Orbital Mechanics	112
III. Laser Transmitter System	112
IV. Rover Laser-to-Electric Power Converter	114
V. Conclusion	127
References	128
Notes for Contributors	131
Back Cover Contents	132

RkJQdWJsaXNoZXIy MTU5NjU0Mg==