Space Solar Power Review. Vol 8 Num 4. 1989

Cover	1
About page	2
Table of Contents	3
3-1. Optimal Design of Thermal Energy Storage for Space Power by Hamid Torab	5
Summary	5
Introduction	5
Background	6
Analysis and Modeling	7
Heat Transfer Coefficient	10
Effective Thermal Conductivity	10
Optimization Procedure	10
Results and Discussions	10
Nomenclature	11
References	12
3-4. Advanced Concepts for Latent Thermal Energy Storage for Solar Dynamic Receivers by Tanaka, Abe, et al	15
Summary	15
Introduction	15
Encapsulated Thermal Energy Storage	16
Principle of Stress Relaxation	16
Visualization Experiment	16
Composite Type Thermal Energy Storage	21
Composite Materials	21
Composite Type Receiver	22
He-Xe Loop Test	22
Conclusion	24
References	24
3-6. Advanced Nickel-Hydrogen Batteries by David Pickett	25
Summary	25
Background	25
State-of-the-Art	27
Recent Advances in the Technology	27
Comparison to Other Technologies	29
Conclusions	29
References	30
3-8. Cryogenic Reactant Storage for Lunar Base Regenerative Fuel Cells by Lisa Kohout	33
Summary	33
Introduction	33
System Modeling	35
Fuel Cell/Electrolyzer Subsyst	36
Gaseous Hydrogen/Oxygen Drying Subsystem	37
Hydrogen/Oxygen Liquefaction Subsystem	38
Reactant Storage Tanks	38
Radiators	39
Cryogen-to-Gas Conversion Subsystem	41
Photovoltaic Array	41
Power Conditioning	41
Results	42
Concluding Remarks	44
References	46
4-5. Structural Configuration Options For the Space Station Freedom Solar Dynamic Radiator by Adrian Tylim	49
Summary	49
Introduction	49
Solar Dynamic Power Module Cycle Description	50
Solar Dynamic Radiator Description	51
Solar Dynamic Radiator Alternative Configurati	52
Advantages and Disadvantages of the SDR Alternative Configurations	52
Physical Characteristics	52
Thermal Performance	54
Drag	55
Concentrator Shading	56
Mass	56
Summary of Results	56
Conclusions	57
Acknowledgements	57
References	58
4-8. Development of a Deployable Film Type Radiator by Oguma, Enya, et al	59
Summary	59
Introduction	59
Analysis	61
Conclusions	65
Acknowledgements	65
References	65
5-6. Transient Characteristics of a Gas-loaded Liquid Metal Heat Pipe with a Long Adiabatic Section by Ponnappan, BOehman & Mahefkey	67
Summary	67
Introduction	67
Experimental Work	68
Test Article	68
Test Setup	71
Test Procedure	71
Experimental Uncertainty	72
Results and Discussion	72
Heat Losses and Calorimetry	72
Vacuum Mode Test Results	72
Gas-loaded Mode Test Results	73
Steady State	73
Transient State	75
Hot Zone Temperature and Length Variation	77
Comparison of Liquid State and Frozen State Startup	79
Conclusions	79
Acknowledgements	82
References	82
7-5. A Space-based Combined Thermophotovoltaic Electric Generator and Gas Laser Solar Energy Conversion System by Oktay Yesil	83
Summary	83
1. General Introduction	83
2. Solar-Electric Thermophotovoltaic (TPV) Systems	85
2.1 Introduction	85
2.2 Description of the Solar-Electric TPV System Model	86
3. Solar-powered Gas Lasers	88
3.1 Introduction	88
3.2 Theory of Blackbody-pumped CO2 Laser Mixtures	90
3.3 Gain Measurement and Discussion	92
4. Conclusions and Recommendations	95
Acknowledgements	95
References	95
9-3. Galileo and Ulysses Missions Safety Analysis and Launch Readiness Status by Cork & Turi	99
Summary	99
Introduction	99
Galileo Mission	100
Ulysses Mission	103
Radioisotope Thermoelectric Generator (RTG) and Radioisotope Heater Unit (RHU) Descriptions	104
RTG History	104
RTG Design Characteristics	105
RTG Component Characte	106
Design Verification	108
Radioisotope Heater Unit (RHU)	108
Alternatives	108
Safety Analysis Process	109
Mission Phases	111
Environments	112
Safety Tests	112
Mission Status Summary	116
Acknowledgements	116
References	116
Contents and Author Index Volume 8, 1989	117
Volume 8 Numbers 1/2 1989	118
Volume 8 Number 3 1989	118
Volume 8 Number 4 1989	119
Index to Authors	120
Back Cover Contents	122

RkJQdWJsaXNoZXIy MTU5NjU0Mg==