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complément du document aurora par david keith.pdf


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Supplemental Online Material: Cost Analysis of Stratospheric Albedo Modification

Table of Contents

1

Introduction .......................................................................................... 3
1.1 Introduction to This Study................................................................................ 3
1.2 Chemistry Considerations Affecting Dispersal ................................................ 4

2
3

Geoengineering Concept of Operations ............................................... 5
Basis for Cost Models .......................................................................... 7
3.1 RAND DAPCA IV Cost Estimating Relationships ............................................ 7
3.2 Assumptions and Cost Inputs........................................................................ 14
3.3 Comparable operating airlines ...................................................................... 16

4

Overview of Aircraft Design and Selection ......................................... 18
4.1 Altitude Capability: Aerodynamics ................................................................. 18
4.2 Altitude Capability: Propulsion....................................................................... 19

5

Analysis of Existing Aircraft and Results ............................................ 30
5.1
5.2
5.3
5.4
5.5

6

New Aircraft Design ........................................................................... 40
6.1
6.2
6.3
6.4

7

Assumptions specific to analysis of existing aircraft ...................................... 30
Choice of Platforms ....................................................................................... 31
Cost Estimates .............................................................................................. 32
Modifications to Existing Aircraft ................................................................... 34
Conclusions................................................................................................... 37
New Aircraft Assumptions ............................................................................. 42
Uncertainty Analysis ...................................................................................... 42
Cost Estimates .............................................................................................. 43
Conclusions................................................................................................... 45

Airships .............................................................................................. 47
7.1 Airship Design Considerations and Assumptions .......................................... 47
7.2 Cost Estimates .............................................................................................. 51
7.3 Conclusions................................................................................................... 53

8

Non-Aircraft Systems ......................................................................... 59
8.1 Rocket Powered Glider ................................................................................. 59
8.2 Guns ............................................................................................................. 61
8.3 Floating Platform with Slurry Pipe / Gas Pipe................................................ 65

9

Conclusions ....................................................................................... 72
9.1 Comparison of All Systems ........................................................................... 72
9.2 Recommendations for Future Work .............................................................. 76

10 Appendix ............................................................................................ 77
10.1 Basing Options .............................................................................................. 77
10.2 HLA Sizing Equations ................................................................................... 77
10.3 HLA Architecture Comparisons ..................................................................... 79
10.4 Existing HLA Hangars ................................................................................... 82

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