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Project Destiny: Habitats and Food, part 1

8 May 2017, 16:24 UTC
Project Destiny: Habitats and Food, part 1
(200 words excerpt, click title or image to see full post)

This is a topic post referring to Purdue University's project Destiny.Here is my introductory post for the series.The subject is section 7, Mars habitats. By necessity, section 8 (Food Production) is also discussed.Due to the broad scope of this section, I've broken it into three separate posts. This post discusses life support.Part 2 discusses the actual structures and habitable volume. Headline results: $265.52 billion in savings (74.5%) by using industrial equipment instead of legacy ISS hardware. By using an integrated biological life support system with advanced air composition management, nutrient cycles are almost completely closed and a straightforward route for makeup mass is available from Martian resources.Details after the jump.Life Support The baseline plan is to use advanced life support systems with projected cost, performance and other characteristics from NASA references. Significant amounts of resources like water and nitrogen are discarded due to process inefficiencies. The plan has a relatively high level of technical development already completed and thus is fairly low risk, but it also has a significant ongoing resupply requirement from Earth. To make this clear, habitation is estimated to run $177 billion over the project, and life support system costs are $176.3 billion of that (99.6%). Likewise, ...

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