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CEE_Final - Civil and Environmental Engineering Team Lunar...

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Civil and Environmental Engineering Team Lunar Base Water Purification Program University of California, Berkeley Berkeley, California 94510 December 2, 2009 Professor Slav W. Hermanowicz NASA Headquarters 300 East Street SW Washington DC 20024-3210 Subject: Lunar Base Water System Dear Professor Hermanowicz: In response to your request of October 12, 2009, our team of Berkeley engineers has successfully analyzed the water supply system in the lunar base. We are pleased to present the report, which gives the full technical details necessary of the system. We have first investigated the hypothetical water usage by the crew of 150 astronauts. From there, we have deduced the initial amount of water necessary to be carried to the moon and the costs of doing so. Using the data, the engineering team obtained the water consumption rate for one day, and finally, the essential tank size. Since water is limited in outer space, we have designed a special water recycling system for a prolonged usage of water. The team would like to especially thank Kayla Patten for her expert knowledge regarding recirculation of water and material science. If you have further questions regarding the report, please do not hesitate to contact the engineering team at 510) 283-1232 ([email protected]). Thank you for your time. Sincerely, Yang Xia Elysia Liaw Jin Woo Roh Encl.: Lunar Base Water System Technical Report
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Lunar Base Water Supply System Prepared for: Professor Slav W. Hermanowicz, Chief Project Officer Prepared by: Yang Xia, Elysia Liaw, Jin Woo Roh, Civil & Environmental Engineering Team December 2 nd , 2009
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Table of Contents 1 . Executive Summary 2 . Technical Report i. Introduction ii. Water Supply and Total Cost iii. Water Storage and Flow Rate iv. Pressure and Head Loss v. UV Disinfection vi. Final Design of Water System 3 . Table of Design Criteria 4 . Reference 5 . Appendices
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Executive Summary Our mission was to analyze the water supply system for the lunar base in which will live 150 people. We have decided that it would be necessary to have two water tanks, one for clean water supply and the other one to collect used water. To minimize the cost of bringing water to the Moon, used water would have to be recycled for reuse. After research and careful analysis, we have decided that each water tank would have a capacity of 6600 liters and a steady flow rate of 1000 liters per hour. We chose concrete as the material of the water pipe connecting the tanks. The water pipe would have a diameter of 2.54 cm and a length of 100m. A UV lamp disinfection system would be used to terminate the microorganisms in the water, and we have decided the outer case of the system would have a radius of 24 cm.
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Technical Report Introduction On October 12, 2009, the National Aeronautics and Space Administration (NASA) secretly disclosed an ambitious project to our Civil and Environmental Engineering Department located at University of California, Berkeley. The NASA planed to create a lunar base for the advancement of humanity; yet they were faced with challenges that required our assistance. One major constraint on the space mission is the availability of water. Unlike Earth, the lunar base is
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