NASA Technical Reports Server (NTRS) : Development pdf

NASA Technical Reports Server (NTRS) : Development

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Applied research, engineering development, and performance evaluation were conducted on a process for formation of dense carbon by pyrolysis of methane. Experimental research showed that dense (0.7 to 1.6 g/cc bulk density and 1.6 to 2.2 g/cc solid density) carbon can be produced by methane pyrolysis in quartzwool-packed quartz tubes at temperatrues of 1100 to 1300 C. This result supports the condensation theory of pyrolytic carbon formation from gaseous hydrocarbons. A full-scale Breadboard Carbon Formation Reactor (CFR) was designed, fabricated, and tested at 1100 to 1200 C with 380 to 2280 sccm input flows of methane. Single-pass conversion of methane to carbon ranged from 60 to 100 percent, with 89 percent average conversion. Performance was projected for an Advanced Carbon Reactor Subsystem (ACRS) which indicated that the ACRS is a viable option for management of metabolic carbon on long-duration space missions

• Creator/s: NASA Technical Reports Server (NTRS
• Date: 9/1/1985
• Year: 1985
• Book Topics/Themes: NASA Technical Reports Server (NTRS), CARBON, CARBON DIOXIDE, METHANE, PIPES (TUBES), PYROLYSIS, QUARTZ, BREADBOARD MODELS, CHEMICAL REACTORS, LONG DURATION SPACE FLIGHT, PROCESS CONTROL (INDUSTRY), Noyes, G

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