2015-10-292015-10-292015-07-12ICES-2015-064http://hdl.handle.net/2346/64460Bellevue, WashingtonTra-My Justine Richardson, Wyle/Logyx LLC., USADarrell Jan, NASA Ames Research Center, USAJohn Hogan, NASA Ames Research Center, USAGary Palmer, NASA Ames Research Center, USABrian Koss, NASA Ames Research Center, USAJason Samson, NASA Ames Research Center, USARoger Huang, Wyle, NASA Ames Research Center, USAJames Knox, NASA Space Flight Center, USAThe 45th International Conference on Environmental Systems was held in Bellevue, Washington, USA on 12 July 2015 through 16 July 2015.The Carbon Dioxide Removal and Compression System (CRCS) is designed to perform both the Carbon Dioxide (CO2) removal function of the four-bed molecular sieve (4BMS) system currently employed on the International Space Station (ISS), as well as additional integrated ability to thermally compress CO2 to supply downstream CO2 recovery units. The CRCS approach will reduce cost and improve reliability for future long-duration missions. This paper describes progress in CRCS development over the past year. Performances of the bulk air dryer (BAD) and residual air dryer (RAD) have been previously reported. A single unit of the 2-Stage compressor was assembled and tested for development performance. Data from those tests was used in the assembly of a second unit and integration into a two-unit system.application/pdfengPresentation