Location

Howard Johnson Plaza-Hotel, Atlantis/ Discovery Rooms

Start Date

24-4-1990 2:00 PM

End Date

24-4-1990 5:00 PM

Description

During the Advanced Spacecraft Feed System Study, conducted by the McDonnell Douglas Astronautics Company (MDAC) under contract to the Astronautics Laboratory - Air Force Systems Command (AL/AFSC), several key fluid system components were developed for potential application to a new generation of highly reliable, storable propellant spacecraft. These components demonstrated the capability to electronically control the pressurization schedule in the propellant feed tanks, to accurately gauge the available on board propellants, and to reliably track the propellant usage throughout the mission. In comparison with conventional mechanical regulators and capacitance type propellant gaging systems, they afford lower system cost and weight. When integrated with an attitude control system (ACS) tank designed for unlimited replenishment from main engine propellant tanks, overall system operatibility, on-orbit life, maintainability, and flexibility can be significantly enhanced.

Comments

DOD Research and Development

Session Chairman: M. T. Runkle, USAF, GPS Program

Session Organizer: Gary Spirnak, USAF, 6555th Aerospace Test Group, CCAFS, FL

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Apr 24th, 2:00 PM Apr 24th, 5:00 PM

Paper Session I-A - Advanced Liquid Feed Experiment (ALFE)

Howard Johnson Plaza-Hotel, Atlantis/ Discovery Rooms

During the Advanced Spacecraft Feed System Study, conducted by the McDonnell Douglas Astronautics Company (MDAC) under contract to the Astronautics Laboratory - Air Force Systems Command (AL/AFSC), several key fluid system components were developed for potential application to a new generation of highly reliable, storable propellant spacecraft. These components demonstrated the capability to electronically control the pressurization schedule in the propellant feed tanks, to accurately gauge the available on board propellants, and to reliably track the propellant usage throughout the mission. In comparison with conventional mechanical regulators and capacitance type propellant gaging systems, they afford lower system cost and weight. When integrated with an attitude control system (ACS) tank designed for unlimited replenishment from main engine propellant tanks, overall system operatibility, on-orbit life, maintainability, and flexibility can be significantly enhanced.

 

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