GREEN propellant infusion mission to test AFRL-developed green propellant
by Staff Writers
Edwards AFB CA (SPX) Jun 24, 2019
NASA's Space Technology Mission Directorate, along with co-investigators, including the Air Force Research Laboratory, Ball Aerospace, SpaceX, the Space and Missile Systems Center, and Aerojet, are scheduled to launch Ball's Green Propellant Infusion Mission (GPIM) spacecraft, enabling the first ever on-orbit demonstration of the AFRL developed ASCENT (Advanced Spacecraft Energetic Non-toxic Propellant) green propellant on orbit.
The GPIM spacecraft is scheduled for launch June 24 from launch site LC-39A at Kennedy Space Center, Florida, with the launch window opening at 11:30 p.m. Eastern as part of the Department of Defense Space Test Program-2 (STP-2) mission on a SpaceX Falcon Heavy launch vehicle.
Space demonstration of this new propellant, ASCENT, formerly known as AF-M315E, marks a major milestone in a national effort to develop new energetic propellants to replace hydrazine, the current established chemical propellant of choice for nearly all current satellite propulsion.
Not only is ASCENT 50 percent higher performing than hydrazine, but it is also a vastly safer alternative, allowing for streamlined ground operations relative to legacy propellants.
While hydrazine is flammable, toxic, and requires use of Self Contained Atmospheric Protective Ensemble (SCAPE) suits for handling operations, ASCENT propellant requires minimal Personal Protective Equipment (PPE) such as a lab coat and a splash guard for the face.
"The demonstration of a revolutionary green propellant for spacecraft propulsion is critical as we move toward space operations being the new normal," said Dr. Shawn Phillips, chief of AFRL's Rocket Propulsion Division.
The origins of ASCENT began over 20 years ago in AFRL at Edwards AFB, California, in conjunction with the U.S. Air Force Academy (USAFA) who pioneered exploration of Ionic Liquid-based energetic propellants with vastly superior handling properties and improved performance relative to hydrazine.
After $30 million in AFRL R and D investments to mature this technology from conception to space-rated thruster systems, the GPIM mission will demonstrate the maturity of this technology for use on both commercial and DOD space assets.
While ASCENT delivers present-day breakthrough reductions in ground operations cost/schedule and improved on-orbit performance, it is only the beginning of a renaissance in spacecraft propulsion emerging from propellant R and D efforts at AFRL.
Also part of the Department of Defense Space Test Program-2 (STP-2) mission will be AFRL's Demonstration and Science Experiments (DSX) spacecraft, which will conduct research to advance DOD's understanding of the Van Allen radiation belts and the affect they have on spacecraft components.
DSX's elliptical path in medium Earth orbit (MEO) will provide an increased understanding of this orbital regime, which will enhance the nation's capability to field resilient space systems.
NASA Spacecraft to use 'Green' Fuel for the First Time
Edwards AFB CA (SPX) Jun 11, 2019
A non-toxic, rose-colored liquid could fuel the future in space and propel missions to the Moon or other worlds. NASA will test the fuel and compatible propulsion system in space for the first time with the Green Propellant Infusion Mission (GPIM), set to launch this month on a SpaceX Falcon Heavy rocket. The mission will demonstrate the exceptional features of a high-performance "green" fuel developed by the Air Force Research Laboratory (AFRL) at Edwards Air Force Base in California. The propell ... read more
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