THE EXPANSION OF HUMAN DEEP SPACE EXPLORATION CAPABILITIES REQUIRES THE CONTINUED ADVANCEMENT OF MORE ENERGETIC IN-SPACE PROPULSION SYSTEMS FROM CURRENT CHEMICAL ENGINES TO NUCLEAR THERMAL ROCKETS TO FUTURE HIGH ENERGY CONCEPTS SUCH AS NUCLEAR FUSION. AS NASA EMBARKS ON A PROGRAM TO DEVELOP NEAR-TERM NUCLEAR THERMAL PROPULSION WE PROPOSED TO EVALUATE THE FEASIBILITY OF AN INNOVATIVE NEW APPROACH TOWARD HIGHLY ENERGETIC PULSED FUSION PROPULSION. PREVIOUS CONCEPT STUDIES HAVE INVESTIGATED THE CONVERSION OF FUSION ENERGY FOR IN-SPACE PROPULSION RANGING FROM THE PULSED ORION ROCKET USING SMALL NUCLEAR EXPLOSIONS IMPINGING ON A PUSHER PLATE TO THE LASER IGNITED FUSION SYSTEMS OF GEVALTIG AND VISTA TO THE BRITISH INTERPLANETARY SOCIETY S DAEDALUS CONCEPT AND ITS MORE RECENT INCARNATION UNDER PROJECT ICARUS. RECENT NIAC STUDIES HAVE ALSO EVALUATED SEVERAL INNOVATIVE FUSION CONCEPTS INCLUDING THE ACCELERATION AND COMPRESSION OF FRC PLASMAS IN TIME CHANGING MAGNETIC FIELDS MAGNETICALLY DRIVEN LINERS IMPLODING ONTO PLASMA TARGETS AND HIGH CURRENT Z-PINCH COMPRESSION OF MATERIAL LINERS ONTO FISSION-FUSION FUEL TARGETS.8 WHILE EACH OF THESE STUDIES FIRMLY ESTABLISHED THE POTENTIAL BENEFITS OF FUSION SYSTEMS FOR INTERPLANETARY TRAVEL THEY ALSO IDENTIFIED SIGNIFICANT CHALLENGES IN SUCCESSFULLY ENGINEERING SUCH SYSTEMS FOR SPACECRAFT PROPULSION. THE PROPOSED CONCEPT BUILDS ON THE LESSONS LEARNED FROM THESE PRIOR CONCEPTS APPROACHING THE QUEST FOR FUSION POWERED PROPULSION THROUGH AN INNOVATIVE VARIATION OF MAGNETO-INERTIAL FUSION CONCEPTS DEVELOPED FOR TERRESTRIAL POWER APPLICATIONS.
$14,188FY2017National Aeronautics and Space AdministrationNASA
Ohio Aerospace Institute