Browsing Graduate Theses by Subject "Aeronautics and Astronautics"
Now showing items 1-20 of 678
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3D turbine tip clearance flow redistribution due to gap variation
(Massachusetts Institute of Technology, 1991) -
Abort scenario feasibility for the manned Mars mission
(Massachusetts Institute of Technology, 1991) -
Accelerated tests of environmental degradation in composite materials
(Massachusetts Institute of Technology, 1998)High temperature polymer matrix composites are key candidates for the structural components of proposed supersonic transport aircraft. The operational environment of these vehicles exposes the airframe to harsh conditions, ... -
Accelerometer calibration of shuttle-based experiment packages
(Massachusetts Institute of Technology, 1991) -
Acoustic noise suppression for helicopter communication systems
(Massachusetts Institute of Technology, 1993) -
Active control of particulate contamination for a Leo spacecraft environment
(Massachusetts Institute of Technology, 1993) -
Active control of rotating stall in a transonic compressor stage with inlet distortion
(Massachusetts Institute of Technology, 1999)Rotating stall has been stabilized in a single-stage transonic axial flow compressor with inlet distortion using active feedback control. The experiments were conducted at the NASA Lewis Research Center on a single-stage ... -
Active microgravity vibration isolation using PVDF polymer piezoelectric actuators
(Massachusetts Institute of Technology, 1991) -
Active narrow band vibration isolation of machinery noise from resonant substructures
(Massachusetts Institute of Technology, 1990) -
Actuation for rotating stall control of high speed axial compressors
(Massachusetts Institute of Technology, 1995) -
Actuator and sensor design and modeling for structural acoustic control
(Massachusetts Institute of Technology, 1999)The use of a high-fidelity finite element model is investigated for the design and closed loop performance prediction of shaped and distributed sensors and actuators for structural acoustic control. Sensor and actuator ... -
Adaptation for vortex flows using a 3-D finite element solver
(Massachusetts Institute of Technology, 1991) -
Adaptation to a linear vection stimulus in a virtual reality environment
(Massachusetts Institute of Technology, 1999)In the zero-gravity environment of space, the vestibular system's functioning is compromised and astronauts receive conflicting visual and vestibular cues concerning body orientation and motion. Experiment 136 on the ... -
Adaptive finite element solutions of the steady Euler equations using a sensitivity approach
(Massachusetts Institute of Technology, 1997) -
The adaptive Kalman filter and micromechanical inertial instrument performance
(Massachusetts Institute of Technology, 1993) -
Adaptive loop sensitivity characteristics for a model reference adaptive control system
(Massachusetts Institute of Technology, 1961) -
Adaptive trajectory targeting within a 6-DOF simulation
(Massachusetts Institute of Technology, 1995) -
Advanced flexible wing technology assessment for the new strategic airlifter
(Massachusetts Institute of Technology, 1997) -
Advanced flexible wing technology assessment for transport applications
(Massachusetts Institute of Technology, 1996) -
Advanced techniques for flutter clearance
(Massachusetts Institute of Technology, 1997)