AGRC Research
Research areas include:
- Computational aeroacoustics
- Active control of noise using smart stuructures technology
- Prediction, measurement and validation of vibration and loads
- Activie/passive damping control of rotor systems
- Reconfigurable flight control system
- Repair of composite structures
- HUM: Fault detection and reconfiguration of rotorcraft transmission
- Computaional fluid dynamics for rotor wakes
- Rotor tip vortex formation and decay using 3-D LDV system
- Modeling of rotor wakes in manuevering flight
- Analysis and design of helicopter active control systems
- Methodology development for retor-head fault detection
- Aeromechanics analysis of trailing-edge flap rotors
- Refined modeling of coupled composite rotor
- Dynamic analysis of advanced tilt-rotor aircraft
AGRC Research Programs
I. Core Rotorcraft Program (RCOE: 1982- 2006)
- Aerodynamics
- Dynamics
- Flight Dynamics and Control
- CFD
- Acoustics
- Transmission and Drive Trains
- Smart and Composite Structures
- Air Traffic Control & Transportation Systems
- Advanced Designs including Heavy Lift Rotorcraft
- MAV/UAV
II. MURI: Micro Hovering Air Vehicles (2004-09)
III. Smart Structures Programs (URI, 2 MURI, DARPA)
- DARPA Galfenol Compact Actuator Development (2003-05)
- ARO, SBIR and STTR programs
- Navy-MURI on Galfenol actuators (06-11)
- More about Smart Structures
IV. DARPA: Helicopter Quieting Program (2004-08)
- Major Research Program
- Team: University of Maryland and Stanford University
- Objective: Develop next generation CFD-based Hybrid Unsteady
Simulation for Helicopters (HUSH) design capability to accurately and
efficiently model aerodynamic and acoustic phenomena - Tasks:
Task-1: High-Fidelity CFD Methodologies
Task-2: Multi-Disciplinary Coupling
Task-3: Validation - Key Features: Capturing of the unsteady flow phenomena including
wakes at required resolution with adaptive mesh placement
V. NASA 5 NRAs (2007-11)
VI. Other Rotorcraft Programs
- Navy: Coaxial rotor, JAHUM program
- Sikorsky/UTRC: Composite Rotor, Swashplateless rotor
- Bell: Quad-Rotor Studies, Acoustics Management
- NASA: CFD, Trailing-edge Flap System
Research Accomplishments
AGRC Future Directions
- Expand & nurture core rotorcraft program
- Maintain balance between theory & expt.
- Tackle barrier problems systematically - Expand micro air vehicle program
- flapping and rotary-wing - Brownout/whiteout: comprehensive program
- Exploit advanced CFD methodology
- All electric/hybrid rotorcraft: Basic studies
Projects | AGRC History | Technology Transfers | Example1 | Example2 | Example3
