Photo of Eric Greenwood

Eric Greenwood

Assistant Professor

Affiliation(s):

  • Aerospace Engineering

229 Hammond Building

eric.greenwood@psu.edu

814-863-9712

Research Areas:

 
 

 

Education

  • BS, Mechanical Engineering, Rochester Institute of Technology, 2005
  • MS, Aerospace Engineering, University of Maryland, 2008
  • Ph D, Aerospace Engineering, University of Maryland, 2011

Publications

Journal Articles

  • Eric Greenwood and Robert F Rau, 2020, "A Maneuvering Flight Model for Helicopter Mission Planning", Journal of the American Helicopter Society
  • Eric Greenwood and Ben W Sim, 2018, "Effects of Crosswind Flight on Rotor Harmonic Noise Radiation", Journal of Aircraft, 55, (5), pp. 2137-2148
  • Eric Greenwood and Fredric H Schmitz, 2018, "A Parameter Identification Method for Helicopter Noise Source Identification and Physics-Based Semiempirical Modeling", Journal of the American Helicopter Society, 63, (3), pp. 1414-1426
  • Eric Greenwood, Fredric H Schmitz and Richard D Sickenberger, 2015, "A Semiempirical Noise Modeling Method for Helicopter Maneuvering Flight Operations", Journal of the American Helicopter Society, 60, (2), pp. 1-13
  • James H Stephenson, Charles Tinney, Eric Greenwood and Michael E Watts, 2014, "Time frequency analysis of sound from a maneuvering rotorcraft", Journal of Sound and Vibration, 333, (21), pp. 5324-5339
  • Eric Greenwood and Fredric H Schmitz, 2014, "Separation of Main and Tail Rotor Noise from Ground-Based Acoustic Measurements", Journal of Aircraft
  • Eric Greenwood and Fredric H. Schmitz, 2014, "Effects of Ambient Conditions on Helicopter Rotor Source Noise Modeling", Journal of Aircraft, 51, (1), pp. 90-103

Conference Proceedings

  • Eric Greenwood, 2019, "Dynamic replanning of low noise rotorcraft operations"
  • Andrew Christian, Jarrett Caston and Eric Greenwood, 2019, "Regarding the perceptual significance and characterization of broadband components of helicopter source noise"
  • Eric Greenwood, 2018, "Estimating helicopter noise abatement information with machine learning", 2018-May
  • Eric Greenwood, 2017, "Helicopter flight procedures for community noise reduction", pp. 1-14
  • Michael E Watts, Eric Greenwood and James H Stephenson, 2016, "Measurement and characterization of helicopter noise at different altitudes", 1, pp. 19-33
  • Carlos Malpica, Eric Greenwood and Ben W Sim, 2016, "Parametric investigation of the effect of hub pitching moment on blade vortex interaction (BVI) noise of an isolated rotor", 1, pp. 188-201
  • Eric Greenwood, Ben W Sim and D Douglas Boyd, 2016, "The effects of ambient conditions on helicopter harmonic noise radiation: Theory and experiment", 1, pp. 1-18
  • Carlos A Malpica, Eric Greenwood and Ben W Sim, 2016, "Helicopter non-unique trim strategies for blade-vortex interaction (BVI) noise reduction", pp. 485-493
  • Eric Greenwood, Robert Rau, Benjamin May and Christopher Hobbs, 2015, "A maneuvering flight noise model for helicopter mission planning", 1, (January), pp. 57-66
  • James H Stephenson and Eric Greenwood, 2015, "Effects of vehicle weight and true versus indicated airspeed on BVI noise during steady descending flight", 1, (January), pp. 47-56
  • Eric Greenwood and Ben W. Sim, 2013, "The effects of crosswind flight on rotor harmonic noise radiation", 2, pp. 1414-1426
  • Eric Greenwood, Fredric H. Schmitz and Richard D. Sickenberger, 2012, "A semi-empirical noise modeling method for helicopter maneuvering flight operations", 1, pp. 55-72
  • Michael E. Watts, Royce Snider, Eric Greenwood and Joel Baden, 2012, "Maneuver acoustic flight test of the Bell 430 Helicopter", 1, pp. 24-40
  • Eric Greenwood and Fredric H. Schmitz, 2011, "The effects of ambient conditions on helicopter rotor source noise modeling", 1, pp. 47-65
  • Eric Greenwood and Fredric H. Schmitz, 2010, "A parameter identification method for helicopter noise source identification and physics-based semi-empirical modeling", 3, pp. 1938-1953
  • Eric Greenwood and Fredric H. Schmitz, 2009, "Separation of main and tail rotor noise sources from ground-based acoustic measurements using time-domain de-Dopplerization", 1, pp. 101-112
  • Eric Greenwood, Fredric H. Schmitz, Gaurav Gopalan and Ben Wel-C Sim, 2007, "Helicopter external noise radiation in turning flight: Theory and experiment", 3, pp. 1867-1888
  • Fredric H. Schmitz, Eric Greenwood, Richard D. Sickenberger, Gaurav Gopalan, Ben Wel-C Sim, David Conner, Ernesto Moralez and William A. Decker, 2007, "Measurement and characterization of helicopter noise in steady-state and maneuvering flight", 3, pp. 1974-1990

Magazines/Trade Publications

Research Projects

Honors and Awards

  • Fran├žois-Xavier Bagnoud Award, Vertical Flight Society, May 2018
  • Early Career Achievement Medal, National Aeronautics and Space Administration, 2016

Service

Service to Penn State:

Service to External Organizations:

 


 

About

The Penn State Department of Aerospace Engineering, established in 1961 and the only aerospace engineering department in Pennsylvania, is consistently recognized as one of the top aerospace engineering departments in the nation, and is also an international leader in aerospace education, research, and engagement. Our undergraduate program is ranked 15th and our graduate programs are ranked 15th nationally by U.S. News & World Report, while one in 25 holders of a B.S. degree in aerospace engineering in the U.S. earned it from Penn State. Our students are consistently among the most highly recruited by industry, government, and graduate schools nationwide.

The department is built upon the fundamentals of academic integrity, innovation in research, and commitment to the advancement of industry. Through an innovative curriculum and world-class instruction that reflects current industry practice and embraces future trends, Penn State Aerospace Engineering graduates emerge as broadly educated, technically sound aerospace engineers who will become future leaders in a critical industry

Department of Aerospace Engineering

229 Hammond Building

The Pennsylvania State University

University Park, PA 16802

Phone: 814-865-2569