Research Output per year
Research Output 2007 2019
2016
3
Citations
(Scopus)
Helicopter non-unique trim strategies for blade-vortex interaction (BVI) noise reduction
Malpica, C., Greenwood, E. & Sim, B. W., Jan 1 2016, American Helicopter Society International - AHS Specialists' Conference on Aeromechanics Design for Vertical Lift 2016. American Helicopter Society International, p. 485-493 9 p. (American Helicopter Society International - AHS Specialists' Conference on Aeromechanics Design for Vertical Lift 2016).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Noise abatement
Helicopters
Vortex flow
Fuselages
Acoustics
6
Citations
(Scopus)
Measurement and characterization of helicopter noise at different altitudes
Watts, M. E., Greenwood, E. & Stephenson, J. H., Jan 1 2016, 72nd American Helicopter Society International Annual Forum 2016: Leveraging Emerging Technologies for Future Capabilities. American Helicopter Society, p. 19-33 15 p. (Annual Forum Proceedings - AHS International; vol. 1).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Helicopters
Acoustics
Sea level
Acoustic noise
Mach number
1
Citation
(Scopus)
Parametric investigation of the effect of hub pitching moment on blade vortex interaction (BVI) noise of an isolated rotor
Malpica, C., Greenwood, E. & Sim, B., Jan 1 2016, 72nd American Helicopter Society International Annual Forum 2016: Leveraging Emerging Technologies for Future Capabilities. American Helicopter Society, p. 188-201 14 p. (Annual Forum Proceedings - AHS International; vol. 1).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Vortex flow
Rotors
Fuselages
Aerodynamics
Acoustics
3
Citations
(Scopus)
The effects of ambient conditions on helicopter harmonic noise radiation: Theory and experiment
Greenwood, E., Sim, B. W. & Douglas Boyd, D., Jan 1 2016, 72nd American Helicopter Society International Annual Forum 2016: Leveraging Emerging Technologies for Future Capabilities. American Helicopter Society, p. 1-18 18 p. (Annual Forum Proceedings - AHS International; vol. 1).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Helicopters
Radiation
Sea level
Rotors
Experiments
2013
3
Citations
(Scopus)
The effects of crosswind flight on rotor harmonic noise radiation
Greenwood, E. & Sim, B. W., Sep 9 2013, 69th American Helicopter Society International Annual Forum 2013. p. 1414-1426 13 p. (Annual Forum Proceedings - AHS International; vol. 2).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Helicopters
Rotors
Radiation
Flight paths
Vortex flow
2012
9
Citations
(Scopus)
A semi-empirical noise modeling method for helicopter maneuvering flight operations
Greenwood, E., Schmitz, F. H. & Sickenberger, R. D., Aug 16 2012, 68th American Helicopter Society International Annual Forum 2012. p. 55-72 18 p. (Annual Forum Proceedings - AHS International; vol. 1).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Helicopters
Acoustics
Acoustic noise
Vortex flow
Wind tunnels
8
Citations
(Scopus)
Maneuver acoustic flight test of the Bell 430 Helicopter
Watts, M. E., Snider, R., Greenwood, E. & Baden, J., Aug 16 2012, 68th American Helicopter Society International Annual Forum 2012. p. 24-40 17 p. (Annual Forum Proceedings - AHS International; vol. 1).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Helicopters
Acoustics
Aircraft
Microphones
Acoustic noise
2011
3
Citations
(Scopus)
The effects of ambient conditions on helicopter rotor source noise modeling
Greenwood, E. & Schmitz, F. H., Jul 28 2011, 67th American Helicopter Society International Annual Forum 2011. p. 47-65 19 p. (Annual Forum Proceedings - AHS International; vol. 1).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Helicopter rotors
Helicopters
Acoustics
Acoustic wave velocity
Vortex flow
2009
10
Citations
(Scopus)
Separation of main and tail rotor noise sources from ground-based acoustic measurements using time-domain de-Dopplerization
Greenwood, E. & Schmitz, F. H., Dec 1 2009, 35th European Rotorcraft Forum 2009, ERF 2009. p. 101-112 12 p. (35th European Rotorcraft Forum 2009, ERF 2009; vol. 1).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Time measurement
Acoustic noise
Microphones
Rotors
Acoustics
2007
5
Citations
(Scopus)
Helicopter external noise radiation in turning flight: Theory and experiment
Greenwood, E., Schmitz, F. H., Gopalan, G. & Sim, B. W. C., Dec 1 2007, AHS International 63rd Annual Forum - Proceedings - Riding the Wave of New Vertical Flight Technology. p. 1867-1888 22 p. (Annual Forum Proceedings - AHS International; vol. 3).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Helicopters
Microphones
Radiation
Experiments
Flight paths
14
Citations
(Scopus)
Measurement and characterization of helicopter noise in steady-state and maneuvering flight
Schmitz, F. H., Greenwood, E., Sickenberger, R. D., Gopalan, G., Sim, B. W. C., Conner, D., Moralez, E. & Decker, W. A., Dec 1 2007, AHS International 63rd Annual Forum - Proceedings - Riding the Wave of New Vertical Flight Technology. p. 1974-1990 17 p. (Annual Forum Proceedings - AHS International; vol. 3).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Helicopters
Microphones
Acoustics
Flight paths
Global positioning system