Helicopter noise regulations: An industry perspective [PDF]
A review of helicopter noise measurement programs and noise reduction/economic studies of FAA is given along with a critique of a study which addresses the economic impact of noise reduction on helicopter noise.
Wagner, R. A.
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Helicopter Turboshaft Engine Emission Estimation Based on Standard Flight Profile [PDF]
Challenges to national defence in contemporary geopolitical situation, 2020 József TÓTH +2 more
openaire +1 more source
System-of-Systems Considerations in the Notional Development of a Metropolitan Aerial Transportation System [PDF]
There are substantial future challenges related to sustaining and improving efficient, cost-effective, and environmentally friendly transportation options for urban regions.
Alonso, Juan J. +5 more
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Maintenance and inspection as risk factors in helicopter accidents: Analysis and recommendations. [PDF]
PLoS One, 2019 Saleh JH +3 more
europepmc +1 more source
A Review of Engine Seal Performance and Requirements for Current and Future Army Engine Platforms [PDF]
Sand ingestion continues to impact combat ground and air vehicles in military operations in the Middle East. The T-700 engine used in Apache and Blackhawk helicopters has been subjected to increased overhauls due to sand and dust ingestion during desert ...
Delgado, Irebert R. +1 more
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A review of NASA's propulsion programs for aviation [PDF]
A review of five NASA engine-oriented propulsion programs of major importance to civil aviation are presented and discussed. Included are programs directed at exploring propulsion system concepts for (1) energy conservation subsonic aircraft (improved ...
Johnson, H. W. +2 more
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Rotorcraft convertible engine study [PDF]
The objective of the Rotorcraft Convertible Engine Study was to define future research and technology effort required for commercial development by 1988 of convertible fan/shaft gas turbine engines for unconventional rotorcraft transports. Two rotorcraft
Earle, R. V., Gill, J. C., Mar, H. M.
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Source Apportionment of Airborne Dioxins, Furans, and Polycyclic Aromatic Hydrocarbons at a United States Forward Operating Air Base During the Iraq War. [PDF]
J Occup Environ Med, 2016 Masiol M +4 more
europepmc +1 more source
Future directions in aeropropulsion technology [PDF]
Future directions in aeropropulsion technology that have been identified in a series of studies recently sponsored by the U.S. Government are discussed.
Glassman, A. J., Saunders, N. T.
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Aircraft engine exhaust emissions and other airport-related contributions to ambient air pollution: A review. [PDF]
Atmos Environ (1994), 2014 Masiol M, Harrison RM.
europepmc +1 more source