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
core +1 more source
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
Design description of a microprocessor based Engine Monitoring and Control unit (EMAC) for small turboshaft [PDF]
Research programs have demonstrated that digital electronic controls are more suitable for advanced aircraft/rotorcraft turbine engine systems than hydromechanical controls.
Baez, A. N.
core +1 more source
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
A Survey of Current Rotorcraft Propulsion Health Monitoring Technologies [PDF]
A brief review is presented on the state-of-the-art in rotorcraft engine health monitoring technologies including summaries on current practices in the area of sensors, data acquisition, monitoring and analysis.
Delgado, Irebert R. +2 more
core +1 more source
Spying with a pilot's eye: Using eye tracking to investigate pilots' attention allocation and workload during helicopter autorotative gliding. [PDF]
HeliyonCheng L, Shen YC, He Q, Zhang MJ.
europepmc +1 more source
Review of the transmissions of the Soviet helicopters [PDF]
A review of the following aspects of Soviet helicopter transmissions is presented: transmitted power, weight, reduction ratio, RPM, design configuration, comparison of different type of manufacturing methods, and a description of the materials and ...
Chaiko, Lev I.
core +1 more source
Historical overview of V/STOL aircraft technology [PDF]
The requirements for satisfactory characteristics in several key technology areas are discussed and a review is made of various V/STOL aircraft for the purpose of assessing the success or failure of each design in meeting design requirements.
Anderson, S. B.
core +1 more source
Rotorcraft contingency power study [PDF]
Twin helicopter engines are often sized by the power requirement of a safe mission completion after the failure of one of the two engines. This study was undertaken for NASA Lewis by General Electric Co.
Davis, R. H. +3 more
core +1 more source
NASA Quiet Clean General Aviation Turbofan (QCGAT) program status [PDF]
The suitability of large engine technology to reduce noise, emissions, and fuel consumption of small turbine engines and develop new technology where required is determined.
Bresnahan, D. L., Sievers, G. K.
core +1 more source