Test stand performance of a convertible engine for advanced V/STOL and rotorcraft propulsion [PDF]
A variable inlet guide vane (VIGV) convertible engine that could be used to power future high-speed V/STOL and rotorcraft was tested on an outdoor stand.
Mcardle, Jack G.
core +1 more source
Data-driven analysis and new findings on the loss of tail rotor effectiveness in helicopter accidents. [PDF]
Sci Rep, 2022 Saleh JH +5 more
europepmc +1 more source
Outdoor test stand performance of a convertible engine with variable inlet guide vanes for advanced rotorcraft propulsion [PDF]
A variable inlet guide van (VIGV) type convertible engine that could be used to power future high-speed rotorcraft was tested on an outdoor stand. The engine ran stably and smoothly in the turbofan, turboshaft, and dual (combined fan and shaft) power ...
Mcardle, Jack G.
core +1 more source
Авіаційно-космічна техніка та технологіяAt present, the concept of an on-board self-tuning model has been formed and successfully developed by many scientific schools, and it provides real-time determination of parameters of the working process of engines, which are not measured.
Sergiy Yepifanov, Oleksii Bondarenko
doaj +1 more source
Comparison of predicted engine core noise with proposed FAA helicopter noise certification requirements [PDF]
Calculated engine core noise levels, based on NASA-Lewis prediction procedures, for five representative helicopter engines are compared with measured total helicopter noise levels and proposed FAA helicopter noise certification requirements.
Groesbeck, D. E., Vonglahn, U.
core +1 more source
Mathematical modeling and control of a tilt-rotor aircraft
, 2015 This paper presents a novel model of large-size tilt-rotor aircraft, which can operate as a helicopter as well as being capable of transition to fixed-wing flight.
Cai, Lilong, Wang, Xinhua
core +2 more sources
Helicopter Inside Cabin Acoustic Evaluation: A Case Study-IAR PUMA 330. [PDF]
Int J Environ Res Public Health, 2021 Deaconu M +3 more
europepmc +1 more source
The convertible engine: A dual-mode propulsion system [PDF]
A variable inlet guide vane (VIGV) convertible engine that could be used to power future high-speed rotorcraft was tested on an outdoor stand. The engine ran stably and smoothly in the turbofan, turboshaft, and dual (combined fan and shaft) power modes ...
Mcardle, Jack G.
core +1 more source
Conceptual design and optimization of a sustainable and environmentally friendly archetypal helicopter within the selection criteria and limitations. [PDF]
Heliyon, 2023 Gunaltili E +6 more
europepmc +1 more source
Rotorcraft flight-propulsion control integration: An eclectic design concept [PDF]
The NASA Ames and Lewis Research Centers, in conjunction with the Army Research and Technology Laboratories, have initiated and partially completed a joint research program focused on improving the performance, maneuverability, and operating ...
Ballin, Mark G. +2 more
core +1 more source