Results 1 to 10 of about 55,534 (120)
Methods for Attenuation of Helicopter [PDF]
فناوری در مهندسی هوافضا, 2023 Helicopters can be a source of loud noise. The high production noise of helicopters makes them unsuitable for densely populated areas, especially in low-flying conditions.
Hamid Parhizkar +2 more
doaj +1 more source
Computational studies of the rotors aerodynamic characteristics of multirotor drones
Научный вестник МГТУ ГА, 2021 The article presents the results of computational studies of aerodynamic characteristics for unmanned lift-generating multi-rotor drones of various configurations. The distinctive features of rotors flow were characterized.
K. G. Kosushkin +2 more
doaj +1 more source
Determination of loads in the ultralight helicopter blades
Aviation, 2023 The article describes research that was carried out on coaxial a single-seat ultralight helicopter Rotorschmiede VA-115 which is manufactured by German firm RS Helikopter GmbH.
Vitaly Dudnik
doaj +1 more source
Научный вестник МГТУ ГА, 2022 The article examines a method of obtaining the required initial data for adequate mathematical modelling of nonstationary processes in the Mi-8MTV helicopter computer and flight simulators. The principle of the method is as follows: the video fixation of
P. N. Rybkin, Yu. M. Сhinynchin
doaj +1 more source
Main Rotor Wake Interference Effects on Tail Rotor Thrust in Crosswind
International Journal of Aerospace Engineering, 2021 Reverse pedal operational property in front crosswind flight condition is a potential hazard for accidents involving loss of tail rotor effectiveness (LTE), which is closely related to the main rotor (MR) wake interference on the tail rotor (TR).
Chang Wang +4 more
doaj +1 more source
THE EFFECT OF DIFFERENT OPTIONS OF BLADES MAIN ROTOR ON THE X-SHAPED TAIL ROTOR OF THE MI-171 LL
Научный вестник МГТУ ГА, 2018 This paper describes the effect of different rotor blades on the X-shaped tail rotor of the Mi-171 LL, observed conducting flight tests. The tests were carried out on the same helicopter in the similar atmospheric conditions.The objective of the tests ...
V. A. Ivchin +2 more
doaj +1 more source
Авіаційно-космічна техніка та технологія, 2021 Under certain conditions of a helicopter flight, the main rotor can exert a rather strong effect on the tail rotor, changing its traction and power characteristics.
Михайло Юрійович Кибальний +3 more
doaj +1 more source
Научный вестник МГТУ ГА, 2018 The efficiency of the helicopter main rotor in the hover mode is very important, because this mode essentially determines the performance characteristics of the helicopter.
Y. M. Ignatkin +2 more
doaj +1 more source
Configuration Study of Electric Helicopters for Urban Air Mobility
Aerospace, 2021 There is currently interest in the design of small electric vertical take-off and landing aircraft to alleviate ground traffic and congestion in major urban areas.
Julia A. Cole +4 more
doaj +1 more source
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2016 The paper deals with the non-contact method of monitoring the integrity of the main rotor blades of a helicopter. The available methods of monitoring the integrity of the main rotor blades of the helicopter are labor-intensive to implement, their ...
A. I. Danilin, S. V. Zhukov, M. S. Popov
doaj +1 more source