Results 81 to 90 of about 183,357 (179)

STUDY ON OPTIMAL CHARACTERISTICS OF TWO-BLADE ROTORS FOR COAXIAL HELICOPTER OF LIGHT TAKE-OFF WEIGHT

Advanced Engineering Research, 2012
The calculations of the rotor with various geometric and linkage parameters are resulted. The hovering coaxial rotor optimal characteristics for the agricultural version of the Byelorussian-Russian helicopter «Brat» are chosen.
Vitaly V. Dudnik, Vladimir A. Udovenko
doaj  

STUDY ON OPTIMAL CHARACTERISTICS OF TWO-BLADE ROTORS FOR COAXIAL HELICOPTER OF LIGHT TAKE-OFF WEIGHT

Вестник Донского государственного технического университета, 2018
The calculations of the rotor with various geometric and linkage parameters are resulted. The hovering coaxial rotor optimal characteristics for the agricultural version of the Byelorussian-Russian helicopter «Brat» are chosen.
Vitaly V. Dudnik, Vladimir A. Udovenko
doaj  

Aerodynamic optimization of a coaxial rotor system using a deep learning-based multi-fidelity surrogate model

Engineering Applications of Computational Fluid Mechanics
This paper introduces a multi-fidelity surrogate-based optimization framework that employs deep learning techniques for aerodynamic optimization of the X2TD coaxial rotor system in hover.
Shu-Hui Qin, Ai-Ming Yang
doaj   +1 more source

ROCK FORMATION MILLING, USING COAXIAL ROTORS

Литьë и металлургия, 2012
The article describes the known and suggests a fundamentally new arrangements of the rotor’s central cutters.
A. S. Konoplyanik, V. V. Romanenya
openaire   +1 more source

HELICOPTER ROTOR DESIGN

Journal of Industrial Design and Engineering Graphics, 2011
The objective of this paper is to analyze the role of helicopter rotor, to classify them by type, and to imagine new types of helicopter rotors that can equip future helicopters.
IONESCU Cristian Andrei
doaj  

The Development of Coaxial Rotor MAV

Journal of the Korean Society for Aeronautical & Space Sciences, 2007
openaire   +2 more sources

COAXIAL ROTOR SYSTEMS – CHARACTERISTICS AND PERFORMANCES

SCIENTIFIC RESEARCH AND EDUCATION IN THE AIR FORCE, 2018
Constantin ROTARU, Janel TANASE, Oliver CIUICA, Eduard MIHAI   +3 more
openaire   +1 more source

Coded Ultrasonic Ranging for the Distance Measurement of Coaxial Rotor Blades. [PDF]

Micromachines (Basel)
Lu Y, Qiu Z, Zhang S, Hu W, Qiu Y, Qiu Z.   +5 more
europepmc   +1 more source

Distance Measurement and Error Compensation of High-Speed Coaxial Rotor Blades Based on Coded Ultrasonic Ranging. [PDF]

Micromachines (Basel)
Lu Y, Zhang S, Hu W, Qiu Z, Qiu Z, Qiu Y.   +5 more
europepmc   +1 more source

Uncertainty Analysis of a Multi-Sensor Fusion Measurement Chain for Blade Collision Warning in Coaxial Twin-Rotor Helicopters. [PDF]

Sensors (Basel)
Zheng W, Qiu Z, Dong Z, Hu W, Qiu Y, Qiu Z.   +5 more
europepmc   +1 more source