Results 91 to 100 of about 10,614 (216)

Ultra high resolution stepper motors design, development, performance and application [PDF]

, 1979
The design and development of stepper motors with steps in the 10 arc sec to 2 arc min range is described. Some of the problem areas, e.g. rotor suspension, tribology aspects and environmental conditions are covered.
Moll, H., Roeckl, G.
core   +1 more source

In-place recalibration technique applied to a capacitance-type system for measuring rotor blade tip clearance [PDF]

The rotor blade tip clearance measurement system consists of a capacitance sensing probe with self contained tuning elements, a connecting coaxial cable, and remotely located electronics.
Barranger, J. P.
core   +1 more source

The Optimal Design and an Analysis of a Hybrid W-Shaped IPM Rotor of Coaxial Magnetic Gear

IEEE Access
This paper presents a hybrid, W-shaped interior permanent magnet (HWIPM) rotor of a coaxial magnetic gear (MG). To reduce the usage of rare-earth PM material, it proposes a topology of inner rotor in a MG with two types of PM materials.
Mohammad Amin Masoudi, Seyed Ahmadreza Afsari   +1 more
doaj   +1 more source

RATIONALE ARE COAXIAL ROTOR WITH ACTIVE BORER

Литьë и металлургия, 2012
The construction of the executive body passing harvester provides separate rotary drive jumper and internal drill, thus increasing line speeds for milling rock teeth.
openaire   +1 more source

Acoustic measurements of a full-scale coaxial hingeless rotor helicopter [PDF]

Acoustic data were obtained during a full-scale test of the XH-59A Advancing Blade Concept Technology Demonstrator in the 40- by 80-Foot Wind Tunnel. The XH-59A is a research helicopter with two coaxial rotors and hingeless blades. Performance, vibration,
Mosher, M., Peterson, R. L.
core   +1 more source

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  

Design and fabrication of coaxial micro helicopter [PDF]

, 2012
In this thesis the design of a coaxial micro helicopter is presented and based on the design, a model is fabricated. The thesis starts with the introduction on the previous models of micro helicopters like the Coax and the Epson.
Mishra, Pratik
core  

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

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