Results 101 to 110 of about 4,586 (202)

Multiphysical modeling and development of an electromagnetic exciter of low-frequency oscillations as a converter of renewable energy sources

open access: yesГорное оборудование и электромеханика
An electromagnetic exciter of low-frequency mechanical oscillations (EME LFO) with a series-connected capacitor in its operating modes is presented. The aim of the study is the practical implementation of the generator mode of operation and its use as a ...
Tumanov I.Ye.
doaj   +1 more source

Control system for noise-resistant electronic speed controller of a brushless electric motor for an unmanned aerial vehicle

open access: yesРоссийский технологический журнал
Objectives. The high demand for unmanned aircraft and their efficiency makes the production of their components a matter of relevance. One of these components is the speed controller of the brushless electric motor of the propeller motor group.
M. V. Parinov   +2 more
doaj   +1 more source

High temperature chemical kinetic study of the H2-CO-CO2-NO reaction system [PDF]

open access: yes
An experimental study of the kinetics of the H2-CO-CO2-NO reaction system was made behind incident shock waves at temperatures of 2460 and 2950 K. The overall rate of the reaction was measured by monitoring radiation from the CO + O yields CO2 + h ...
Jachimowski, C. J.
core   +1 more source

Study of the general mechanism of stress corrosion of aluminum alloys and development of techniques for its detection Quarterly report, 1 May - 31 Aug. 1968 [PDF]

open access: yes
Mechanism of stress corrosion cracking in aluminum alloys and techniques for detection of surface ...
Bell, R. O.   +3 more
core   +1 more source

Determination of meteor parameters using laboratory simulation techniques [PDF]

open access: yes
Atmospheric entry of meteoritic bodies is conveniently and accurately simulated in the laboratory by techniques which employ the charging and electrostatic acceleration of macroscopic solid particles.
Becker, D. G., Friichtenicht, J. F.
core   +1 more source

High power phase locked laser oscillators [PDF]

open access: yes
The feasibility of mechanizing an adaptive array of independent laser oscillators for generation of a high power coherent output was experimentally investigated.
Davis, W. C.   +3 more
core   +1 more source

Aerospace systems pyrotechnic shock data /ground test and flight/. Volume 4 - Lockheed data and analyses Final report, Jun. 1968 - Mar. 1970 [PDF]

open access: yes
Compilation of shock loads on spacecraft structures produced by actuation of pyrotechnics and explosive devices - Vol.
Kacena, W. J., III   +2 more
core   +1 more source

Axisymmetric problem for inhomogeneous conical shell

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2012
New analytical solution of the axisymmetric dynamic problem for circular conical shells with inhomogeneous thickness and finite shear rigidity was developed on the basis of improved theory by generalized method of finite integral transformations. Arbitrary
Yuriy É Senitskiy
doaj  

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