Results 31 to 40 of about 29,232 (135)

Association between chronic idiopathic cough and sensitive skin syndromes is a new argument in favor of common neuropathic pathways: results from a survey on 4050 subjects

open access: yesScientific Reports, 2021
Sensitive skin syndrome has a neuropathic origin, which is why it is frequently associated with irritable bowel syndrome. We have looked for a possible association with chronic cough, which is commonly maintained by neurogenic mechanisms, whatever the ...
L. Miséry   +3 more
semanticscholar   +1 more source

Random Dynamic Load Identification with Noise for Aircraft via Attention Based 1D-CNN

open access: yesAerospace, 2022
Dynamic load identification plays an important role in the field of fault diagnosis and structural modification design for aircraft. In conventional dynamic load identification approaches, accurate structural modeling is usually needed, which is ...
Wenbo He   +5 more
doaj   +1 more source

Thrust Control Method and Technology of Variable-Thrust Liquid Engine for Reusable Launch Rocket

open access: yesAerospace, 2022
A high-precision variable-thrust control method based on real-time measurement of pintle displacement and closed-loop feedback control is proposed to solve the technical problems of deep throttling variable-thrust regulation and control of pintle liquid ...
Zhaohui Yao   +3 more
doaj   +1 more source

Numerical Study on Parameters of the Airborne VLF Antenna by Quasi-Stationary Model

open access: yesAerospace, 2022
When a Very-Low-Frequency (VLF) antenna is towed in a circular flightpath at a constant altitude, the spatial configuration of the antenna can become relatively stationary with the orbiting aircraft.
Jiangfeng Cheng, Xueqiang Liu, Feng Deng
doaj   +1 more source

Compression and energy absorption properties of Al foam-filled tube composite structure

open access: yesJournal of Aeronautical Materials, 2019
The open-cell Al foam was fabricated by space-holder method and Al foam-filled tube was obtained by filling Al foam into Al alloy tube. The influences of wall thickness, bonding method and filling margin on the mechanical and energy absorbing properties ...
LI Sichao   +3 more
doaj   +1 more source

Features of the use of directional fixed antennas of a high-speed radio link on a small spacecraft AIST-2T

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2023
The correct installation of antenna-feeder devices on board a small spacecraft and the choice of their parameters make it possible to ensure the solution of target problems with high quality.
V. V. Eremina   +4 more
doaj   +1 more source

Research Progress on Measurement Methods and Influence Factors of Thin-film Stress

open access: yesJournal of Aeronautical Materials, 2018
With the size of thin-film electronic devices decreasing, the film stress became an important reason for the failure of thin film devices. Film stress not only affected the membrane structure, but also associated with film optics, electricity, mechanics ...
MA Yibo   +6 more
doaj   +1 more source

Methodology of delivering space parts, tools and accessories to a near Earth orbital station on the basis of the reliability factor

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2023
The main aspects of the deployment of multi-module orbital manned stations are considered. The methodology for planning the delivery of spare parts, tools and accessories used in planning of transport operations to the International Space Station, is ...
I. V. Zheleznov   +2 more
doaj   +1 more source

Theoretical aspects of designing the components of an aircraft onboard cable network

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2023
The article presents theoretical foundations of designing the components of an aircraft onboard cable network, proposed as a methodology for solving the problems of designing onboard equipment.
A. Yu. Myasnikov
doaj   +1 more source

Method of scanning thin surfaces in repairing gas turbine blades

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2023
Improving the efficiency of weld overlay repair of gas turbine blades by developing and implementing a method of scanning complex curved surfaces of gas turbine blades directly on the machine is the aim of this work.
D. I. Kotlyar, A. N. Lomanov
doaj   +1 more source

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