Results 11 to 20 of about 1,142,944 (309)

Design of Test Equipment for Hydrostatic Transducers and Hydraulic Fluids

open access: yesApplied Sciences, 2022
The article refers to the proposed test equipment used to monitor the service life of hydrostatic transducers and fluids under constant or dynamic operating pressure loading.
Ľubomír Hujo   +3 more
doaj   +1 more source

Calibration algorithm of contact contour scanner system

open access: yesDianzi Jishu Yingyong, 2021
The principle of the contact contour scanner is to use the length sequence returned by the encoder and the rotation angle of the rotating platform to determine the contour coordinates of the object to be measured.
Gao Tong   +3 more
doaj   +1 more source

Degradation of Ecological Energy Carriers Under Cyclic Pressure Loading

open access: yesActa Technologica Agriculturae, 2023
The presented work investigates the degradation of an ecological energy carrier in the form of changes in its properties, which was subjected to dynamic loading through a test device in laboratory conditions.
Michalides Matej   +5 more
doaj   +1 more source

Suitability Assessment of NOx Emissions Measurements with PTI Equipment

open access: yesVehicles, 2022
The measurement of NOx emissions in vehicles has so far been exclusively carried out during the type-approval process. For this purpose, high-precision gas measurement laboratory equipment and Portable Emission Measurement Systems (PEMS) are used.
Eugenio Fernández   +3 more
doaj   +1 more source

Understanding the Effect of Gloves on Hand-Arm Vibrations in Road Cycling

open access: yesProceedings, 2020
The aim of this research was to study the effects of cycling gloves on hand-arm vibrations in realistic load scenarios. A test has been performed in the laboratory, a road bicycle handlebar was mounted to the hydraulic cylinder of a universal testing ...
Giuseppe Sanseverino   +4 more
doaj   +1 more source

Non-Destructive Inspection of Impact Damage in Composite Aircraft Panels by Ultrasonic Guided Waves and Statistical Processing. [PDF]

open access: yes, 2017
This paper discusses a non-destructive evaluation (NDE) technique for the detection of damage in composite aircraft structures following high energy wide area blunt impact (HEWABI) from ground service equipment (GSE), such as heavy cargo loaders and ...
Capriotti, Margherita   +3 more
core   +2 more sources

The Development of Laboratory Equipment for Testing The Characteristics of Unsaturated Soils [PDF]

open access: yesMűszaki Tudományos Közlemények, 2018
Abstract The laboratory assessment of the hydraulic characteristics of unsaturated soils usually requires expensive equipment and an extended time period. With lack of financial support, yet taking advantage of local knowledge and resources, the development of cheaper alternative equipment is presented in the present paper. The automated
Botos, Marius Lucian   +2 more
openaire   +2 more sources

A Two-Dimensional Frequency Modulation Deception Jamming Against ISAR

open access: yesIEEE Access, 2019
This paper proposes a false target jamming method for countering ISAR based on two-dimensional frequency modulation. The target template is created according to the ISAR image of a true target.
Ning Tai   +5 more
doaj   +1 more source

Novel Method for Comprehensive Corrosion Evaluation of Grounding Device

open access: yesIEEE Access, 2020
Tower grounding device provides the discharging channel for fault currents, ensuring the safe and reliable operation of transmission lines. However, the carbon steel tower grounding device is prone to corrosion, which affects the discharging performance ...
Zhanlong Zhang   +5 more
doaj   +1 more source

The measurement method of tower grounding resistance with shorter measuring wire based on green's theorem

open access: yesIET Generation, Transmission & Distribution, 2021
The Tower grounding grids are important power facilities for transmission line grounding protection. The accurate measurement of grounding resistance provides data support for the safe operation of the grounding grids.
Zhanlong Zhang   +5 more
doaj   +1 more source

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