Results 21 to 30 of about 2,638,696 (303)

Obtaining gas dynamic characteristics of the circulation centrifugal compressor of hydrogen-containing gas based on the analysis of actual operating modes [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение"
The analysis of actual operating modes of a centrifugal compressor providing circulation of hydrogencontaining gas in a reactor block of catalytic isomerization of metaxylene and ethylbenzene into orthoxylenes and paraxylenes has been performed.
A. D. Vanyashov   +2 more
doaj   +1 more source

Analysis of unbalanced load low-voltage electrical networks operating modes [PDF]

open access: yesE3S Web of Conferences, 2021
The article discusses distribution electrical networks 0.38 kV operating modes, feeding individual residential buildings. The electrical energy parameters measurement were certified RESURS-UF2M device carried out.
Naumov Igor   +4 more
doaj   +1 more source

FEATURES OF BEHAVIOR OF FILLED POLYMERS FOR RESISTORS UNDER A CYCLIC LOADING MODE

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2021
The relevance of the work is caused by the fact that ensuring uninterrupted power supply to enterprises in resource-extracting industries is an indispensable condition for their effective functioning. The latter, in its turn, is determined by the quality
Natalya N. Minakova, Vasily Ya. Ushakov
doaj   +1 more source

Self-energy device for HVDC breakers and its control strategy

open access: yesThe Journal of Engineering, 2019
In order to reduce the cost of energy devices for IGBT drive circuits of the hybrid HVDC breaker, a self-energy device for the HVDC breaker is proposed here, which connects to DC lines and takes power from DC lines directly.
Feng Xu   +5 more
doaj   +1 more source

Influence of Ventilation Operating Modes on Energy Efficiency

open access: yesBuildings, 2022
The most significant increase in construction volumes in Latvia was registered in the time period from 2005 to the middle of 2008. Many large suburban areas around Riga were landscaped for building single-family-type houses.
Jelena Tihana   +3 more
doaj   +1 more source

Interaction of short-term depression and firing dynamics in shaping single neuron encoding

open access: yesFrontiers in Computational Neuroscience, 2013
We investigated how the two properties short-term synaptic depression of afferent input and postsynaptic firing dynamics combine to determine the operating mode of a neuron.
Ashutosh eMohan   +3 more
doaj   +1 more source

Recognition and Analysis of Unexpected Modes of Modular Multilevel Converter

open access: yesIEEE Access, 2021
The modular multilevel converter (MMC) with the clamp double submodule (CDSM) performs outstandingly on the handling of DC fault current. As CDSM is composed of multiple switching devices, different operating modes can be produced according to the ...
Xiaofu Fan   +5 more
doaj   +1 more source

Evaluation of Operating Modes for Intelligent Power Wheelchair Systems [PDF]

open access: yes, 2022
Independent mobility is important for daily living and many chronic conditions related to aging can limit access to mobility aids. To decrease barriers, research has proposed intelligent wheelchair systems. Progress has been made to develop these systems,
Shin, Sang Min
core  

Approaches to simulation modeling of working processes of a rope logging machine for working on slopes

open access: yesНаучно-технический вестник Брянского государственного университета, 2022
Currently, due to a decrease in the volume of possible timber extraction in relatively convenient areas characterized by favorable natural relief, the development of logging technologies and appropriate logging equipment for work on steep slopes becomes ...
Lagerev I.A.   +2 more
doaj   +1 more source

A NOx Emission Model Incorporating Temperature for Heavy-Duty Diesel Vehicles with Urea-SCR Systems Based on Field Operating Modes

open access: yesAtmosphere, 2019
The selective catalytic reduction (SCR) is the most commonly used technique for decreasing the emissions of nitrogen oxides (NOx) from heavy-duty diesel vehicles (HDDVs). However, the same injection strategy in the SCR system shows significant variations
Xin Wang   +4 more
doaj   +1 more source

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