Results 1 to 10 of about 601,477 (169)

Numerical Evaluation and Experimental Test on a New Giant Magnetostrictive Transducer with Low Heat Loss Design [PDF]

open access: yesMicromachines, 2021
Giant magnetostrictive transducer with micro and nano precision has a wide application prospect in the field of remote sensing. However, excessive heat loss of components could generate during the energy conversion and transfer from electric energy to ...
Zhuan Bai   +4 more
doaj   +2 more sources

Construction of the control algorithm to improve energy efficiency of a switched reluctance electric motor [PDF]

open access: yesОмский научный вестник, 2023
An energy-efficient switched reluctance electric drive is considered in relation to electric rolling stock. It fully meets such requirements as good adjustment properties, high energy efficiency and operational reliability.
А. V. Kashuba, A. V. Shevkunova
doaj   +1 more source

Experience in construction of monolithic layers of road pavement at sub-zero air temperatures

open access: yesВестник СибАДИ, 2022
Introduction. Increasing the durability of road structures and extending the construction season for the installation of monolithic road pavements are urgent tasks. Non-rigid road pavements are of particular interest.
A. A. Lytkin
doaj   +1 more source

Effect of Structural Materials on Monopropellant Thruster Propulsion Performance in Micro Scale

open access: yesAerospace, 2023
This paper reports on the effect of structural materials on heat loss-associated propulsion performance degradation of monopropellant thrusters in the micro scale.
Jeongmoo Huh, Ki Sun Park
doaj   +1 more source

Improving the efficiency of capital repairs of apartment buildings through energy-saving measures (on the example of the Republic of Tatarstan) [PDF]

open access: yesE3S Web of Conferences, 2021
The article discusses the energy-efficient repair and construction of apartment buildings, as well as the dynamics of changes in the energy efficiency class of apartment buildings in the Republic of Tatarstan.
Ilina Evgeniya   +2 more
doaj   +1 more source

An Equivalent Heat Transfer Model Instead of Wind Speed Measuring for Dynamic Thermal Rating of Transmission Lines

open access: yesEnergies, 2020
With the increase in electricity demand, the ampacity calculation based on the dynamic thermal rating (DTR) technology is increasingly significant for assessing and improving the power transfer capacity of the existing overhead conductors.
Zhao Liu   +8 more
doaj   +1 more source

Parametric analysis efficiency screen-vacuum thermal insulation of regenerative heat exchanger heat loss recovery system mobile compressor plant [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2019
In this work, a study is conducted of the effectiveness of the screen-vacuum thermal insulation of the heat exchanger of the heat loss recovery system of a mobile compressor unit using the method of its calculation developed on the basis of the Ansys ...
G. I. Chernov   +2 more
doaj   +1 more source

Experimental and Simulation of Diesel Engine Fueled with Biodiesel with Variations in Heat Loss Model

open access: yesEnergies, 2021
This study presents an experimental investigation and thermodynamic 0D modeling of the combustion of a compression-ignition engine, fueled by an alternative fuel based on neem biodiesel (B100) as well as conventional diesel (D100).
Daniel Romeo Kamta Legue   +4 more
doaj   +1 more source

Effects of pressure and heat loss on the unstable motion of cellular-flame fronts caused by intrinsic instability in hydrogen-air lean premixed flames

open access: yesJournal of Thermal Science and Technology, 2021
Effects of pressure and heat loss on the unstable motion of cellular-flame fronts in hydrogen-air lean premixed flames were numerically investigated. We adopted the reaction mechanism for hydrogen-oxygen combustion, modeled with seventeen reversible ...
Satoshi KADOWAKI   +5 more
doaj   +1 more source

ACTUAL PROBLEMS OF REALIZATION OF THE FEDERAL LAW № 261 FROM 23.11.2009 IN THE RUSSIAN FEDERATION IN THE PART OF HEAT SUPPLY

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
The paper provides an analysis of the implementation of the Federal law No. 261 dated 23.11.2009 in terms of heating. Identified the following targets: wear of heat networks; heat losses in pipelines. The drawbacks of the implementation ofprograms in the
N. V. Savina, E. J. Artjushevskaja
doaj   +1 more source

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