Results 21 to 30 of about 3,958,535 (239)

IMPROVEMENT OF WHEELED TRACTOR INDEXES WITH THE ENGINE OPERATING ON COMPRESSED NATURAL GAS [PDF]

open access: yesAvtomobilʹnyj Transport (Harʹkov), 2017
Rescarch of the performance of the wheeled tractor diesel engine converted into a gas engine with spark ignition, which is supposed to improve the fuel economy and ecological indexes by the choice of expedient values of parameters of the conducting ...
О. Zakharchuk, M. Zakharchuk
doaj  

CONSIDERATION OF THE DYNAMICS OF INDUSTRIAL PRODUCTION IN THE EVALUATION OF ENERGY SAVING POTENTIAL AT THE LEVEL OF INDIVIDUAL COUNTRIES AND REGIONS

open access: yesВестник университета, 2019
An approach to the allocation of economic and macroeconomic factors, affecting the final energy consumption, taking into account the seasonal unevenness of industrial production and the inertia of changes in the production of final products relative to ...
N. A. Kislenko   +2 more
doaj   +1 more source

CLIMATE FACTOR CONSIDERATION DURING ENERGY SAVING POTENTIAL ESTIMATION AT THE LEVEL OF INDIVIDUAL COUNTRIES AND REGIONS

open access: yesВестник университета, 2019
The approach to the allocation of climate factors, that influence on gas consumption with consideration of their interdependence, nonlinearity and inertia of factors has been reviewed.
N. A. Kislenko, Yu. S. Kopylova
doaj   +1 more source

GMAW shielding gas flow optimisation by refinement of nozzle geometry [PDF]

open access: yes, 2013
With an ongoing demand to improve the efficiency of the gas metal arc welding process, steps are being taken to reduce the shielding gas consumption. However, sufficient shielding gas coverage of the weld region is essential for the generation of high ...
Campbell, Stuart   +2 more
core   +4 more sources

Simulation and Experimental Investigation on Porous Gas Bearings for Linear Compressor

open access: yesZhileng xuebao, 2021
The active gas consumption technology of a gas bearing is adopted to realize oil-free lubrication and non-contact operation of a linear compressor to ensure the reliability of the compressor.
Zou Huiming   +4 more
doaj  

Effect of mechanical stirring on heat transfer and flow of crude oil in storage tanks under different heating methods

open access: yesCase Studies in Thermal Engineering
Mechanical stirring can promote uniform distribution of crude oil temperature and increase the heating rate, but the effect is different for different heating methods in crude oil storage tank.
Mingyu Lei   +3 more
doaj   +1 more source

Hydrostatic Asymmetric Journal Gas Barings for Seismic ACROSS Transmitters

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2007
The ACROSS (Accurately Controlled Routinely Operated Signal System) is used to detect subtle changes in the physical state of Earth's structure. The signal is sinusoidal elastic waves generated by the rotation of a rotor with eccentric mass set in ...
Tomohiko ISE   +4 more
doaj   +1 more source

Going Beyond the Mean: Distributional Degree-Day Base Temperatures for Building Energy Analytics Using Change Point Quantile Regression

open access: yesIEEE Access, 2018
Building energy consumption patterns are primarily affected by building function, operation, occupancy and thermal characteristics. A robust method of energy use pattern recognition is, therefore, essential.
Qinglong Meng, Monjur Mourshed, Shen Wei
doaj   +1 more source

Forecast of natural gas supply and demand in China under the background of “Dual Carbon Targets”

open access: yesPetroleum Exploration and Development, 2023
As a kind of clean energy which creates little carbon dioxide, natural gas will play a key role in the process of achieving “Peak Carbon Dioxide Emission” and “Carbon Neutrality”.
Ailin JIA   +3 more
doaj   +1 more source

Study on the influence of driving force on growth kinetics of CH4 hydrate in coal medium

open access: yesMeikuang Anquan
Coal and gas outburst is one of the most serious kinetic disasters in coal mines, and the use of gas hydrate curing technology to reduce the gas pressure and its gradient in the coal body can reduce the probability of coal and gas outburst accidents.
Chuanhai LIU   +6 more
doaj   +1 more source

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