Results 1 to 10 of about 395,457 (166)

Experimental investigation of alcohol blending effect on the performances of a single cylinder spark-ignition marine engine

open access: yesInternational Journal of Automotive Science and Technology, 2021
This work represents an experimental study on the performances of a single cylinder spark-ignition marine engine fueled by ethanol blends. Several studies have been carried out to investigate the use of alternative fuels in spark-ignition engines to ...
Mehrez Gassoumi   +4 more
doaj   +1 more source

Backcalculation of Finite-Element Modeling Based on Field Measurements Results of Excavation in Steel Sheet Pile Walls

open access: yesAdvances in Civil Engineering, 2023
The study presents a development of a nonlinear finite element calculation technique for the prediction of the stability of the multistaged deep excavation in submerged multilayered soft soil retained by steel sheet pile walls structures performed from ...
Zoa Ambassa   +3 more
doaj   +1 more source

Experimental Study of alcohol blending effects on the operating characteristics of a diesel engine

open access: yesInternational Journal of Automotive Science and Technology, 2022
The main objective of this research work is to study, experimentally, the effects of alcohol blending of diesel and biodiesel fuels on the mechanical and thermochemical characteristics of a diesel engine.
Fakher Hamdi   +4 more
doaj   +1 more source

Preprocessing Approach for Power Transformer Maintenance Data Mining Based on k-Nearest Neighbor Completion and Principal Component Analysis

open access: yesInternational Transactions on Electrical Energy Systems, 2022
The accuracy of a knowledge extraction algorithm in a large database depends on the quality of the data preprocessing and the methods used. The massive amounts of data that we collect every day are putting storage capacity at a premium.
Moïse Manyol   +4 more
doaj   +1 more source

The Energy of the Alphabet Model [PDF]

open access: yesAnnales Henri Poincaré, 2017
We call \emph{Alphabet model} a generalization to N types of particles of the classic ABC model. We have particles of different types stochastically evolving on a one dimensional lattice with an exchange dynamics. The rates of exchange are local but under suitable conditions the dynamics is reversible with a Gibbsian like invariant measure with long ...
GABRIELLI, DAVIDE, RONCARI, FABIO
openaire   +4 more sources

A holographic energy model [PDF]

open access: yesThe European Physical Journal C, 2010
9 ...
Huang, P., Huang, Yong-Chang
openaire   +2 more sources

Modeling Energy and Development: An Evaluation of Models and Concepts [PDF]

open access: yesWorld Development, 2008
Most global energy models are developed by institutes from developed countries focusing primarily oil issues that are important in industrialized countries. Evaluation of the results for Asia of the IPCC/SRES models shows that broad concepts of energy and development.
van Ruijven, B.J.   +6 more
openaire   +4 more sources

THEORETICAL MODELS OF DARK ENERGY [PDF]

open access: yesInternational Journal of Modern Physics D, 2012
Mounting observational data confirm that about 73% of the energy density consists of dark energy which is responsible for the current accelerated expansion of the Universe. We present observational evidences and dark energy projects. We then review various theoretical ideas that have been proposed to explain the origin of dark energy; they contain the ...
Yoo, Jaewon, Watanabe, Yuki
openaire   +3 more sources

Design and Characterization of a Traveling-Wave Antenna for Millimeter Applications in the Sub-THz Band

open access: yesInternational Journal of Antennas and Propagation, 2023
The main challenge in manufacturing antennas in the sub-THz band is their small size, which requires adapted manufacturing tools. This paper proposes a uniform linear 3 × 1 traveling-wave antenna array (ULTWAA) for millimetre applications in the sub-THz ...
Ndanga Adamou Eric   +5 more
doaj   +1 more source

A Sigfox Energy Consumption Model [PDF]

open access: yesSensors, 2019
Sigfox has become one of the main Low-Power Wide Area Network (LPWAN) technologies, as it has attracted the attention of the industry, academy and standards development organizations in recent years. Sigfox devices, such as sensors or actuators, are expected to run on limited energy sources; therefore, it is crucial to investigate the energy ...
Gómez Montenegro, Carlos   +4 more
openaire   +5 more sources

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