Results 41 to 50 of about 865,596 (264)

An Explainable Machine Learning Approach for IoT-Supported Shaft Power Estimation and Performance Analysis for Marine Vessels

open access: yesFuture Internet
In the evolving landscape of green shipping, the accurate estimation of shaft power is critical for reducing fuel consumption and greenhouse gas emissions.
Yiannis Kiouvrekis   +7 more
doaj   +1 more source

Optimizing Fuel Efficiency on an Islanded Microgrid under Varying Loads

open access: yesEnergies, 2022
Past studies of microgrids have been based on measurements of fuel consumption by generators under static loads. There is little information on the fuel efficiency of generators under time-varying loads.
Joo Won Lee   +3 more
doaj   +1 more source

Natural Gas Competitiveness in the Eastern Regions of Russia [PDF]

open access: yesProstranstvennaâ Èkonomika, 2012
Description is given of a methodical approach to evaluating the competitiveness of gas in different consumer groups based on identical price of the final product obtained when using different fuels, taking into account the consumer’s effect. Quantitative
Galperova E. V.   +2 more
doaj   +1 more source

A Novel ANFIS-Based Approach for Optimizing Energy Efficiency in Autonomous Vehicles

open access: yesEnergies
Autonomous vehicles (AVs) promise improved safety and sustainability, yet their sophisticated sensing, computing, and communication systems impose auxiliary power loads of 1.5–3.2 kW, risking an increase of up to 45% in global transport energy demand by ...
Behrouz Samieiyan, Anjali Awasthi
doaj   +1 more source

Numerical Calculation of Wind Tip Vortex Formation for Different Wingtip devices [PDF]

open access: yesINCAS Bulletin, 2018
In this study numerical calculations are conducted to understand implementation of different wingtip device for wingtip vortexes formation. Numerical methods are performed over NACA 0012 winglet at the varying Reynolds numbers from 0.5x106 to 1x106 with ...
Haci SOGUKPINAR
doaj   +1 more source

Crystal Structure of the ZrO Phase at Zirconium/Zirconium Oxide Interfaces [PDF]

open access: yes, 2014
Zirconium-based alloys are used in water-cooled nuclear reactors for both nuclear fuel cladding and structural components. Under this harsh environment, the main factor limiting the service life of zirconium cladding, and hence fuel burn-up efficiency ...
Grovenor, CRM   +8 more
core   +1 more source

Development of Representative Sailing Mode Construction Methodology Using Markov Chain

open access: yesJournal of Marine Science and Engineering
The strengthening of regulations such as EEXI, EEDI, and CII on ship emissions is underway. Despite their application, objective comparisons of ships are hindered by diverse navigation patterns and varying velocity regulations in different seas and ports.
Changjae Moon   +3 more
doaj   +1 more source

Comparison of Ferry Boat and Highway Bridge Energy Use

open access: yesEnergies, 2011
Passenger ferries serve a variety of transport needs in the U.S., such as providing vital links across bodies of water, and supplementing highway bridges. In some cases in which there is a ferry connection but no bridge, a bridge would be impractical; in
Wayne D. Cottrell
doaj   +1 more source

Influence of Diesel Fuel Ignition Portion Value on Working Process Parameters of Gas-Diesel Engine

open access: yesНаука и техника, 2019
More and more requirements are imposed to engines of internal combustion due to the passage of time. These requirements are caused by the necessity to save fuel, to reduce emissions of pollutants into the atmosphere, to improve operational reliability ...
G. A. Vershina, O. S. Bystrenkov
doaj   +1 more source

Impact of Cylinder Deactivation and Cylinder Cutout via Flexible Valve Actuation on Fuel Efficient Aftertreatment Thermal Management at Curb Idle

open access: yesFrontiers in Mechanical Engineering, 2019
Cylinder deactivation (CDA) and cylinder cutout are different operating strategies for diesel engines. CDA includes the deactivation of both the valve motions and the fuel injection of select cylinders, while cylinder cutout incorporates only fuel ...
Kalen R. Vos   +3 more
doaj   +1 more source

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