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Dmitriy Gvozdyakov and Andrey Zenkov
This work presents a review of modern devices for spraying coal?water fuels. The efficiency of their operation was analyzed according to several criteria: the simplicity of their design (A), the fuel channel?s predisposition to clogging (B), durability i...
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Mara Kandeva, Mihail Zagorski, Ru?ica Nikolic, Bla?a Stojanovic, Adrian But, Franti?ek Botko, Ján Pitel and Aleksandar Vencl
The nickel (Ni) coatings without and with embedded (5?7 vol. %) cubic boron nitride (c-BN) nanoparticles (10 nm in diameter) were deposited on carbon steel substrate by an electroless plating process. Coatings were tested in as-deposited and heat-treated...
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Annalisa Fortini, Alessio Suman, Alessandro Vulpio, Mattia Merlin and Michele Pinelli
Surface material loss due to erosive wear is responsible for the increased cost of maintenance and downtime in industries. Hence, hardfacing is one of the most valuable and effective techniques employed to improve the wear resistance of heavy-duty compon...
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Eugene Medvedovski, Gerardo Leal Mendoza and Giovanny Vargas
Downhole heavy oil production and oil sand processing are associated with severe damage and failures of production equipment components, e.g., production tubing and pumping systems, due to erosion-corrosion resulting in processing losses, production down...
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Carolina Camba, José Luis Mier, Luis Carral, María Isabel Lamas, José Carlos Álvarez, Ana-María Díaz-Díaz and Javier Tarrío-Saavedra
This work proposes a green material for artificial reefs to be placed in Galicia (northwest Spain) taking into account the principles of circular economy and sustainability of the ecosystem. New concrete formulations for marine applications, based on cem...
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Sebastián Leguizamón, Ebrahim Jahanbakhsh, Siamak Alimirzazadeh, Audrey Maertens and François Avellan
Erosive wear of hydraulic machines is a common issue, which results in efficiency degradation, the enhancement of cavitation, and the need for expensive maintenance. Although numerical simulations of the erosion process could be very useful, both for und...
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