Results 1 to 10 of about 4,018 (217)

Optimization of Design and Technology of Injector Nozzles in Terms of Minimizing Energy Losses on Friction in Compression Ignition Engines

open access: yesApplied Sciences, 2021
The operation of injection apparatus in self-ignition engines results from the design, manufacturing technology and wear and tear during operation.
Jan Monieta, Lech Kasyk
doaj   +3 more sources

Influence of the Amount of Resin in the Spent Furfuryl Mass on the Thermal Regeneration Process [PDF]

open access: yesArchives of Metallurgy and Materials, 2023
The aim of the study was to determine the influence of the amount of a commonly used binder in foundry work, furfuryl resin – on the course of the thermal regeneration of used moulding sand.
Mariusz Łucarz, Marcini Brzezińsk
doaj   +1 more source

Study of the spatial variability of deposit quality indicators of the Murzyn deposit of secondary kaolins

open access: yesТехнічна інженерія, 2023
The publication describes the procedure for the geometrization of the Murzyn deposit of secondary kaolins and analyzes the geospatial variability of the quality indicators of the kaolin reserves of this deposit.
A.O. , S.S. , M.S. , O.V., V.O.
doaj   +1 more source

Sensitivities of Porous Beds and Plates to Ignition by Firebrands

open access: yesFrontiers in Mechanical Engineering, 2021
The increasing occurrence of severe wildfires, coupled with the expansion of the wildland urban interface has increased the number of structures in danger of being destroyed by wildfires. Ignition by firebrands is a significant avenue for fire spread and
Derek Bean , David L. Blunck 
doaj   +1 more source

Application of the Triboelectric Method for the Ongoing Assessment of the Quality of Reclaim in Mechanical Reclaimers [PDF]

open access: yesArchives of Foundry Engineering, 2022
The method of the ongoing assessment of the reclaim quality originating from the mechanical reclamation is described in this paper. In the process, the triboelectric system of measuring amounts of dust in the dedusting part of a reclamation device was ...
R. Dańko, A. Pietrzak, D. Gruszka
doaj   +1 more source

Combined influence of ignition chamber volume and spark plug channel diameter on the performance of small-scale natural gas Wankel rotary engine

open access: yesEngineering Applications of Computational Fluid Mechanics, 2021
To improve the poor in-cylinder combustion condition of the small spark ignition Wankel rotary engine (SI-WRE) and improve its efficiency, this paper conducted a comprehensive optimization of its ignition environment.
Huichao Jiao   +3 more
doaj   +1 more source

Future increases in lightning ignition efficiency and wildfire occurrence expected from drier fuels in boreal forest ecosystems of western North America

open access: yesEnvironmental Research Letters, 2022
Lightning-induced fire is the primary disturbance agent in boreal forests. Recent large fire years have been linked to anomalously high numbers of lightning-caused fire starts, yet the mechanisms regulating the probability of lightning ignition remain ...
Thomas D Hessilt   +6 more
doaj   +1 more source

Influence of the reclamation method of spent moulding sands on the possibility of creating favourable conditions for gases flow in a mould

open access: yesArchives of Metallurgy and Materials, 2017
The results of investigations concerning the influence of the applied sand matrix (fresh sand, reclaim) on the properties of moulding sands used for production of large dimensional castings (ingot moulds, ladles), are presented in the hereby paper.
Łucarz M., Drożyński D.
doaj   +1 more source

Vanadium Influence on Iron Based Intermetallic Phases in AlSi6Cu4 Alloy

open access: yesArchives of Metallurgy and Materials, 2014
Negative effect of iron in Al-Si alloys mostly refers with iron based intermetallic phases, especially Al5FeSi phases. These phases are present in platelet-like forms, which sharp edges are considered as main cracks initiators and also as contributors of
Bolibruchová D., Žihalová M.
doaj   +1 more source

The Potential of Wobble Plate Opposed Piston Axial Engines for Increased Efficiency

open access: yesEnergies, 2020
Recent announcements regarding the phase out of internal combustion engines indicate the need to make major changes in the automotive industry. Bearing in mind this innovation trend, the article proposes a new approach to the engine design.
Paweł Mazuro, Barbara Makarewicz
doaj   +1 more source

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