Results 31 to 40 of about 1,337,980 (309)

ACCOUNTING OF THE OWN THERMO-STRESSED STATE OF THE SOLID CONCRETE WHILE PROVIDING THE REQUIRED CONSUMER PROPERTIES OF THE CRIMEAN BRIDGE CONSTRUCTIONS

open access: yesВестник СибАДИ, 2018
Introduction. The paper deals with the issues related to the determination and registration of the own thermo-stressed state formed in concrete while hardening and used to provide the required consumer properties in the Crimean bridge construction ...
I. S. Pulyaev, S. M. Pulyaev
doaj   +1 more source

The Synergy of Two Biofuel Additives on Combustion Process to Simultaneously Reduce NOx and PM Emissions

open access: yesEnergies, 2021
The article presents the results of research on the influence of two fuel additives that selectively affect the combustion process in a diesel engine cylinder. The addition of NitrON® reduces the concentration of nitrogen oxides (NOx), due to a reduction
Jerzy Cisek   +3 more
doaj   +1 more source

An experimental study of the dual-fuel performance of a small compression ignition diesel engine operating with three gaseous fuels [PDF]

open access: yes, 2007
A dual-fuel engine is a compression ignition (CI) engine where the primary gaseous fuel source is premixed with air as it enters the combustion chamber.
A Clarke   +14 more
core   +2 more sources

Combustion Thermodynamics of Ethanol, n-Heptane, and n-Butanol in a Rapid Compression Machine with a Dual Direct Injection (DDI) Supply System

open access: yesEnergies, 2021
The development of internal combustion engines involves various new solutions, one of which is the use of dual-fuel systems. The diversity of technological solutions being developed determines the efficiency of such systems, as well as the possibility of
Ireneusz Pielecha   +3 more
doaj   +1 more source

Flame Retardancy of Polystyrene Nanocomposites Based on an Oligomeric Organically-Modified Clay Containing Phosphate [PDF]

open access: yes, 2003
Novel modified clays, which may enable the formation of flame retarded polystyrene nanocomposites by melt or solution blending, have been prepared using an ammonium salt which contains an oligomeric material consisting of vinylbenzyl chloride, styrene ...
Wilkie, Charles A., Zheng, Xiaoxia
core   +2 more sources

Effect of MgO Content on Heat Capacity of Synthetic BF Slag and Heat Release Behavior during Cooling Process

open access: yesMetals, 2021
The differential scanning calorimetry (DSC) sapphire analysis was used to measure the specific heat capacity of the BF (BF) slag and observe the CaO-SiO2-MgO-Al2O3-TiO2 5-element slag system with the binary basicity fixed at 1.17.
Yanhua Yang, Ting Lei, Yuelin Qin
doaj   +1 more source

Bacterial Infection Elicits Heat Shock Protein 72 Release from Pleural Mesothelial Cells [PDF]

open access: yes, 2013
Heat shock protein 70 (HSP70) has been implicated in infection-related processes and has been found in body fluids during infection. This study aimed to determine whether pleural mesothelial cells release HSP70 in response to bacterial infection in vitro
Bielsa, S   +8 more
core   +1 more source

The Influence of Common-rail Adjustment on the Parameters of a Diesel Tractor Engine

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2016
The article deals with the issue of high-pressure indication of a diesel tractor engine Z 1727, which was fitted with a modern electronically controlled common-rail injection system.
Lukáš Tunka, Adam Polcar
doaj   +1 more source

Open-Source Energy, Entropy, and Exergy 0D Heat Release Model for Internal Combustion Engines

open access: yesEnergies, 2023
Internal combustion engines face increased market, societal, and governmental pressures to improve performance, requiring researchers to utilize modeling tools capable of a thorough analysis of engine performance.
Christopher Depcik   +2 more
doaj   +1 more source

Plastic shrinkage of concrete modified by metakaolin

open access: yesMagazine of Civil Engineering, 2021
The subject of research is concrete containing a polycarboxylate superplasticizer admixture and metakaolin. The effect of water-cement ratio, superplasticizer, and metakaolin on plastic shrinkage of cement paste was investigated.
Kseniia Usanova   +4 more
doaj   +1 more source

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