Results 71 to 80 of about 145,716 (357)

Investigation of split injection in a single cylinder optical diesel engine [PDF]

open access: yes, 2010
SAE paper 2010-01-0605, Copyright © 2010 SAE International. This paper is posted on this site with permission from SAE International, and is for viewing only.
Diez, A, Zhao, H
core   +1 more source

Potential contribution of biomass gasification‐based technology in energy transition: a technical review coupled with bibliometric studies

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Biomass gasification technology has been extensively researched around the world; however, there is a need to evaluate the current research landscape and evolutionary direction of research in the broader context of energy transition. A systematic bibliometric analysis of the Web of Science database was performed for articles that fall within ...
Olasunkanmi Opeoluwa Adeoye   +5 more
wiley   +1 more source

First Steps towards a Super-Compact In-Situ Laser-Induced-Incandescence Sensor System

open access: yesProceedings, 2019
To realize an actual in-situ Laser-Induced Incandescence (LII) sensor system for measurements in an exhaust pipe of a combustion engine, suitable components for such an application were chosen, integrated in a first prototype and tested.
Martin Kupper   +3 more
doaj   +1 more source

Emotional experiences and stigma among families benefiting from Barcelona's shock plan against school segregation and for inclusion and equal opportunities and educational success

open access: yesBritish Educational Research Journal, EarlyView.
Abstract This article examines the emotional experiences and processes of stigmatisation encountered by families benefiting from the Shock Plan Against Segregation and for Inclusion, Equal Opportunities and Educational Success (SP), implemented in Barcelona.
Andrea Jover   +3 more
wiley   +1 more source

Effect of Pore Structure on Soot Deposition in Diesel Particulate Filter

open access: yesComputation, 2016
Nowadays, in the after-treatment of diesel exhaust gas, a diesel particulate filter (DPF) has been used to trap nano-particles of the diesel soot. However, as there are more particles inside the filter, the pressure which corresponds to the filter ...
Kazuhiro Yamamoto, Tatsuya Sakai
doaj   +1 more source

AIR POLLUTION IN KRAKOW – A GLANCE INTO THE FUTURE FROM A HISTORICAL PERSPECTIVE [PDF]

open access: yesActa Geobalcanica, 2017
High concentrations of air pollution probably occurred in Krakow in the nineteenth and early twentieth centuries. Since the late 1960s due to the development of monitoring networks level of air pollution is well documented.
Wanda Wilczyńska-Michalik   +1 more
doaj   +1 more source

Modelling and simulation of hydrogen production via natural gas plasma pyrolysis

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Methane pyrolysis simulation model. Abstract Plasma pyrolysis is a cutting‐edge technology that produces hydrogen and solid carbon from methane without emitting carbon dioxide. In this study, we developed a process simulation model in Aspen HYSYS to analyze the behaviour of this technology at the commercial scale.
Muhammad Badrul Islam Chowdhury   +2 more
wiley   +1 more source

Separation and structural analysis of soot from typical entrained flow coal gasification fine slag

open access: yesInternational Journal of Coal Science & Technology
Soot is a flocculent carbon nanoparticle that results the imperfect combustion of fossil fuel, and numerous studies are dedicated to the reduction of soot production to alleviate the associated environmental problems.
Qingyun Wang   +8 more
doaj   +1 more source

Evaluation of Performance of Crankcase Oil in a Biodiesel Engine - A Case Study

open access: yesTribology Online, 2011
Study on usage of biodiesel, its impact on lubrication oil and its drain period, engine components are still under investigation. This experimental study investigates the effect of B20 FME (Fish oil methyl ester) on lubricating oil performance & ...
Gopalasamy Sriram, Abhishek Kumar
doaj   +1 more source

Precipitation of niobic acid from potassium niobate in sulphuric acid solution: A route to niobium oxide

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Graphical abstract illustrating the niobic acid precipitation process applied and the product obtained. Abstract This study investigates the precipitation of niobic acid (Nb2O5.nH2O) from potassium niobate solution with addition of sulphuric acid, and its subsequent thermal conversion into niobium oxide (Nb2O5). Thermodynamic modelling with PHREEQC and
Cássia R. Souza   +4 more
wiley   +1 more source

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