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Author : Manual Ramos
Release : 2018
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Fuel Effects on Particulate Matter Emissions Variability from a Gasoline Direct Injection Engine by : Manual Ramos
Download or read book Fuel Effects on Particulate Matter Emissions Variability from a Gasoline Direct Injection Engine written by Manual Ramos. This book was released on 2018. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Manuel José Matos Graça Ramos
Release : 2015
Genre :
Kind : eBook
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Book Synopsis Sources of Particulate Matter Emissions Variability from a Gasoline Direct Injection Engine by : Manuel José Matos Graça Ramos
Download or read book Sources of Particulate Matter Emissions Variability from a Gasoline Direct Injection Engine written by Manuel José Matos Graça Ramos. This book was released on 2015. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Khaled Rais
Release : 2018
Genre :
Kind : eBook
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Book Synopsis Fuel Influence on Gasoline Direct Injection Particulate Matter Emissions by : Khaled Rais
Download or read book Fuel Influence on Gasoline Direct Injection Particulate Matter Emissions written by Khaled Rais. This book was released on 2018. Available in PDF, EPUB and Kindle. Book excerpt: Particulate emissions from gasoline direct injected engines are a topic of growing research interest due to health concerns. Using engine tests of extended length and fueled with custom hydrocarbon blends, this study aimed to experimentally investigate temporal and test-to-test gasoline particulate emissions variability that has been observed in earlier work. Gasoline property changes during engine operation and engine control module adjustments were ruled out as the source of the temporal variation. Crankcase ventilation system deposits were also ruled out but they were found to increase average particle numbers. Testing of custom fuel blends demonstrated that transient cold and hot start particulate emissions are fuel independent, steady state emissions are highly influenced by fuel properties and the commonly used model to assess that influence, the PM Index, is incomplete, and that the use of fuel of consistent composition reduces test-to-test variability.
Author : Abhikaran Singh
Release : 2019
Genre :
Kind : eBook
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Book Synopsis Effect of the Seasonal Changes in Fuel Composition on Particulate Matter Emissions from a Gasoline Direct Injection Engine by : Abhikaran Singh
Download or read book Effect of the Seasonal Changes in Fuel Composition on Particulate Matter Emissions from a Gasoline Direct Injection Engine written by Abhikaran Singh. This book was released on 2019. Available in PDF, EPUB and Kindle. Book excerpt: The Ministry of Environment and Climate Change (MOECC) found that black carbons (BC) concentrations were significantly higher in summer than in winter, which could be attributed to the seasonal variations in fuel composition. This experimental study investigated the impact of fuel seasonal changes on particulate matter (PM) emissions using a Ford Focus wall-guided GDI engine. Fuels from five public gas stations having octane rating of 87 and 91 were analyzed and tested. This study demonstrated that summer fuels contained higher aromatics than winter fuels which led to higher PM emissions and BC concentrations during steady state and transient state conditions. Moreover, the removal of ethanol content resulted in lower PM emissions and BC concentrations during steady state conditions. This study suggested that an increase in aromatics in summer fuels could be root cause for higher BC concentrations, however, similar study should be performed in other engines to support this conclusion.
Author : Jerzy Merkisz
Release : 2015-03-19
Genre : Science
Kind : eBook
Book Rating : 283/5 ( reviews)
Book Synopsis Nanoparticle Emissions From Combustion Engines by : Jerzy Merkisz
Download or read book Nanoparticle Emissions From Combustion Engines written by Jerzy Merkisz. This book was released on 2015-03-19. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on particulate matter emissions produced by vehicles with combustion engines. It describes the physicochemical properties of the particulate matter, the mechanisms of its formation and its environmental impacts (including those on human beings). It discusses methods for measuring particulate mass and number, including the state-of-the-art in Portable Emission Measurement System (PEMS) equipment for measuring the exhaust emissions of both light and heavy-duty vehicles and buses under actual operating conditions. The book presents the authors’ latest investigations into the relations between particulate emission (mass and number) and engine operating parameters, as well as their new findings obtained through road tests performed on various types of vehicles, including those using diesel particulate filter regeneration. The book, which addresses the needs of academics and professionals alike, also discusses relevant European regulations on particulate emissions and highlights selected methods aimed at the reduction of particulate emissions from automobiles.
