Author: Bradlee J. Stroia
Publisher:
ISBN:
Category : Diesel motor
Languages : en
Pages : 16

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Author: Bradlee J. Stroia
Publisher:
ISBN:
Category :
Languages : en
Pages : 366

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Author: Joseph Sykora Shakal
Publisher:
ISBN:
Category :
Languages : en
Pages : 350

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Author: Bernard F. Enright
Publisher:
ISBN:
Category :
Languages : en
Pages : 244

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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 760

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Author: Ziliang Zheng
Publisher:
ISBN:
Category : Fuel
Languages : en
Pages :

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Diesel engine has become a popular choice for trucks, trains, boats, and most other heavy-duty applications. The inherent benefits of diesel engine are high thermal efficiency and specific power output, but there is a concern about high levels of engine-out NOx and particulate matter emissions, which is a major contributor in environment pollution. Moreover, concern about the crisis of crude oil reserves, increasing gas price, trade deficit, and homeland security enhances the interests in alternative fuels. Unlike conventional diesel fuel, alternative fuels have wide range of properties, such as volatility, cetane number, density, viscosity and lower heating value, which influence the behavior of fuel and formation of products. Therefore, it is necessary to understand the effect of these fuel properties on autoignition, combustion, performance, and emissions under compression ignition conditions to evaluate the operational capability of diesel engines fueled with alternative fuels. This dissertation covers a detailed investigation of the autoignition, combustion, and emission characteristics of alternative fuels and their surrogates in a constant volume vessel of Ignition Quality Tester (IQT), optically accessible rapid compression machine (RCM), and Partnership for Next Generation of Vehicle (PNGV) single cylinder diesel engine. Experimental data and simulation results indicate that the fuel properties, such as cetane number and volatility, influence the autoignition and combustion processes in diesel engine environment.

Author:
Publisher:
ISBN:
Category : Mechanical engineering
Languages : en
Pages : 204

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Author: Scott P. Mislevy
Publisher:
ISBN:
Category :
Languages : en
Pages : 282

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Author: Yuh-Yih Wu
Publisher:
ISBN:
Category :
Languages : en
Pages : 236

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Author: Ritu Gaur
Publisher: GRIN Verlag
ISBN: 3346061124
Category : Technology & Engineering
Languages : en
Pages : 22

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Research Paper (postgraduate) from the year 2019 in the subject Engineering - Chemical Engineering, , course: M.TECH, language: English, abstract: This work is an experimental study for the measurement of ignition delay characteristics of burning fuel sprays in cylindrical combustion chambers. It is carried out on hot air and high pressure. The objective of the study is to investigation the effect of hot air temperature and a well as high pressure on ignition delay of diesel fuel sprays. The effect of blending of n-Pentane with pure diesel was investigated. An experimental set up was design for this purpose with the emphasis on optical method for measurement of ignition delay at various pressures. The results presented here show that ignition delay of diesel fuel spray decreases with increase in the temperature and pressure of hot air. Results also show the effect of methyl group being more dominant at low ignition temperatures and that of alkyl group being more dominant at higher temperature. Blending of n-pentane with diesel fuel, increase its ignition delay at low ignition temperatures. However, as the concentration of blending fuel was increased beyond 30%, the ignition temperature increase. Ignition temperature for 40% pentane blends is much higher that the pure diesel.