Results 31 to 40 of about 3,083 (233)

An Experimental Investigation of the Effects of Acetone, Tetrahydrofuran and N-heptane Fuel Blends on HCCI Combustion and Engine Performance

open access: yesGazi Üniversitesi Fen Bilimleri Dergisi, 2019
In the current study, a single cylinder, four stroke gasoline engine was converted to HCCI engine. HCCI engine was run at 1400 rpm, between λ=1.9 and λ=2.74 lambda values with n-heptane, acetone/n-heptane (A20N80) and tetrahydrofuran/n-heptane (F20N80 ...
Bilal AYDOĞAN   +2 more
doaj   +1 more source

Homogeneous Charge Compression Ignition Combustion: Challenges and Proposed Solutions

open access: yesJournal of Combustion, 2013
Engine and car manufacturers are experiencing the demand concerning fuel efficiency and low emissions from both consumers and governments. Homogeneous charge compression ignition (HCCI) is an alternative combustion technology that is cleaner and more ...
Mohammad Izadi Najafabadi   +1 more
doaj   +1 more source

Effect of inlet valve timing and water blending on bioethanol HCCI combustion using forced induction and residual gas trapping [PDF]

open access: yes, 2008
This is the post-print version of the final paper published in Fuel. The published article is available from the link below. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other ...
Yap, D   +3 more
core   +1 more source

Comparative Study of Performance and Emission Characteristics between Spark Ignition Engine and Homogeneous Charge Compression Ignition Engine (HCCI)

open access: yesAl-Khawarizmi Engineering Journal, 2017
Many researchers consider Homogeneous Charge Compression Ignition (HCCI) engine mode as a promising alternative to combustion in Spark Ignition and Compression Ignition Engines. The HCCI engine runs on lean mixtures of fuel and air, and the combustion is
Nahedh Mahmood Ali
doaj   +1 more source

Theoretical limits of scaling-down internal combustion engines [PDF]

open access: yes, 2010
Small-scale energy conversion devices are being developed for a variety of applications; these include propulsion units for micro aerial vehicles (MAV). The high specific energy of hydrocarbon and hydrogen fuels, as compared to other energy storing means,
Sher, E., Sher, Ilai, I. Sher, E. Sher
core   +1 more source

Research on Homogeneous Charge Compression Ignition Combustion of Intake Port Exhaust Gas Recirculation Based on Cam Drive Hydraulic Variable Valve Actuation Mechanism

open access: yesEnergies, 2022
The thermal efficiency of an efficient gasoline engine is only about 40% and it will produce a large number of harmful products. Curbing harmful emissions and enhancing thermal efficiency have always been the goals pursued and emission regulations are ...
Linghai Han   +6 more
doaj   +1 more source

SYSTEM FOR ANALYSIS AND CORRECTION OF MOTOR MANAGEMENT [PDF]

open access: yesScientific Journal of Silesian University of Technology. Series Transport, 2021
The innovative system, which was developed for analysis and correction of motor management, is determined for the solution of practical problems concerning the operation of the piston combustion engines.
Michal PUŠKÁR   +3 more
doaj   +1 more source

Implementation of thermal and fuel stratification strategies to extend the load limit of HCCI engine

open access: yesJournal of Thermal Science and Technology, 2019
The HCCI engine can be a possible potential engine technology that gives high performance with fewer dangerous exhaust emissions. In HCCI engines, low-temperature combustion of lean, highly premixed charge effectively reduces the NOX and soot.
Amit KARWADE, Shashikant THOMBRE
doaj   +1 more source

Analysis the optimum inlet air temperature for controlling homogeneous charge compression ignition (HCCI) engine

open access: yesAlexandria Engineering Journal, 2018
Homogeneous charge compression ignition engine is promising replacement for conventional CI diesel engine with lower oxides of nitrogen (NOx) and smoke emissions and improves the thermal efficiency with consume less amount of fuel.
S. Gowthaman, A.P. Sathiyagnanam
doaj   +1 more source

Effective reduction of in-cylinder peak pressures in Homogeneous Charge Compression Ignition Engine – A computational study

open access: yesAlexandria Engineering Journal, 2015
HCCI mode of combustion is known for simultaneous reduction of NOx and PM emissions besides yielding low specific fuel consumption. The nature of volumetric combustion of HCCI engine leads to the development of high peak pressures inside the combustion ...
T. Karthikeya Sharma   +2 more
doaj   +1 more source

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