Results 171 to 180 of about 4,697 (226)
Evaluation of MWCNTs as Nanoadditives in a Propanol-Biodiesel-Diesel Mixture on Compression Ignition Engine Characteristics. [PDF]
ACS OmegaÇelebi Y +4 more
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Effect of Turbulence on HCCI Combustion
SAE Technical Paper Series, 2007 <div class="htmlview paragraph">This paper presents large eddy simulation (LES) and experimental studies of the combustion process of ethanol/air mixture in an experimental optical HCCI engine. The fuel is injected to the intake port manifolds to generate uniform fuel/air mixture in the cylinder.
R. X. Yu +9 more
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, 2014 HCCI (Homogeneous Charge Compression Ignition) is a very control-intensive combustion concept which has been studied for over a decade because of its favorable combination of high efficiency and low emissions. Various optimal control methods have been applied to HCCI and this chapter gives an overview of them.
Tunestål, Per, Per Tunestål
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Aplikačné možnosti HCCI technológie
Technológ, 2023 This text describes the current state of the art of HCCI technology, which is based on combining the characteristics of a petrol and diesel engine. HCCI engines offer higher fuel efficiency and lower nitrogen oxide emissions. However, they also have disadvantages such as limited load range, control complexity and cold weather starting problems.
Matúš Lavčák, Michal Puškár
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, 2012 Due to the possibility of increased efficiency and reduced emissions, Homogeneous Charge Compression Ignition (HCCI) is a promising alternative to conventional internal combustion engines. Ignition timing in HCCI is highly sensitive to operating conditions and lacks direct actuation, making it a challenging subject for closed-loop control.
Anders Widd +2 more
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Numerical Simulations of Pre-Chamber Induced HCCI Combustion (PC-HCCI)
SAE Technical Paper Series, 2023<div class="section abstract"><div class="htmlview paragraph">Advanced combustion concepts that rely on the lean-burn approach are a proven solution for increasing the efficiency and reducing the harmful emissions of SI engines. The pre-chamber spark ignited (PCSI) engines utilize high ignition energy of the multiple jets penetrating from ...
Krajnović, Josip +5 more
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A review of hydrogen and natural gas addition in diesel HCCI engines [PDF]
Renewable and Sustainable Energy Reviews, 2014 Homogeneous charge compression ignition (HCCI) engine uses a relatively new mode of combustion technology. In principle, there is no spark plug or injector to assist the combustion, and the combustion auto-ignites in multiple spots once the mixture has ...
Abdul Aziz Hairuddin, Talal Yusaf
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Modeling for control of HCCI engines
Proceedings of the 2003 American Control Conference, 2003., 2004The goal of this work is to accurately predict the phasing of homogeneous charge compression ignition (HCCI) combustion for a single cylinder research engine using variable valve actuation (VVA) at Stanford University. Three simple single-zone models were developed and compared with experiment.
Gregory M. Shaver +4 more
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SI and HCCI Combustion Mode Transition Control of an HCCI Capable SI Engine
IEEE Transactions on Control Systems Technology, 2013The combustion mode transition between spark ignition (SI) and homogeneous charge compression ignition (HCCI) combustion of an internal combustion (IC) engine is challenging due to the distinct engine operating parameters over the two combustion modes and the cycle-to-cycle residue gas dynamics during the mode transition.
Xiaojian Yang, Guoming Zhu 0001
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