Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Jari Hyvönen"'
Autor:
Alireza Kakoee, Maciej Mikulski, Aneesh Vasudev, Martin Axelsson, Jari Hyvönen, Mohammad Mahdi Salahi, Amin Mahmoudzadeh Andwari
Publikováno v:
Energies, Vol 17, Iss 10, p 2370 (2024)
Reactivity-controlled compression ignition (RCCI) is a promising new combustion technology for marine applications. It has offered the potential to achieve low NOx emissions and high thermal efficiency, which are both important considerations for mar
Externí odkaz:
https://doaj.org/article/1da16bd040274686b3fb5b8fc0142d28
Autor:
Amin Modabberian, Xiaoguo Storm, Amir-Mohammad Shamekhi, Aneesh Vasudev, Kai Zenger, Jari Hyvönen, Maciej Mikulski
Publikováno v:
Applied Sciences, Vol 14, Iss 5, p 2033 (2024)
The increase of popularity of reactivity-controlled compression ignition (RCCI) is attributed to its capability of achieving ultra-low nitrogen oxides (NOx) and soot emissions with high brake thermal efficiency (BTE). The complex and nonlinear nature
Externí odkaz:
https://doaj.org/article/2e2ae335e2a7437db07ecf5c23173c4f
Autor:
Menno Merts, Saeed Derafshzan, Jari Hyvönen, Mattias Richter, Marcus Lundgren, Sebastian Verhelst
Publikováno v:
Fuel Communications, Vol 9, Iss , Pp 100037- (2021)
Driven by the Paris agreement and tightening IMO regulations, the marine sector is focusing on lowering engine emissions and moving to low-carbon fossil or renewable fuel such as methane. The dual-fuel concept allows the usage of methane as main ener
Externí odkaz:
https://doaj.org/article/a7bd17a131a9492e8d087ab1f9e6979e
Publikováno v:
Energies, Vol 13, Iss 10, p 2575 (2020)
This paper presents an approach to a new engine calibration method that takes the engine’s operational profile into account. This method has two main steps: modeling and optimization. The Design of Experiments method is first conducted to model the
Externí odkaz:
https://doaj.org/article/03abd1728ca9457cbecc83f3fdb880d3
Autor:
Bulut Tekgül, Shervin Karimkashi, Ossi Kaario, Heikki Kahila, Éric Lendormy, Jari Hyvönen, Ville Vuorinen
Publikováno v:
Combustion Theory and Modelling. 26:590-611
In this study, we investigate the effect of different split injection strategies on ignition delay time (IDT) and heat release rate (HRR) characteristics in Reactivity Controlled Compression Ignition conditions via large-eddy simulation and finite-ra
A phenomenological model for the description of unburned hydrocarbons emission in ultra-lean engines
Publikováno v:
International Journal of Engine Research. 23:995-1011
The adoption of lean-burn concepts for internal combustion engines working with a homogenous air/fuel charge is under development as a path to simultaneously improve thermal efficiency, fuel consumption, nitric oxides, and carbon monoxide emissions.
Autor:
Vincenzo De Bellis, Enrica Malfi, Alfredo Lanotte, Giovanni Fasulo, Fabio Bozza, Alberto Cafari, Gennaro Caputo, Jari Hyvönen
Increasingly stringent pollutant and CO2 emission standards require engine manufacturers to investigate innovative solutions. Among these techniques, low-temperature combustion (LTC) concepts have a large potential to simultaneously reduce NOx emissi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a843f95e8552450eb33cb09ac1a50501
http://hdl.handle.net/11588/895138
http://hdl.handle.net/11588/895138
Publikováno v:
IFAC-PapersOnLine. 53:13970-13975
Novel combustion concepts and multi-injection cylinder-wise control methods are needed in large marine diesel engines for increased performance and to reduce the green house gas emissions. Even though diesel technology in cars might be reducing there
Autor:
Andrea Piano, Francesco Accurso, Jari Hyvönen, Federico Millo, Gennaro Caputo, Alberto Cafari
Dual fuel engines, powered by natural gas and ignited by a small quantity of diesel fuel, have emerged in marine and power generation sectors as extremely attractive solutions due to their low emissions and fuel flexibility. However, the stricter emi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63e0c4f9628a7754e01fc1205b20a564
http://hdl.handle.net/11583/2899152
http://hdl.handle.net/11583/2899152
Autor:
Jari Hyvönen, Senthil Krishnan Mahendar, Andreas Cronhjort, Anders Christiansen Erlandsson, Beichuan Hong
Publikováno v:
ASME 2020 Internal Combustion Engine Division Fall Technical Conference.
Large bore marine engines are a major source of fossil fuel consumption in the transport sector. The development of more efficient and cleaner marine engine systems are always required. Exergy analysis is a second-law based approach to indicate the m