Ossi Kaario
Associate Professor
Associate Professor
T212 Department of Energy and Mechanical Engineering
Full researcher profile
https://research.aalto.fi/...
Sähköposti
[email protected]
Puhelinnumero
+358503012051
Osaamisalueet
Combustion, Sprays, CFD, Numerical modelling, Internal combustion engines, LES, Turbulence, Large Eddy Simulation, RANS
Tutkimusryhmät
- Energiakonversio ja järjestelmät, Professori (Associate Professor)
Julkaisut
Ammonia as a sustainable fuel
Qiang Cheng, Akram Muhammad, Ossi Kaario, Zeeshan Ahmad, Larmi Martti
2025
Renewable and Sustainable Energy Reviews
Experimental Study on Engine Performance Fueled with Ammonia-Hydrogen Blend Ignited by Diesel Pilot
Muhammad Saad Akram, Qiang Cheng, Maryam Yeganeh, Ossi Kaario, Martti Larmi
2024
SAE Technical Papers
Superheated fuel sprays : A comparative study of flash boiling ammonia fuel sprays with methanol, ethanol, and gasoline for multi-hole fuel injection
Muhammad Saad Akram, Qiang Cheng, Ossi Kaario, Martti Larmi
2024
Case Studies in Thermal Engineering
Fuel-air mixing in motored CFR engine at research octane number (RON) relevant condition
Atmadeep Bhattacharya, Karri Keskinen, Martti Larmi, Pinaki Pal, Yuri Kroyan, Teemu Sarjovaara, Ossi Kaario
2024
International Journal of Engine Research
Spray Ignition of Primary Reference Fuels Blended with Ethanol and 2,5-Dimethylfuran
Atmadeep Bhattacharya, Ossi Kaario, Basem Eraqi, Shashank Sakleshpur Nagaraja, Mani Sarathy
2024
SAE Technical Papers
2D Diesel Spray Droplet Size Mapping Based on Planar Laser Induced Fluorescence and Mie-Scattering Technique Using Sparsity Deconvolution
Qiang Cheng, Viljam Grahn, Muhammad Akram, Jari Hyvonen, Ossi Kaario, Martti Larmi
2024
SAE Technical Papers
Embedded direct numerical simulation of ignition kernel evolution and flame initiation in dual-fuel spray assisted combustion
Mahmoud Gadalla, Shervin Karimkashi, Islam Kabil, Ossi Kaario, Tianfeng Lu, Ville Vuorinen
2024
Combustion and Flame
A comparative study on methanol and n-dodecane spray flames using Large-Eddy Simulation
Ossi Tapani Kaario, Shervin Karimkashi, Atmadeep Bhattacharya, Ville Vuorinen, Martti Larmi, Xue Song Bai
2024
Combustion and Flame
A skeletal mechanism for n-dodecane/ammonia combustion and an open-source reaction scheme optimization tool
Adnan Tolga Kurumus, Atmadeep Bhattacharya, Parsa Tamadonfar, Ossi Kaario
2024
Fuel
LES-TFM modeling of hydrogen combustion in internal combustion engines
Bayazid Mahmoodi, Parsa Tamadonfar, Atmadeep Bhattacharya, Ossi Kaario
2024
THIESEL 2024 Conference on Thermo- and Fluid Dyamics of Clean Propulsion Powerplants
Super adiabatic combustion of H2/Air and H2/N2O mixtures
Jennifer Schurr, Atmadeep Bhattacharya, Alexander A. Konnov, Ossi Kaario
2024
Combustion and Flame
Temperature Stratification Induced Ignition Regimes for Gasoline Surrogates at Engine-Relevant Conditions
Ali Shahanaghi, Shervin Karimkashi, Ossi Kaario, Ville Vuorinen, Teemu Sarjovaara, Rupali Tripathi
2024
Combustion Science and Technology
Impact of modelling assumptions in cavitating flow of simplified injector
Stanislau Stasheuski, Karri Keskinen, David P. Schmidt, Ville Vuorinen, Jari Hyvönen, Ossi Kaario
2024
International Journal of Multiphase Flow
A numerical study on premixed laminar ammonia/air flames enriched with hydrogen : An analysis on flame–wall interaction
Parsa Tamadonfar, Shervin Karimkashi, Thorsten Zirwes, Ville Vuorinen, Ossi Kaario
2024
Combustion and Flame
A study of flame dynamics and structure in premixed turbulent planar NH3/H2/air flames
Parsa Tamadonfar, Shervin Karimkashi, Ossi Kaario, Ville Vuorinen
2024
International Journal of Engine Research
Performance of a Methanol-Fueled Direct-Injection Compression-Ignition Heavy-Duty Engine under Low-Temperature Combustion Conditions
Mark Treacy, Leilei Xu, Hesameddin Fatehi, Ossi Kaario, Xue Song Bai
2024
Energies
Experimental investigations of hydrogen pre-ignition phenomenon induced by two different lubricating oils in a rapid compression expansion machine
Maryam Yeganeh, Kristian Rönn, Shervin Karimkashi, Qiang Cheng, Ponnya Hlaing, Jari Hyvönen, Ville Vuorinen, Ossi Kaario, Martti Larmi
2024
Proceedings of the Combustion Institute
Experimental study of hydrogen jet dynamics : Investigating free momentum and impingement phenomena
Maryam Yeganeh, Muhammad Saad Akram, Qiang Cheng, Shervin Karimkashi, Ossi Kaario, Martti Larmi
2024
International Journal of Hydrogen Energy
Experimental Study on Flash Boiling of Ammonia Fuel Sprays - A Potential Alternative Fuel
Muhammad Saad Akram, Maryam Yeganeh, Qiang Cheng, Ossi Kaario, Martti Larmi
2023
SAE Technical Papers
On the super adiabatic flame temperature (SAFT) of toluene primary reference fuels
Giang Bui, Atmadeep Bhattacharya, Ossi Kaario, Ville Vuorinen, Rupali Tripathi, Teemu Sarjovaara
2023
Fuel
Hyperspectral image reconstruction from colored natural flame luminosity imaging in a tri-fuel optical engine
Qiang Cheng, Shervin Karimkashi, Zeeshan Ahmad, Ossi Kaario, Ville Vuorinen, Martti Larmi
2023
Scientific Reports
Optical Investigation of the Diesel Spray Characteristics and Spray Geometry Prediction Model by Artificial Neural Network
Qiang Cheng, Zeeshan Ahmad, Viljam Grahn, Jari Hyvönen, Ossi Kaario, Martti Larmi
2023
SAE Technical Papers
Numerical evidence on deflagration fronts in a methane/n-dodecane dual-fuel shear layer under engine relevant conditions
Jeevananthan Kannan, Shervin Karimkashi, Mahmoud Gadalla, Ossi Kaario, Ville Vuorinen
2023
Fuel
Large-eddy simulation of diesel pilot spray ignition in lean methane-air and methanol-air mixtures at different ambient temperatures
Shervin Karimkashi, Mahmoud Gadalla, Jeevananthan Kannan, Bulut Tekgül, Ossi Kaario, Ville Vuorinen
2023
International Journal of Engine Research
A Numerical Investigation on Effects of Hydrogen Enrichment and Turbulence on NO Formation Pathways in Premixed Ammonia/Air Flames
Shervin Karimkashi Arani, Parsa Tamadonfar, Ossi Kaario, Ville Vuorinen
2023
Combustion Science and Technology
Large-eddy simulation of buoyant airflow in an airborne pathogen transmission scenario
Alpo Laitinen, Marko Korhonen, Karri Keskinen, Ossi Kaario, Ville Vuorinen
2023
Building and Environment
Low-speed pre-ignition and super-knock in boosted spark-ignition engines : A review
Kristian Rönn, Andre Swarts, Vickey Kalaskar, Terry Alger, Rupali Tripathi, Juha Keskiväli, Ossi Kaario, Annukka Santasalo-Aarnio, Rolf Reitz, Martti Larmi
2023
Progress in Energy and Combustion Science
A Diagnostic Approach to Assess the Effect of Temperature Stratification on the Combustion Modes of Gasoline Surrogates
Ali Shahanaghi, Shervin Karimkashi, Ossi Kaario, Ville Vuorinen, Rupali Tripathi, Teemu Sarjovaara
2023
Combustion Science and Technology
Efficient two-dimensional simulation of primary reference fuel ignition under engine-relevant thermal stratification
A. Shahanaghi, S. Karimkashi, O. Kaario, V. Vuorinen
2023
PHYSICS OF FLUIDS
A Numerical Study on Premixed Turbulent Planar Ammonia/Air and Ammonia/Hydrogen/Air Flames : An Analysis on Flame Displacement Speed and Burning Velocity
Parsa Tamadonfar, Shervin Karimkashi, Ossi Kaario, Ville Vuorinen
2023
Flow Turbulence and Combustion
Prediction of heavy-duty engine performance for renewable fuels based on fuel property characteristics
Michał Wojcieszyk, Yuri Kroyan, Ossi Kaario, Martti Larmi
2023
Energy
Experimental and Numerical Study of a Low-Pressure Hydrogen Jet under the Effect of Nozzle Geometry and Pressure Ratio
Maryam Yeganeh, Samuel Rabensteiner, Shervin Karimkashi, Qiang Cheng, Ossi Kaario, Martti Larmi
2023
SAE Technical Papers
Visualization and comparison of methane and hydrogen jet dynamics using schlieren imaging
Maryam Yeganeh, Qiang Cheng, Aishwarya Dharamsi, Shervin Karimkashi Arani, Juho Kuusela-Opas, Ossi Kaario, Martti Larmi
2023
Fuel
Effect of negative valve overlap in a heavy-duty methanol-diesel dual-fuel engine : A pathway to improve efficiency
Zeeshan Ahmad, Ossi Kaario, Cheng Qiang, Martti Larmi
2022
Fuel
Dynamics of the Ammonia Spray Using High-Speed Schlieren Imaging
Qiang Cheng, Katriina Ojanen, Yantao Diao, Ossi Kaario, Martti Larmi
2022
SAE Technical Papers
Effect of Hydrogen Enhancement on Natural Flame Luminosity of Tri-Fuel Combustion in an Optical Engine
Qiang Cheng, Zeeshan Ahmad, Ossi Kaario, Ville Vuorinen, Martti Larmi
2022
Energies
Effects of hydrogen enrichment and turbulence intensity on the combustion mode in locally stratified dual-fuel mixtures of n-dodecane/methane
Shervin Karimkashi Arani, Ossi Kaario, Ville Vuorinen
2022
Applications in Energy and Combustion Science
Effects of wet combustion on NOx emissions reduction in laminar premixed ammonia/hydrogen/air flames: an analysis of NO formation pathways
Shervin Karimkashi Arani, Parsa Tamadonfar, Ossi Kaario, Ville Vuorinen
2022
1st Symposium on Ammonia Energy
The Impact of Octane Number Boosters on Knock Characteristics in a Cooperative Fuel Research (CFR) Engine
Karri Keskinen, Atmadeep Bhattacharya, Ossi Kaario, Otto Blomstedt, Olli Ranta, Rupali Tripathi, Teemu Sarjovaara
2022
SAE Technical Papers
Modeling the impact of sustainable aviation fuel properties on end-use performance and emissions in aircraft jet engines
Yuri Kroyan, Michał Wojcieszyk, Ossi Kaario, Martti Larmi
2022
Energy
Modelling the end-use performance of alternative fuel properties in flex-fuel vehicles
Yuri Kroyan, Michał Wojcieszyk, Ossi Kaario, Martti Larmi
2022
Energy Conversion and Management
Fast reactive flow simulations using analytical Jacobian and dynamic load balancing in OpenFOAM
Ilya Morev, Bulut Tekgül, Mahmoud Gadalla, Ali Shahanaghi, Jeevananthan Kannan, Shervin Karimkashi, Ossi Kaario, Ville Vuorinen
2022
PHYSICS OF FLUIDS
A Study of Flame Dynamics and Structure in Premixed Turbulent Planar NH3/H2/Air Flames
Parsa Tamadonfar, Shervin Karimkashi Arani, Ossi Kaario, Ville Vuorinen
2022
THIESEL 2022 Conference on Thermo- and Fluid Dynamics of Clean Propulsion Powerplants
Inner Flame Front Structures and Burning Velocities of Premixed Turbulent Planar Ammonia/Air and Methane/Air Flames
Parsa Tamadonfar, Shervin Karimkashi, Ossi Kaario, Ville Vuorinen
2022
FLOW TURBULENCE AND COMBUSTION
Large-eddy simulation of split injection strategies in RCCI conditions
Bulut Tekgul, Shervin Karimkashi, Ossi Kaario, Heikki Kahila, Eric Lendormy, Jari Hyvönen, Ville Vuorinen
2022
Combustion Theory and Modelling
Experimental and Numerical Investigation of Hydrogen Jet-Wall Impingement
Maria Yeganeh, Samuel Rabensteiner, Qiang Cheng, Olli Ranta, Shervin Karimkashi Arani, Ossi Kaario, Martti Larmi
2022
SAE Technical Papers
Effect of pilot fuel properties on lean dual-fuel combustion and emission characteristics in a heavy-duty engine
Zeeshan Ahmad, Ossi Kaario, Cheng Qiang, Martti Larmi
2021
Applied Energy
Effects of ethane addition on diesel-methane dual-fuel combustion in a heavy-duty engine
Zeeshan Ahmad, Ossi Kaario, Shervin Karimkashi, Cheng Qiang, Ville Vuorinen, Martti Larmi
2021
Fuel
Optical fuel spray characterization of hydrotreated vegetable oil, en590 diesel, and ethanol
Muhammad Saad Akram, Ari Ainsalo, Teemu Anttinen, Ossi Kaario, Martti Larmi
2021
Atomization and Sprays
Effects of blending 2,5-dimethylfuran and dimethyl ether to toluene primary reference fuels
Atmadeep Bhattacharya, Ali Shahanaghi, Ossi Kaario, Ville Vuorinen, Rupali Tripathi, Teemu Sarjovaara
2021
Fuel
Effect of pilot fuel properties on engine performance and combustion stability in a tri-fuel engine powered by premixed methane-hydrogen and diesel pilot
Qiang Cheng, Ossi Kaario, Zeeshan Ahmad, Ville Vuorinen, Martti Larmi
2021
International Journal of Hydrogen Energy
Experimental study on tri-fuel combustion using premixed methane-hydrogen mixtures ignited by a diesel pilot
Qiang Cheng, Zeeshan Ahmad, Ossi Kaario, Ville Vuorinen, Martti Larmi
2021
International Journal of Hydrogen Energy
Large-eddy simulation of tri-fuel combustion
Mahmoud Gadalla, Jeevananthan Kannan, Bulut Tekgul, Shervin Karimkashi, Ossi Kaario, Ville Vuorinen
2021
International Journal of Hydrogen Energy
A numerical performance study of a fixed-bed reactor for methanol synthesis by CO2 hydrogenation
Daulet Izbassarov, Judit Nyári, Bulut Tekgül, Erkki Laurila, Tanja Kallio, Annukka Santasalo-Aarnio, Ossi Kaario, Ville Vuorinen
2021
International Journal of Hydrogen Energy
Large-eddy simulation of tri-fuel ignition
Jeevananthan Kannan, Mahmoud Gadalla, Bulut Tekgül, Shervin Karimkashi, Ossi Kaario, Ville Vuorinen
2021
Combustion Theory and Modelling
Methanol as a hydrogen carrier
Martti Larmi, Michal Wojcieszyk, Annukka Santasalo-Aarnio, Judit Nyari, Zeeshan Ahmad, Ossi Kaario, Markus Laitinen
2021
NACHHALTIGKEIT IN MOBILITÄT, TRANSPORT UND ENERGIEERZEUGUNG
DLBFoam
Bulut Tekgül, Petteri Peltonen, Heikki Kahila, Ossi Kaario, Ville Vuorinen
2021
Computer Physics Communications
Large-eddy simulation of spray assisted dual-fuel ignition under reactivity-controlled dynamic conditions
Bulut Tekgül, Heikki Kahila, Shervin Karimkashi, Ossi Kaario, Zeeshan Ahmad, Éric Lendormy, Jari Hyvönen, Ville Vuorinen
2021
Fuel
Impact of Ethane Enrichment on Diesel-Methane Dual-Fuel Combustion
Zeeshan Ahmad, Ossi Kaario, Qiang Cheng, Martti Larmi
2020
SAE Technical Papers
Analysis of Gasoline Surrogate Combustion Chemistry with a Skeletal Mechanism
Atmadeep Bhattacharya, Ossi Kaario, Ville Vuorinen, Rupali Tripathi, Teemu Sarjovaara
2020
SAE Technical Papers
Simultaneous Visualization of Natural Luminosity and Chemiluminescence of Dual Fuel Combustion in an Optically Accessible Engine
Qiang Cheng, Zeeshan Ahmad, Ossi Kaario, Martti Larmi
2020
SAE Technical Papers
High-pressure direct injection of methanol and pilot diesel
Yabin Dong, Ossi Kaario, Ghulam Hassan, Olli Ranta, Martti Larmi, Bengt Johansson
2020
Fuel
Large-Eddy Simulation of ECN Spray A
Mahmoud Gadalla, Jeevananthan Kannan, Bulut Tekgul, Shervin Karimkashi, Ossi Kaario, Ville Vuorinen
2020
Energies
Large eddy simulation of diesel spray–assisted dual-fuel ignition
Jeevananthan Kannan, Mahmoud Gadalla, Bulut Tekgül, Shervin Karimkashi, Ossi Kaario, Ville Vuorinen
2020
International Journal of Engine Research
A numerical study on combustion mode characterization for locally stratified dual-fuel mixtures
Shervin Karimkashi, Heikki Kahila, Ossi Kaario, Martti Larmi, Ville Vuorinen
2020
Combustion and Flame
Numerical study on tri-fuel combustion
Shervin Karimkashi, Heikki Kahila, Ossi Kaario, Martti Larmi, Ville Vuorinen
2020
International Journal of Hydrogen Energy
Blending Behavior of Hydrocarbon and Oxygenate Molecules to Optimize RON and MON for Modern Spark-Ignition Engines (SI)
Lotta Knuutila, Ossi Kaario, Martti Larmi, Annukka Santasalo-Aarnio, Anna Karvo, Ulla Kiiski
2020
SAE Technical Papers
Modeling the end-use performance of alternative fuels in light-duty vehicles
Yuri Kroyan, Michal Wojcieszyk, Ossi Kaario, Martti Larmi, Kai Zenger
2020
Energy
Application of Synthetic Renewable Methanol to Power the Future Propulsion
Annukka Santasalo-Aarnio, Judit Nyari, Michal Wojcieszyk, Ossi Kaario, Yuri Kroyan, Mohamed Magdeldin, Martti Larmi, Mika Järvinen
2020
SAE Technical Papers
Large-eddy simulation of dual-fuel spray ignition at different ambient temperatures
Bulut Tekgül, Heikki Kahila, Ossi Kaario, Ville Vuorinen
2020
Combustion and Flame
Large-eddy simulation of underexpanded natural gas jets
V. Vuorinen, C. Duwig, O. Kaario, M. Larmi, B. J. Boersma
2020
Modelling aerosol transport and virus exposure with numerical simulations in relation to SARS-CoV-2 transmission by inhalation indoors
Ville Vuorinen, Mia Aarnio, Mikko Alava, Ville Alopaeus, Nina Atanasova, Mikko Auvinen, Nallannan Balasubramanian, Hadi Bordbar, Panu Erästö, Rafael Grande, Nick Hayward, Antti Hellsten, Simo Hostikka, Jyrki Hokkanen, Ossi Kaario, Aku Karvinen, Ilkka Kivistö, Marko Korhonen, Risto Kosonen, Janne Kuusela, Sami Lestinen, Erkki Laurila, Heikki J. Nieminen, Petteri Peltonen, Juho Pokki, Antti Puisto, Peter Råback, Henri Salmenjoki, Tarja Sironen, Monika Österberg
2020
Safety Science
A parametric investigation of diesel/methane dual-fuel combustion progression/stages in a heavy-duty optical engine
Zeeshan Ahmad, Ossi Kaario, Cheng Qiang, Ville Vuorinen, Martti Larmi
2019
Applied Energy
Optical investigation of spray characteristics for light fuel oil, kerosene, hexane, methanol and propane
Ari Ainsalo, Reetu Sallinen, Ossi Kaario, Martti Larmi
2019
Atomization and Sprays
Cycle-to-cycle variations of dual-fuel combustion in an optically accessible engine
Qiang Cheng, Zeeshan Ahmad, Ossi Kaario, Martti Larmi
2019
Applied Energy
HVO, RME and diesel fuel combustion in an optically accessible compression ignition engine
Qiang Cheng, Tuomo Hulkkonen, Ossi Kaario, Martti Larmi
2019
Energy and Fuels
Spray dynamics of HVO and EN590 diesel fuels
Qiang Cheng, Tuomo Hulkkonen, Ossi Kaario, Martti Larmi
2019
Fuel
Modeling cycle-to-cycle variations in spark ignited combustion engines by scale-resolving simulations for different engine speeds
M. Ghaderi Masouleh, Karri Keskinen, O. Kaario, H. Kahila, S. Karimkashi, V. Vuorinen
2019
Applied Energy
The effect of fuel on high velocity evaporating fuel sprays
Ossi Tapani Kaario, Ville Vuorinen, Heikki Kahila, Hong G. Im, Martti Larmi
2019
International Journal of Engine Research
A large-eddy simulation study on the influence of diesel pilot spray quantity on methane-air flame initiation
H. Kahila, O. Kaario, Z. Ahmad, M. Ghaderi Masouleh, B. Tekgül, M. Larmi, V. Vuorinen
2019
Combustion and Flame
Large-eddy simulation of dual-fuel ignition
Heikki Kahila, Armin Wehrfritz, Ossi Kaario, Ville Vuorinen
2019
Combustion and Flame
Modeling the Impact of Alternative Fuel Properties on Light Vehicle Engine Performance and Greenhouse Gases Emissions
Yuri Kroyan, Michal Wojcieszyk, Martti Larmi, Ossi Kaario, Kai Zenger
2019
SAE Technical Papers
Effect of Alternative Fuels on Marine Engine Performance
Michal Wojcieszyk, Yuri Kroyan, Martti Larmi, Ossi Kaario, Kai Zenger
2019
SAE Technical Papers
An Optical Characterization of Dual-Fuel Combustion in a Heavy-Duty Diesel Engine
Zeeshan Ahmad, Janak Aryal, Olli Ranta, Ossi Kaario, Ville Vuorinen, Martti Larmi
2018
SAE Technical Papers
Flow and thermal field effects on cycle-to-cycle variation of combustion
M. Ghaderi Masouleh, K. Keskinen, O. Kaario, H. Kahila, Y. M. Wright, V. Vuorinen
2018
Applied Energy
Emission reduction methods and split fuel injection in a marine four-stroke engine
Matteo Imperato, Ossi Kaario, Martti Larmi, Teemu Sarjovaara
2018
Journal of Marine Science and Technology
Large-Eddy Simulation on the Influence of Injection Pressure in Reacting Spray A
Heikki Kahila, Armin Wehrfritz, Ossi Kaario, Mahdi Ghaderi Masouleh, Noud Maes, Bart Somers, Ville Vuorinen
2018
Combustion and Flame
Numerical assessment of wall modelling approaches in scale-resolving in-cylinder simulations
Karri Keskinen, Jann Koch, Yuri M. Wright, Martin Schmitt, Mika Nuutinen, Ossi Kaario, Ville Vuorinen, Martti Larmi, Konstantinos Boulouchos
2018
International Journal of Heat and Fluid Flow
Biofuel blend late post-injection effects on oil dilution and diesel oxidation catalyst performance
Aki Tilli, Tuomo Hulkkonen, Ossi Kaario, Martti Larmi, Teemu Sarjovaara, Kalle Lehto
2018
International Journal of Engine Research
An Optical Investigation of Diesel-Pilot and Methane Dual-Fuel Combustion
Zeeshan Ahmad, Janak Aryal, Olli Ranta, Ossi Kaario, Martti Larmi
2017
Effects of Torrefaction on the Physicochemical Characteristics of Sawdust and Rice Husk and Their Pyrolysis Behavior by Thermogravimetric Analysis and Pyrolysis-Gas Chromatography/Mass Spectrometry
Wenfei Cai, Antzela Fivga, Ossi Kaario, Ronghou Liu
2017
Energy and Fuels
Comparative study on chemical kinetic schemes for dual-fuel combustion of n-dodecane/methane blends
M. Ghaderi Masouleh, A. Wehrfritz, O. Kaario, H. Kahila, V. Vuorinen
2017
Fuel
Effects of ethanol enrichment on in-cylinder thermochemical fuel reforming (TFR) spark ignition natural gas engine
Zhuoyao He, Lei Zhu, Zhen Xu, Ossi Kaario, Ang Li, Zhen Huang
2017
Fuel
A New Approach for Modeling Coke Particle Emissions from Large Diesel Engines Using Heavy Fuel Oil
Kristian Hentelä, Ossi Kaario, Vikram Garaniya, Laurie Goldsworthy, Martti Larmi
2017
Proceedings of the SAE 2017 International Powertrains, Fuels and Lubricants Meeting
Late post-injection of biofuel blends in an optical diesel engine
Tuomo Hulkkonen, Aki Tilli, Ossi Kaario, Olli Ranta, Teemu Sarjovaara, Ville Vuorinen, Martti Larmi, Kalle Lehto
2017
International Journal of Engine Research
Mixing and evaporation analysis of a high-pressure SCR system using a hybrid LES-RANS approach
Ossi Tapani Kaario, Ville Vuorinen, Lei Zhu, Martti Larmi, Ronghou Liu
2017
Energy
Hybrid LES/RANS with wall treatment in tangential and impinging flow configurations
Karri Keskinen, Mika Nuutinen, Ossi Kaario, Ville Vuorinen, Jann Koch, Yuri M. Wright, Martti Larmi, Konstantinos Boulouchos
2017
International Journal of Heat and Fluid Flow
Dual-Fuel Combustion Characterization on Lean Conditions and High Loads
Rasmus Pettinen, Ossi Kaario, Martti Larmi
2017
Proceedings of the SAE World Congress Experience, WCX'17
Influence of the in-cylinder gas density and fuel injection pressure on the combustion characteristics in a large-bore diesel engine
Matteo Imperato, Ossi Kaario, Teemu Sarjovaara, Martti Larmi
2016
International Journal of Engine Research
Split fuel injection and Miller cycle in a large-bore engine
Matteo Imperato, Ossi Kaario, Teemu Sarjovaara, Martti Larmi
2016
Applied Energy
Influence of mesh deformation on the quality of large eddy simulations
Jukka Pekka Keskinen, Ville Vuorinen, Ossi Kaario, Martti Larmi
2016
International Journal for Numerical Methods in Fluids
Mixture formation in a direct injection gas engine
Karri Keskinen, Ossi Kaario, Mika Nuutinen, Ville Vuorinen, Zaira Künsch, Lars Ola Liavåg, Martti Larmi
2016
Energy
Nonlinear time series analysis from large eddy simulation of an internal combustion engine
Jukka-Pekka Keskinen, Ville Vuorinen, Ossi Kaario
2016
International Journal of Heat and Fluid Flow
Modeling and simulation of air-assist atomizers with applications to food sprays
Franz X. Tanner, Kathleen Feigl, Ossi Kaario, Erich J. Windhab
2016
Applied Mathematical Modelling
Large Eddy Simulation of n-dodecane spray flames using Flamelet Generated Manifolds
Armin Wehrfritz, Ossi Kaario, Ville Vuorinen, Bart Somers
2016
Combustion and Flame
Experimental study of conical diesel nozzle orifice geometry
Tuomo Hulkkonen, Teemu Sarjovaara, Ossi Kaario, Martti Larmi, Ismo Hämäläinen
2015
Atomization and Sprays
Large eddy simulation of a pistoncylinder assembly: The sensitivity of the in-cylinder flow field for residual intake and in-cylinder velocity structures
Jukka-Pekka Keskinen, Ville Vuorinen, Ossi Kaario, Martti Larmi
2015
Computers and Fluids
Partially premixed combustion in a low load operated power plant engine
Kendra Shrestha, O. Kaario, M. Imperato, T. Sarjovaara, M. Larmi, L. Liavåg, C. Wik
2015
Industrial Combustion
Comparing Breakup Models in a Novel High Injection Pressure SCR System using Polyhedral Meshing
Ossi Kaario, Teemu Sarjovaara, Olli Ranta, Tuomo Hulkkonen, Karri Keskinen, Martti Larmi, Sauli Halonen, Arno Amberla
2014
SAE Technical Papers
Imbalance wall functions with density and material property variation effects applied to engine heat transfer computational fluid dynamics simulation
Mika Nuutinen, Ossi Kaario, Ville Vuorinen, Martti Larmi, Paul Nwosu
2014
International Journal of Engine Research
Modification of the CAB Model for Air-Assist Atomization of Food Sprays
F.X. Tanner, K.A. Feigl, O. Kaario, B. Dubey, E.J. Windhab
2014
ILASS Americas 26th Annual Conference on Liquid Atomization and Spray Systems, Portland OR, May 2014
Turbulence During the Compression Stroke
Eero Antila, Ossi Kaario, Mika Nuutinen
2013
Cimac, Shanghai, Kiina, 13.-16.5.2013
Large Eddy Simulation of High Gas Density Effects in Fuel Sprays
Ossi Kaario, Ville Vuorinen, Tuomo Hulkkonen, Karri Keskinen, Mika Nuutinen, Martti Larmi, Franz Xavier Tanner
2013
Atomization and Sprays
Effects of Mesh Deformation on the Quality of Large Eddy Simulations
Jukka-Pekka Keskinen, Ville Vuorinen, Ossi Kaario, Martti Larmi
2013
AIAA Aerospace Sciences Fluid Sciences Event, San Diego, California, U.S.A., 24.-27.6.2013
Gas-Based Calibration of a Liquid Dispensing Device
Karri Keskinen, Ossi Kaario
2013
ILASS - Europe 2013, 25th European Conference on Liquid Atomization & Spray Systems
Partially Premixed Combustion (PPC) for low load conditions in a marine engine using computational and experimental technique.Paper # 288
Kendra Shrestha, Ossi Kaario, Matteo Imperato, Teemu Sarjovaara, Martti Larmi
2013
Cimac, Shanghai, Kiina, 13.-16.5.2013
Partially Premixed Combustion (PPC) for low load conditions in marine engine using computational and experimental techniques.
Kendra Shrestha, Ossi Kaario, Matteo Imperato, Teemu Sarjovaara, Martti Larmi
2013
Finnish - Swedish Flame Days, Jyväskylä, Finland, 17.-18.4.2013
Large-Eddy Simulation of Highly Underexpanded Transient Gas Jets
Ville Vuorinen, Yu Jingzhou, Santosh Tirunagari, Ossi Kaario, Martti Larmi, Duwig Christophe, Bendiks Boersma
2013
PHYSICS OF FLUIDS
LARGE EDDY SIMULATION OF HIGH-VELOCITY FUEL SPRAYS: STUDYING MESH RESOLUTION AND BREAKUP MODEL EFFECTS FOR SPRAY A
Armin Wehrfritz, Ville Vuorinen, Ossi Kaario, Martti Larmi
2013
Atomization and Sprays
Characteristics of high pressure jets for direct injection gas engine
Jingzhou Yu, Ville Vuorinen, Ossi Kaario, Teemu Sarjovaara, Martti Larmi
2013
SAE INTERNATIONAL JOURNAL OF FUELS AND LUBRICANTS
Visualization and analysis of the characteristics of transitional underexpanded jets
Jingzhou Yu, Ville Vuorinen, Ossi Kaario, Teemu Sarjovaara, Martti Larmi
2013
International Journal of Heat and Fluid Flow
Analyzing Local Combustion Environment with a Flamelet Model and Detailed Chemistry
Ossi Kaario, Anders Brink, Armin Wehrfritz, Martti Larmi
2012
SAE Technical Papers
Numerical and Experimental Investigation of Fuel Spray Behaviour in Very High Density Environment Using LES
Ossi Kaario, Tuomo Hulkkonen, Ville Vuorinen, Armin Wehrfritz, Karri Keskinen, Martti Larmi
2012
ICLASS, Heidelberg, Germany, 3.-6.9.2012
Improving the Accuracy of 1-D Fuel Injection Modeling
Karri Keskinen, Ossi Kaario, Aki Tilli, Tuomo Hulkkonen, Martti Larmi
2012
SAE Technical Papers
Large Eddy Simulation of the Intake Flow in a Realistic Single Cylinder Configuration
Jukka-Pekka Keskinen, Ville Vuorinen, Ossi Kaario, Martti Larmi
2012
SAE Technical Papers
Analysis of Proper Orthogonal Decomposition and Dynamic Mode Decomposition on LES of Subsonic Jets
Santosh Tirunagari, Ville Vuorinen, Ossi Kaario, Martti Larmi
2012
CSI Journal
Proper Orthogonal Decomposition Analysis of Cross Sectional Fuel Spray Data
Santosh Tirunagari, Tuomo Hulkkonen, Ville Vuorinen, Ossi Kaario, Martti Larmi
2012
ICLASS, Heidelberg, Germany, 3.-6.9.2012
A High Resolution Study of Non-Reacting Fuel Sprays using Large-Eddy Simulations
Armin Wehrfritz, Ville Vuorinen, Ossi Kaario, Martti Larmi
2012
International Conference on Liquid Atomization and Spray Systems; Heidelberg, Germany; September 2-6, 2012
An experimental investigation on the flow structure and mixture formation of low pressure ratio wall-impinging jets by a natural gas injector
Jingzhou Yu, Ville Vuorinen, Harri Hillamo, Teemu Sarjovaara, Ossi Kaario, Martti Larmi
2012
Journal of Natural Gas Science and Engineering
An Experimental Study on High Pressure Pulsed Jets for DI Gas Engine Using Planar Laser-Induced Fluorescence
Jingzhou Yu, Ville Vuorinen, Harri Hillamo, Teemu Sarjovaara, Ossi Kaario, Martti Larmi
2012
SAE Technical Papers
Effect of Turbulence Boundary Conditions to CFD Simulation
Ossi Kaario, Eero Antila, Kalle Lehto
2011
SAE Technical Papers
Studying Equivalence ratio - Temperature Maps in a Heavy-Duty Diesel Engine
Ossi Kaario, Anders Brink, Kalle Lehto, Karri Keskinen, Martti Larmi
2011
The Swedish-Finnish Flame Days, Piteå, Sweden 26. - 27.1.2011
Studying Local Conditions in a Heavy-Duty Diesel Engine by Creating Phi-T Maps
Ossi Kaario, Anders Brink, Kalle Lehto, Karri Keskinen, Martti Larmi
2011
SAE Technical Papers
Effect of Droplet Size and Atomization on Spray Formation
Ville Anton Vuorinen, Harri Hillamo, Ossi Kaario, Mika Nuutinen, Martti Larmi, Laszlo Fuchs
2011
FLOW TURBULENCE AND COMBUSTION
Large-Eddy Simulation of Compressible Jets Using Eulerian-Eulerian Approach
Ville Vuorinen, C Duwig, Ossi Kaario, Martti Larmi, Laslo Fucgs
2011
ILASS - Europe 2011, 24th European Conference on Liquid Atomization and Spray Systems, Estoril, Portugal september 5-7, 2011
Large-Eddy Simulation of Subsonic Jets
Ville Vuorinen, Armin Wehrfritz, Jingzhou Yu, Ossi Kaario, Martti Larmi, Bendiks Jan Boersma
2011
Journal of Physics: Conference Series
Interaction of multiple Fuel Sprays in a Heavy-Duty Diesel Engine
Armin Wehrfritz, Ossi Kaario, Ville Vuorinen, Aki Tilli, Martti Larmi
2011
SAE Technical Papers
Experimental Investigation of Characteristics of Transient Low Pressure Wall-impinging Gas Jet
Jingzhou Yu, Harri Hillamo, Ville Vuorinen, Teemu Sarjovaara, Ossi Kaario, Martti Larmi
2011
The 13th European Turbulence Conference, Warsaw, Poland, September 12-15, 2011
Experimental Study on Structure and Mixing of Low-Pressure Gas Jet Using Tracer-Based PLIF Technique
Jingzhou Yu, Harri Hillamo, Teemu Sarjovaara, Tuomo Hulkkonen, Ossi Kaario, Martti Larmi
2011
SAE Technical Papers
Effect of Intake Channel design to Cylinder Charge and Initial Swirl
Eero Antila, Ossi Kaario, Matteo Imperato, Martti Larmi
2010
SAE Technical Papers
Effect on Intake Channel Design to Cylinder Charge and Initial Swirl
Eero Antila, Ossi Kaario, Matteo Imperato, Martti Larmi
2010
CIMAC Congress, Bergen, 2010
A computational investigation of hydrotreated vegetable oil sprays using RANS and a modified version of the RNG k - ε model in openFOAM
Y. Gong, O. Kaario, A. Tilli, M. Larmi, F. X. Tanner
2010
SAE Technical Papers
Large eddy simulations of hydrotreated vegetable oil sprays using OpenFOAM
Yejun Gong, Franz Tanner, Ossi Kaario, Martti Larmi
2010
International Multidimensional Engine Modeling Meeting, Detroit, USA, April 4, 2010
Diesel Spray Visualization and Shockwaves
Harri Hillamo, Teemu Sarjovaata, Ossi Kaario, Ville Vuorinen, Martti Larmi
2010
Atomization and Sprays
Experimental and Computational Consideration of Fuel Spray Mixing
Harri Hillamo, Ville Vuorinen, Teemu Sarjovaara, Ossi Kaario, Martti Larmi
2010
26th CIMAC World Congress on Combustion Engine Technology, June 14-17, 2010, Bergen, Norway
Real gas effects in high-pressure engine environment
Ossi Kaario, Mika Nuutinen, Kalle Lehto, Martti Larmi
2010
SAE International journal of Engines
The Design of a New Generation Medium- Speed Research Engine
Ossi Kaario, Matteo Imperato, Aki Tilli, Kalle Lehto, Olli Ranta, Eero Antila, Antti Elonheimo, Teemu Sarjovaara, Mika Nuutinen, Martti Larmi, Tommy Rönnskog, Sakari Pisilä, Jukka Tiainen, Ilari Kallio, Harri Rinta-Torala
2010
CIMAC Congress, Bergen, Norge, June 14-17, 2010
Advanced Heat Transfer Modeling with Application to CI Engine CFD Simulations
Mika Nuutinen, Ossi Kaario, Martti Larmi
2010
CIMAC World Congress, Bergen, Norway, June 14-17, 2010
Large-Eddy Simulation of Droplet Stokes Number Effects on Mixture Quality in Fuel Sprays
Ville Vuorinen, Harri Hillamo, Ossi Kaario, Mika Nuutinen, Martti Larmi, Laszlo Fuchs
2010
Atomization and Sprays
Large-Eddy Simulation of Droplet Stokes Number Effects on Turbulent Spray Shape
Ville Vuorinen, Harri Hillamo, Ossi Kaario, Martti Larmi, Laszlo Fuchs
2010
Atomization and Sprays
Investigations on Engine Flow Fields and Combustion
Harri Hillamo, Teemu Sarjovaara, Ossi Kaario, Martti Larmi
2009
Finnish-Swedish Flame Days 2009, January 28 - 29, 2009, Naantali, Finland
NOx Reduction in a Medium-Speed Single-Cylinder Diesel engine using Miller cycle with Very Advanced Valve Timing
Matteo Imperato, Eero Antila, Teemu Sarjovaara, Ossi Kaario, Martti Larmi, Ilari Kallio, Sten Isaksson
2009
SAE Technical Paper Series
Computational Considerations of Fuel Spray Mixing in an HCCI Operated Optical Diesel Engine
Ossi Kaario, Eero Antila, Kalle Lehto, Ville Vuorinen, Martti Larmi
2009
SAE Technical Paper Series
Liquid Spray Data from an Optical Medium-Speed Diesel Engine and its Comparison with CFD
Ossi Kaario, Aki Tilli, Harri Hillamo, Teemu Sarjovaara, Ville Vuorinen, Martti Larmi
2009
SAE Technical Paper Series
Sprays in combustion
Ossi Kaario, Martti Larmi
2009
High Cetane Number Paraffinic Diesel Fuels and Emission Reduction
Martti Larmi, Aki Tilli, Ossi Kaario, Yesun Gong, Teemu Sarjovaara, Harri Hillamo, Kari Häkkinen, Kalle Lehto, Anders Brink, Päivi Aakko-Saksa
2009
IEA Combustion Agreement - 31th Task Leaders Meeting, Lake Louise, Kanada, 20.-24.9.2009
Advances in Variable Density Wall Functions for Turbulent Flow CFD-Simulations, Emphasis on Heat Transfer
Mika Nuutinen, Ossi Kaario, Martti Larmi
2009
SAE Technical Paper Series
Biofuels in the Fuel Injection System of a Single-Cylinder Medium-Speed Diesel Engine
Aki Tilli, Ossi Kaario, Martti Larmi
2009
Finnish-Swedish Flame Days 2009, Naantali, Finland, 28. - 29.01.2009
Fuel Injection System Simulation with Renewable Diesel Fuels
Aki Tilli, Ossi Kaario, Matteo Imperato, Martti Larmi
2009
SAE Technical Paper Series
Effect of Droplet Size and Breakup on Spray Shape: A Priori Study Using Large-Eddy Simulation
Ville Vuorinen, Harri Hillamo, Ossi Kaario, M. Nuutinen, Martti Larmi, Laszlo Fuchs
2009
6th International Symposium on Turbulence, Heat and Mass Transfer, Rome, Italy, 14-18 September 2009
Fuel Spray Experiments and Large-Eddy Simulation of Droplet Size Effects on Spray Shape
Ville Vuorinen, Harri Hillamo, Ossi Kaario, Martti Larmi, Laszlo Fuchs
2009
IEA Combustion Agreement - 31st Task Leaders Meeting, Lake Louise, Kanada, 20.-24.9.2009
In Cylinder Flow Fields in Diesel Engine
Harri Hillamo, Teemu Sarjovaara, Ossi Kaario, Martti Larmi
2008
IEA Combustion Agreement -30th Task Leaders Meeting, Capri, Italy, 14. -18.9.2008
Particle Image Velocimetry Measurements of a Diesel Spray
Harri Hillamo, Ossi Kaario, Martti Larmi
2008
SAE Technical Papers
Introducing New Combustion Technologies Research Project for the HCCI Fuels
Ossi Kaario, Martti Larmi
2008
CFD Modeling of the Initial Turbulence prior to Combustion in a Large Bore Diesel Engine
Eric Lendormy, Ossi Kaario, Martti Larmi
2008
SAE Technical Papers
Conjugate Heat Transfer in CI Engine CFD Simulations
Mika Nuutinen, Ossi Kaario, Martti Larmi
2008
SAE Technical Papers
Recent Progress in Implicit Large-Eddy Simulation of Fuel Sprays with Focus on Droplet Size Effects
Ville Vuorinen, Ossi Kaario, Martti Larmi, Fuchs Laszlo
2008
IEA Combustion Agreement -30th task Leaders Meeting, Capri, Italy 15. -18.9.2008
Fuel Spray Characterization of a High Speed Diesel Engine
Harri Hillamo, Ossi Kaario
2007
Twenty-Nineth Task Leader´s Meeting of the International Energy Agency, Gembloux, Belgium, 5.9.2007
A Comparison of Characteristic Time Scale and Flame Area Evolution Combustion Models in Medium Speed Diesel Engines
Ossi Kaario, Lars Ola Liavag, Martti Larmi
2007
25th CIMAC World Congress on Combustion Engines, Vienna, Austria, 21-24 May 2007
In-Cylinder Flow Field of a Diesel Engine
Ossi Kaario, Eric Lendormy, Teemu Sarjovaara, Martti Larmi
2007
SAE Technical Papers
Cylinder Pressure Measurement via Indicating Cock
Raimo Turunen, Ossi Kaario, Gösta Liljenfeldt
2007
Cimac Conference, Vienna, Austria, 2007
Near Nozzle Diesel Spray Modeling and X-Ray Measurements
Ville Vuorinen, Martti Larmi, Eero Antila, Ossi Kaario, Essam El-Hannouny, Sreenath Gupta
2006
SAE Technical Papers
Applying Soot Phi-T Maps for Engineering CFD Applications in Diesel Engines
Ossi Kaario, Eero Antila, Martti Larmi
2005
SAE Technical Papers
In-cylinder flowfields of diesel engine
Ossi Kaario, Ari Saarinen, Teemu Sarjovaara, Martti Larmi
2005
Twenty-Seventh Task Leaders Meeting, International Energy Agency, Implementing Agreement on Energy Conservation and Emission Reduction in Combustion, Zurich, Sveitsi 19. - 21.9.2005
Mastering the Diesel Process
Eero Antila, Ossi Kaario, Pia Kilpinen, Tuukka Lahtinen, Martti Larmi, Heikki Pokela, Ari Saarinen, Krista Stalsberg-Zarling, Pertti Taskinen, Jukka Tiainen, Olli Toivanen
2004
CFD-Modeling of high- and medium speed internal combustion engines
Ossi Kaario, Jukka Tiainen, Martti Larmi
2004
CFD-Modeling of high- and medium speed internal combustion engines
Ossi Kaario, Jukka Tiainen, Martti Larmi
2004
CFD-Modeling of high- and medium speed internal combustion engines
Ossi Kaario, Jukka Tiainen, Martti Larmi
2004
Relating Integral Length Scale to Turbulent Time Scale and Comparing K-e and RNG K-e Turbulence Models in Diesel Combustion Simulation
Ossi Kaario, Martti Larmi, Franz Tanner
2003
SAE Technical Papers
LES and RNG Turbulence Modeling in DI Diesel Engines
Martti Larmi, Jukka Tiainen, Ossi Kaario, Heikki Pokela, Lars Kjäldman
2003
SAE Technical Papers
Comparing Single-Step and Multi-Step Chemistry Using the Laminar and Turbulent Characteristic Time Combustion Model in Two Diesel Engines
Ossi Kaario, Martti Larmi, Franz Tanner
2002
SAE Technical Papers
Non-Evaporating Liquid Spray Simulations with the ETAB and WAVE droplet Breakup models
O. Kaario, M. Larmi, F.X. Tanner
2002
18th Annual Conference on Liquid Atomization and Spray Systems, Zaragoza, Spain, 9-11 September 2002
Comparison Between Single-Step and Two-Step Chemistry in a Compression Ignition Free Piston Engine
Ossi Kaario
2000
SAE Technical Papers