20002020

Research output per year

If you made any changes in Pure these will be visible here soon.

Research Output

2020

A numerical study on combustion mode characterization for locally stratified dual-fuel mixtures

Karimkashi Arani, S., Kahila, H., Kaario, O., Larmi, M. & Vuorinen, V., 1 Apr 2020, In : Combustion and Flame. 214, p. 121-135 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
1 Citation (Scopus)
39 Downloads (Pure)

High-pressure direct injection of methanol and pilot diesel: A non-premixed dual-fuel engine concept

Dong, Y., Kaario, O., Hassan, G., Ranta, O., Larmi, M. & Johansson, B., 5 Jun 2020, In : Fuel. 277, 11 p., 117932.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Impact of Ethane Enrichment on Diesel-Methane Dual-Fuel Combustion

Ahmad, Z., Kaario, O., Cheng, Q. & Larmi, M., 14 Apr 2020, In : SAE Technical Papers. 2020-April, April

Research output: Contribution to journalConference articleScientificpeer-review

Large-eddy simulation of dual-fuel spray ignition at different ambient temperatures

Tekgül, B., Kahila, H., Kaario, O. & Vuorinen, V., 1 May 2020, In : Combustion and Flame. 215, p. 51-65 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
29 Downloads (Pure)

Large-eddy simulation of underexpanded natural gas jets

Vuorinen, V., Duwig, C., Kaario, O., Larmi, M. & Boersma, B. J., 1 Jan 2020.

Research output: Contribution to conferencePaperScientificpeer-review

Modeling the end-use performance of alternative fuels in light-duty vehicles

Kroyan, Y., Wojcieszyk, M., Kaario, O., Larmi, M. & Zenger, K., 31 May 2020, In : Energy. 205, 12 p., 117854.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Modelling aerosol transport and virus exposure with numerical simulations in relation to SARS-CoV-2 transmission by inhalation indoors

Vuorinen, V., Aarnio, M., Alava, M., Alopaeus, V., Atanasova, N., Auvinen, M., Balasubramanian, N., Bordbar, H., Erästö, P., Grande, R., Hayward, N., Hellsten, A., Hostikka, S., Hokkanen, J., Kaario, O., Karvinen, A., Kivistö, I., Korhonen, M., Kosonen, R., Kuusela, J. & 10 others, Lestinen, S., Laurila, E., Nieminen, H. J., Peltonen, P., Pokki, J., Puisto, A., Råback, P., Salmenjoki, H., Sironen, T. & Österberg, M., 11 Jun 2020, In : Safety Science. 130, 23 p., 104866.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
Open Access
File
27 Downloads (Pure)

Simultaneous Visualization of Natural Luminosity and Chemiluminescence of Dual Fuel Combustion in an Optically Accessible Engine

Cheng, Q., Ahmad, Z., Kaario, O. & Larmi, M., 14 Apr 2020, In : SAE Technical Papers. 2020-April, April

Research output: Contribution to journalConference articleScientificpeer-review

Open Access
File
6 Downloads (Pure)
2019

A large-eddy simulation study on the influence of diesel pilot spray quantity on methane-air flame initiation

Kahila, H., Kaario, O., Ahmad, Z., Ghaderi Masouleh, M., Tekgül, B., Larmi, M. & Vuorinen, V., 30 May 2019, In : Combustion and Flame. 206, p. 506-521 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
5 Citations (Scopus)
105 Downloads (Pure)

A parametric investigation of diesel/methane dual-fuel combustion progression/stages in a heavy-duty optical engine

Ahmad, Z., Kaario, O., Qiang, C., Vuorinen, V. & Larmi, M., 5 Jun 2019, In : Applied Energy. 251, 113191.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
6 Citations (Scopus)
109 Downloads (Pure)

Cycle-to-cycle variations of dual-fuel combustion in an optically accessible engine

Cheng, Q., Ahmad, Z., Kaario, O. & Larmi, M., 2 Aug 2019, In : Applied Energy. 254, 19 p., 113611.

Research output: Contribution to journalArticleScientificpeer-review

Effect of Alternative Fuels on Marine Engine Performance

Wojcieszyk, M., Kroyan, Y., Larmi, M., Kaario, O. & Zenger, K., 19 Dec 2019, In : SAE Technical Papers. December, 9 p.

Research output: Contribution to journalConference articleScientificpeer-review

Open Access
File
4 Downloads (Pure)

HVO, RME and diesel fuel combustion in an optically accessible compression ignition engine

Cheng, Q., Hulkkonen, T., Kaario, O. & Larmi, M., 21 Mar 2019, In : Energy and Fuels. 33, 3, p. 2489-2501 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
23 Downloads (Pure)

Large-eddy simulation of dual-fuel ignition: Diesel spray injection into a lean methane-air mixture

Kahila, H., Wehrfritz, A., Kaario, O. & Vuorinen, V., 1 Jan 2019, In : Combustion and Flame. 199, p. 131-151 21 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
15 Citations (Scopus)
189 Downloads (Pure)

Modeling cycle-to-cycle variations in spark ignited combustion engines by scale-resolving simulations for different engine speeds

Ghaderi Masouleh, M., Keskinen, K., Kaario, O., Kahila, H., Karimkashi, S. & Vuorinen, V., 11 May 2019, In : Applied Energy. 250, p. 801-820 20 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
4 Citations (Scopus)
100 Downloads (Pure)

Modeling the Impact of Alternative Fuel Properties on Light Vehicle Engine Performance and Greenhouse Gases Emissions

Kroyan, Y., Wojcieszyk, M., Larmi, M., Kaario, O. & Zenger, K., 19 Dec 2019, In : SAE Technical Papers. December, 12 p.

Research output: Contribution to journalConference articleScientificpeer-review

Open Access
File
8 Downloads (Pure)

Optical investigation of spray characteristics for light fuel oil, kerosene, hexane, methanol and propane

Ainsalo, A., Sallinen, R., Kaario, O. & Larmi, M., 2019, In : Atomization and Sprays. 29, 6, p. 521-544

Research output: Contribution to journalArticleScientificpeer-review

Spray dynamics of HVO and EN590 diesel fuels

Cheng, Q., Hulkkonen, T., Kaario, O. & Larmi, M., 1 Jun 2019, In : Fuel. 245, p. 198-211 14 p.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

The effect of fuel on high velocity evaporating fuel sprays: Large-Eddy simulation of Spray A with various fuels

Kaario, O. T., Vuorinen, V., Kahila, H., Im, H. G. & Larmi, M., 19 Jun 2019, In : International Journal of Engine Research. 17 p.

Research output: Contribution to journalReview ArticleScientificpeer-review

Open Access
File
7 Citations (Scopus)
79 Downloads (Pure)
2018

An Optical Characterization of Dual-Fuel Combustion in a Heavy-Duty Diesel Engine

Ahmad, Z., Aryal, J., Ranta, O., Kaario, O., Vuorinen, V. & Larmi, M., 1 Jan 2018, In : SAE Technical Papers. 2018-April, 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
10 Citations (Scopus)
159 Downloads (Pure)

Biofuel blend late post-injection effects on oil dilution and diesel oxidation catalyst performance

Tilli, A., Hulkkonen, T., Kaario, O., Larmi, M., Sarjovaara, T. & Lehto, K., 1 Nov 2018, In : International Journal of Engine Research. 19, 9, p. 941-951 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
2 Citations (Scopus)
130 Downloads (Pure)

Emission reduction methods and split fuel injection in a marine four-stroke engine

Imperato, M., Kaario, O., Larmi, M. & Sarjovaara, T., Mar 2018, In : Journal of Marine Science and Technology. 23, 1, p. 94-103 10 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Flow and thermal field effects on cycle-to-cycle variation of combustion: scale-resolving simulation in a spark ignited simplified engine configuration

Ghaderi Masouleh, M., Keskinen, K., Kaario, O., Kahila, H., Wright, Y. M. & Vuorinen, V., 15 Nov 2018, In : Applied Energy. 230, p. 486-505 20 p.

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Large-Eddy Simulation on the Influence of Injection Pressure in Reacting Spray A

Kahila, H., Wehrfritz, A., Kaario, O., Ghaderi Masouleh, M., Maes, N., Somers, B. & Vuorinen, V., May 2018, In : Combustion and Flame. 191, p. 142-159 18 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
28 Citations (Scopus)
146 Downloads (Pure)

Numerical assessment of wall modelling approaches in scale-resolving in-cylinder simulations

Keskinen, K., Koch, J., Wright, Y. M., Schmitt, M., Nuutinen, M., Kaario, O., Vuorinen, V., Larmi, M. & Boulouchos, K., 1 Dec 2018, In : International Journal of Heat and Fluid Flow. 74, p. 154-172 19 p.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)
2017

A New Approach for Modeling Coke Particle Emissions from Large Diesel Engines Using Heavy Fuel Oil

Hentelä, K., Kaario, O., Garaniya, V., Goldsworthy, L. & Larmi, M., 2017, Proceedings of the SAE 2017 International Powertrains, Fuels and Lubricants Meeting. SAE International, Vol. 2017-October. 2017-01-2381. (SAE Technical Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
File
118 Downloads (Pure)

An Optical Investigation of Diesel-Pilot and Methane Dual-Fuel Combustion

Ahmad, Z., Aryal, J., Ranta, O., Kaario, O. & Larmi, M., 2017. 15 p.

Research output: Contribution to conferencePaperScientific

Comparative study on chemical kinetic schemes for dual-fuel combustion of n-dodecane/methane blends

Ghaderi Masouleh, M., Wehrfritz, A., Kaario, O., Kahila, H. & Vuorinen, V., 1 Mar 2017, In : Fuel. 191, p. 62-76 15 p.

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)

Dual-Fuel Combustion Characterization on Lean Conditions and High Loads

Pettinen, R., Kaario, O. & Larmi, M., 28 Mar 2017, Proceedings of the SAE World Congress Experience, WCX'17. March ed. SAE International, Vol. 2017-March. 10 p. 2017-01-0759. (SAE Technical Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

11 Citations (Scopus)

Effects of ethanol enrichment on in-cylinder thermochemical fuel reforming (TFR) spark ignition natural gas engine

He, Z., Zhu, L., Xu, Z., Kaario, O., Li, A. & Huang, Z., 1 Jun 2017, In : Fuel. 197, p. 334-342 9 p.

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)

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

Cai, W., Fivga, A., Kaario, O. & Liu, R., 16 Feb 2017, In : Energy and Fuels. 31, 2, p. 1544-1554 11 p.

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Hybrid LES/RANS with wall treatment in tangential and impinging flow configurations

Keskinen, K., Nuutinen, M., Kaario, O., Vuorinen, V., Koch, J., Wright, Y. M., Larmi, M. & Boulouchos, K., 1 Jun 2017, In : International Journal of Heat and Fluid Flow. 65, p. 141-158 17 p.

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Late post-injection of biofuel blends in an optical diesel engine: Experimental and theoretical discussion on the inevitable wall-wetting effects on oil dilution

Hulkkonen, T., Tilli, A., Kaario, O., Ranta, O., Sarjovaara, T., Vuorinen, V., Larmi, M. & Lehto, K., Sep 2017, In : International Journal of Engine Research. 18, 7, p. 645-656 12 p.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Mixing and evaporation analysis of a high-pressure SCR system using a hybrid LES-RANS approach

Kaario, O. T., Vuorinen, V., Zhu, L., Larmi, M. & Liu, R., Feb 2017, In : Energy. 120, p. 827-841 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
12 Citations (Scopus)
102 Downloads (Pure)
2016

Influence of mesh deformation on the quality of large eddy simulations

Keskinen, J. P., Vuorinen, V., Kaario, O. & Larmi, M., 2016, In : International Journal for Numerical Methods in Fluids. 82, 4, p. 171-197

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Influence of the in-cylinder gas density and fuel injection pressure on the combustion characteristics in a large-bore diesel engine

Imperato, M., Kaario, O., Sarjovaara, T. & Larmi, M., Jun 2016, In : International Journal of Engine Research. 17, 5, p. 525-533 9 p.

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Large Eddy Simulation of n-dodecane spray flames using Flamelet Generated Manifolds

Wehrfritz, A., Kaario, O., Vuorinen, V. & Somers, B., 1 May 2016, In : Combustion and Flame. 167, p. 113-131 19 p.

Research output: Contribution to journalArticleScientificpeer-review

79 Citations (Scopus)

Mixture formation in a direct injection gas engine: Numerical study on nozzle type, injection pressure and injection timing effects

Keskinen, K., Kaario, O., Nuutinen, M., Vuorinen, V., Künsch, Z., Liavåg, L. O. & Larmi, M., 1 Jan 2016, In : Energy. 94, p. 542-556 15 p.

Research output: Contribution to journalArticleScientificpeer-review

30 Citations (Scopus)

Modeling and simulation of air-assist atomizers with applications to food sprays

Tanner, F. X., Feigl, K., Kaario, O. & Windhab, E. J., Jun 2016, In : Applied Mathematical Modelling. 40, 11-12, p. 6121-6133 13 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Nonlinear time series analysis from large eddy simulation of an internal combustion engine

Keskinen, J-P., Vuorinen, V. & Kaario, O., Feb 2016, In : International Journal of Heat and Fluid Flow. 57, p. 79-90 12 p.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Split fuel injection and Miller cycle in a large-bore engine

Imperato, M., Kaario, O., Sarjovaara, T. & Larmi, M., 15 Jan 2016, In : Applied Energy. 162, p. 289-297 9 p.

Research output: Contribution to journalArticleScientificpeer-review

24 Citations (Scopus)
2015

Experimental study of conical diesel nozzle orifice geometry

Hulkkonen, T., Sarjovaara, T., Kaario, O., Larmi, M. & Hämäläinen, I., 2015, In : Atomization and Sprays. 25, 6, p. 519-538

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)
11 Citations (Scopus)

Partially premixed combustion in a low load operated power plant engine

Shrestha, K., Kaario, O., Imperato, M., Sarjovaara, T., Larmi, M., Liavåg, L. & Wik, C., 2015, In : Industrial Combustion. 15, 1, p. 1-17 17 p.

Research output: Contribution to journalArticleScientificpeer-review

2014

Comparing Breakup Models in a Novel High Injection Pressure SCR System using Polyhedral Meshing

Kaario, O., Sarjovaara, T., Ranta, O., Hulkkonen, T., Keskinen, K., Larmi, M., Halonen, S. & Amberla, A., 2014, In : SAE Technical Papers. 2014-01-2816

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)
18 Citations (Scopus)

Modification of the CAB Model for Air-Assist Atomization of Food Sprays

Tanner, F. X., Feigl, K. A., Kaario, O., Dubey, B. & Windhab, E. J., 2014, ILASS Americas 26th Annual Conference on Liquid Atomization and Spray Systems, Portland OR, May 2014. USA: Ilass Americas, Institute for liquid atomization and spray system

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2013

Characteristics of high pressure jets for direct injection gas engine

Yu, J., Vuorinen, V., Kaario, O., Sarjovaara, T. & Larmi, M., 2013, In : SAE INTERNATIONAL JOURNAL OF FUELS AND LUBRICANTS. 6, 1, p. 149-156

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

Effects of Mesh Deformation on the Quality of Large Eddy Simulations

Keskinen, J-P., Vuorinen, V., Kaario, O. & Larmi, M., 2013, AIAA Aerospace Sciences Fluid Sciences Event, San Diego, California, U.S.A., 24.-27.6.2013. The American Institute of Aeronautics and Astronautics (AIAA)

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review