Ossi Kaario

Senior Research Scientist

Research outputs

  1. 2019
  2. Published

    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

  3. Published

    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

  4. Published

    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

  5. Published

    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. Published

    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

  7. Published

    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

  8. Published

    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

  9. Published

    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

  10. 2018
  11. Published

    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

  12. Published

    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

  13. Published

    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

  14. Published

    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

  15. Published

    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

  16. Published

    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

  17. 2017
  18. Published

    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

  19. Published

    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

  20. Published

    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

  21. Published

    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. Vol. 2017-March. 10 p. 2017-01-0759. (SAE Technical Papers). (SAE Technical Papers).

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

  22. Published

    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

  23. Published

    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

  24. Published

    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

  25. Published

    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. Vol. 2017-October. 2017-01-2381. (SAE Technical Papers). (SAE Technical Papers).

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

  26. Published

    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

  27. 2016
  28. Published

    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

  29. Published

    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

  30. Published

    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

  31. Published

    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

  32. Published

    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

  33. Published

    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

  34. Published

    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

  35. 2015
  36. Published

    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

  37. Published
  38. Published

    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

  39. 2014
  40. Published

    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

  41. Published
  42. Published

    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

  43. 2013
  44. Published

    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

  45. Published

    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

  46. Published

    Gas-Based Calibration of a Liquid Dispensing Device

    Keskinen, K. & Kaario, O., 2013, ILASS - Europe 2013, 25th European Conference on Liquid Atomization & Spray Systems. Hania, Kreikka: ILASS

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

  47. Published

    Large Eddy Simulation of High Gas Density Effects in Fuel Sprays

    Kaario, O., Vuorinen, V., Hulkkonen, T., Keskinen, K., Nuutinen, M., Larmi, M. & Tanner, F. X., 2013, In : Atomization and Sprays. 23, 4, p. 297-325

    Research output: Contribution to journalArticleScientificpeer-review

  48. Published

    Large-Eddy Simulation of Highly Underexpanded Transient Gas Jets

    Vuorinen, V., Jingzhou, Y., Tirunagari, S., Kaario, O., Larmi, M., Christophe, D. & Boersma, B., 2013, In : PHYSICS OF FLUIDS. 25, 016101

    Research output: Contribution to journalArticleScientificpeer-review

  49. Published

    LARGE EDDY SIMULATION OF HIGH-VELOCITY FUEL SPRAYS: STUDYING MESH RESOLUTION AND BREAKUP MODEL EFFECTS FOR SPRAY A

    Wehrfritz, A., Vuorinen, V., Kaario, O. & Larmi, M., 2013, In : Atomization and Sprays. 23, 5, p. 00-00

    Research output: Contribution to journalArticleScientificpeer-review

  50. Published

    Partially Premixed Combustion (PPC) for low load conditions in a marine engine using computational and experimental technique.Paper # 288

    Shrestha, K., Kaario, O., Imperato, M., Sarjovaara, T. & Larmi, M., 2013, Cimac, Shanghai, Kiina, 13.-16.5.2013.

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

  51. Published

    Partially Premixed Combustion (PPC) for low load conditions in marine engine using computational and experimental techniques.

    Shrestha, K., Kaario, O., Imperato, M., Sarjovaara, T. & Larmi, M., 2013, Finnish - Swedish Flame Days, Jyväskylä, Finland, 17.-18.4.2013. International Flame Research Foundatio, T. F. (ed.). International Flame Research Foundatio, the Finnish and Swedish National Committees

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  52. Published

    Turbulence During the Compression Stroke

    Antila, E., Kaario, O. & Nuutinen, M., 2013, Cimac, Shanghai, Kiina, 13.-16.5.2013. Cimac, (Cimac Paper ; no. 98).

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

  53. Published

    Visualization and analysis of the characteristics of transitional underexpanded jets

    Yu, J., Vuorinen, V., Kaario, O., Sarjovaara, T. & Larmi, M., 2013, In : International Journal of Heat and Fluid Flow. 44, 0, p. 140-154

    Research output: Contribution to journalArticleScientificpeer-review

  54. 2012
  55. Published

    A High Resolution Study of Non-Reacting Fuel Sprays using Large-Eddy Simulations

    Wehrfritz, A., Vuorinen, V., Kaario, O. & Larmi, M., 2012, International Conference on Liquid Atomization and Spray Systems; Heidelberg, Germany; September 2-6, 2012. Heidelberg, Germany

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

  56. Published

    Analysis of Proper Orthogonal Decomposition and Dynamic Mode Decomposition on LES of Subsonic Jets

    Tirunagari, S., Vuorinen, V., Kaario, O. & Larmi, M., 2012, In : CSI JOURNAL OF COMPUTING. 1, 3, p. 46-50

    Research output: Contribution to journalArticleScientificpeer-review

  57. Published

    Analyzing Local Combustion Environment with a Flamelet Model and Detailed Chemistry

    Kaario, O., Brink, A., Wehrfritz, A. & Larmi, M., 2012, In : SAE Technical Papers. 2012-01-0150

    Research output: Contribution to journalArticleScientificpeer-review

  58. Published

    An experimental investigation on the flow structure and mixture formation of low pressure ratio wall-impinging jets by a natural gas injector

    Yu, J., Vuorinen, V., Hillamo, H., Sarjovaara, T., Kaario, O. & Larmi, M., 2012, In : JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING. 9, p. 1-10

    Research output: Contribution to journalArticleScientificpeer-review

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