OSUVA - Selaus tekijän "Ovaska, T." mukaan

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    • Exhaust particle size distributions of a non-road diesel engine in an endurance test 

      Ovaska, T.; Niemi, S.; Katila, T.; Nilsson, O. (Estonian Agricultural University, 2018)
      article
      The main objective of this study was to find out how the non-road diesel engine running period of 500 hours affects the exhaust particle size distribution. By means of an engine exhaust particle sizer (EEPS), particle ...

    • Waste fish oil as an alternative renewable fuel for IC engines 

      Hissa, M.; Niemi, S.; Ovaska, T.; Niemi, A. (Estonian University of Life Sciences, 2021)
      article
      Bio-oils are potential fuels for internal combustion engines because of they have advantageous properties such as biodegradability, renewability, high oxygen content and low sulphur. However, the high viscosity, surface ...