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1 Paliwa, Oleje i Smary w Eksploatacji

1 2002

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Ocena korelacji wyników badań smarności paliw płynnych metodami BOCLE, SL BOCLE i HFRR

Surmiak J., Kolczyński J., Łuczkowski W.

Paliwa, Oleje i Smary w Eksploatacji

2002

R. 11, nr 97

5-9

The group of 37 samples of liquid fuels including jet fuels, diesel fuels and rapeseed biofuels, have been simultaneously examined for their lubricity being measured by three standard test methods: BOCLE, SL BOCLE and HFRR. The obtained results were statistically worked out from the point of their correlation between these test methods. For each pair of test methods the equalisations of linear regression and coefficients of correlation were calculated. The investigations showed, that the most strongly correlation was between the test methods of HFRR / SL BOCLE, and considerably smaller between the methods of SL BOCLE / BOCLE and BOCLE / HFRR. However, the results of investigations did not give reliable bases to introduce these equalisations to practical usage. There was recommended a highest prudence in mutual transforming and directly comparing of results obtained by these standard test methods.