Browse Publications Technical Papers 2017-01-2292

Lubricity of Diesel Fuel Hydrocarbons and Surrogate Fuels 2017-01-2292

The aim of this study is to investigate the lubricity of hydrocarbons that constitute components of petroleum diesel fuel. A number of typical hydrocarbon compounds were selected as representative of the group types of alkanes (paraffins), cycloalkanes (naphthenes) and aromatics, similar to those that are present in diesel fuel. The lubricity of these substances was examined in a High Frequency Reciprocating Rig (HFRR) apparatus according to the ISO 12156-1 standard method. Thereafter, a series of diesel surrogate fuel were prepared from the above substances based on literature data for diesel fuel composition and on the previously obtained results. These model fuels were assessed regarding their lubricating performance in order to evaluate how each individual component can affect the lubricity of the final fuel. In addition to this, commercial, additive-free diesel fuel samples were analyzed per the previously mentioned procedure and were used as reference fuels for a comparative assessment.


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