As sustainable aviation fuels are one of the mid and long term solutions for aviation emissions reduction, this article focuses on jet engine performance with different HEFA-SPK blends. Blends used in the tests were 30% and 50% of HEFA-SPK fuel, and also pure Jet A-1 as a conventional fuel. Experiments were carried out on a miniature jet engine, GTM 400, and the aim was to assess the impact of SAFs on operational parameters. Selected engine performance parameters were calculated and analyzed for the tested blends. One of the results is that the blend of HEFA-SPK led to an average improvement of thrust-specific fuel consumption by about 3%, and an increase of static thrust by 2.7–11.2%.
Kurzawska-Pietrowicz et al. (Mon,) studied this question.
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