Characterisation of different biofuel blends for cold start and altitude relight in aeroengines

Authors: Jean, Joël
Advisor: Champlain, Alain de
Abstract: The objective of the proposed research is to identify the most promising drop-in biofuels for use in aircraft gas turbines and their potential to reduce greenhouse gases. This investigation reviews proper engine operability (cold start and altitude relight) and allows determining the minimum and maximum fuel-air ratios for these conditions. To evaluate their relative combustion performance, cold start and altitude relight maps are obtained for seven new biofuel blends obtained from camelina or jatropha mixed with Jet A-1 fuel with various aromatic contents and compared to Jet A-1 as the baseline fuel. These new biofuel blends were selected based on sustainability of supply and potential for reduction of emissions. In general, the project demonstrated that at least second generation biofuel blends are viable alternative fuels to the current petroleum based that can also bring environmental benefits and can be producible in large quantities without impacting the food supply chain.
Document Type: Mémoire de maîtrise
Issue Date: 2018
Open Access Date: 10 July 2019
Grantor: Université Laval
Collection:Thèses et mémoires

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