Browse Publications Technical Papers 2006-01-2878
2006-11-21

Description of preliminary Study for Technology Transfer of an Ethanol Mixture Preparation System from Automotive Application to a 4-Cylinder 5.9 liter Aircraft Engine. 2006-01-2878

On the basis of the large amount of know-how accumulated in the field of automotive ethanol SI-engine fuelling in Brazil, it seemed appropriate to continue and set a new milestone in the usage of ethanol fuel.
The paper presents the preliminary study made to enable the transfer of the ethanol technology to a 5.9-liter 4-cylinder boxer aircraft engine.
The study describes the steps made to define the optimal parameter configuration for the transfer of the fuel system packaging, the fuel injector layout, the engine control unit (ECU) and the legislative redundancy requirements for aviation applications.
The paper illustrates the use of numerical simulation techniques and special visualization approaches necessary to understand the physical phenomena of mixture preparation (spray atomization and momentum).
Two different layouts are presented and discussed and a certain number of experimental results obtained with the retained solution are presented and discussed.

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