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Fuel burn prediction algorithm for cruise, constant speed and level flight segments

Published online by Cambridge University Press:  27 January 2016

B. D. Dancila ,
R. Botez  and
D. Labour
B. D. Dancila
Affiliation:
École de Technologie Supérieure, Montréal, Québec, Canada
R. Botez*
Affiliation:
École de Technologie Supérieure, Montréal, Québec, Canada
D. Labour
Affiliation:
CMC Electronics-Esterline, Saint-Laurent, Québec, Canada
*
[email protected]
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Abstract

This paper presents a new algorithm that predicts the quantity of fuel burned by an aircraft flying at a constant speed and altitude. It considers the continuous fuel burn rate variation with time caused by the gross weight (and centre of gravity position) modification due to the fuel burn process itself. The algorithm was developed for use by the Flight Management System (FMS) and employs the same aircraft performance data as the existing FMS fuel burn prediction algorithms. The new fuel burn method was developed for aircraft models that use the centre of gravity position as well as for models that do not consider the centre of gravity position. This algorithm was developed for normal flight conditions. Algorithm performances were evaluated for two aircraft models: one for models that use an aircraft’s centre of gravity position – a more complex and computing intensive method, and one for those that do not use the centre of gravity position. The validation data were generated based on the information produced on a CMC Electronics – Esterline FMS platform that used identical aircraft models and performance data for identical flight conditions.

Type
Research Article
Information
The Aeronautical Journal , Volume 117 , Issue 1191 , May 2013 , pp. 491 - 504
Copyright
Copyright © Royal Aeronautical Society 2013 

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