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Correlated optimum lift coefficient and thrust-vector angle for longitudinal performance

Abstract : This note explores the optimization of thrust-vector angle for the cruise and initial climb phases of an airliner. For each performance, the lift coefficient and thrust-vector angle have been optimized simultaneously leading to a global optimum. However, the gain offered on the longitudinal performance by an ad-hoc inclination is limited. Finally, analytical expressions of the optimum thrust-vector angle have been derived for each performance, in complement to the expressions already provided by former studies on this subject.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01521341
Contributor : Magalie Prudon <>
Submitted on : Thursday, May 11, 2017 - 4:46:39 PM
Last modification on : Thursday, November 19, 2020 - 5:06:02 PM

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Laurent Bovet. Correlated optimum lift coefficient and thrust-vector angle for longitudinal performance. Aerospace Science and Technology, Elsevier, 2017, 67, pp.141 - 143. ⟨10.1016/j.ast.2017.04.003⟩. ⟨hal-01521341⟩

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