Abstract:
This paper considers subsonic turbojet aircraft fuel consumption minimization problem during cruise phase, assuming fixed time of arrival. The problem takes into account real
atmosphere data. We utilize tailwind/headwind component values at various flight levels, as
well as air temperatures and atmospheric pressures at various altitudes. The solution to the
altitude and speed flight profile optimization problem is through constrained coordinate descent
method. The paper considers optimizing the fuel consumption of a medium-haul aircraft during
the cruise phase using sample data set on temperature, pressure, and wind speed. The proposed
approach achieves a decrease in fuel consumption of 1.2% when optimizing with regard to real
atmosphere.