Browsing by Author "Nunes, Henrique de Sousa Faria Amaral"
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- Fuel Conservation Strategies for the Vertical Profile of Cruise FlightPublication . Nunes, Henrique de Sousa Faria Amaral; Silva, Jorge Miguel dos ReisFuel conservation strategies are used by airlines with the objective of making their operations more efficient, whether it is from an economical or environmental point of view. This dissertation focuses only on the vertical profile of the cruise phase of long haul commercial flights. Covering legislation, operational standards, communications, surveillance, flight planning and performance aspects. After a description of the previous aspects, the first case study is presented. This case study consists in a comparison between a usual vertical profile of a flight and an optimized one. First a theoretical estimation of the results is presented and then the detailed calculations for the actual flight are described, continuing with an explanation of several factors associated with the results. A summary of a second case study is presented to allow for a comparison between two vertical profile optimization procedures.