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Descripción
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| The use of barometric altimetry is to some extent a limiting factor on safety, predictability and efficiency of aircraft operations, and reduces the potential of the trajectory based operations capabilities. However, geometric altimetry could be used to improve all of these aspects. Nowadays aircraft altitude is estimated by applying the International Standard Atmosphere which differs from real altitude. At different temperatures for an assigned barometric altitude, aerodynamic forces are different and this has a direct relationship with time, fuel consumption and range of the flight. The study explores the feasibility of using sensors providing geometric reference altitude, in particular, to supply capabilities for the optimization of vertical profiles and also, their impact on the vertical Air Traffic Management separation assurance processes. One of the aims of the thesis is to assess if geometric altitude fulfills the aeronautical requirements through existing sensors. Also the thesis will elaborate on the advantages of geometric altitude over the barometric altitude in terms of efficiency for vertical navigation. The evidence that geometric altitude is the best choice to improve the efficiency in vertical profile and aircraft capacity by reducing vertical uncertainties will also be shown. In this paper, an atmospheric study is presented, as well as the impact of temperature deviation from International Standard Atmosphere model is analyzed in order to obtain relationship between geometric and barometric altitude. Furthermore, an aircraft model to study aircraft vertical profile is provided to analyse trajectories based on geometric altitudes. | |
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Internacional
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Si |
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Nombre congreso
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ATACCS 2012 - Application and Theory of Automation in Command and Control Systems |
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Tipo de participación
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960 |
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Lugar del congreso
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London, UK |
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Revisores
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Si |
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ISBN o ISSN
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978-2-917490-20-4 |
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DOI
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Fecha inicio congreso
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29/05/2012 |
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Fecha fin congreso
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31/05/2012 |
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Desde la página
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196 |
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Hasta la página
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199 |
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Título de las actas
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2nd International Conference on Application and Theory of Automation in Command and Control Systems |