Flight Mechanics Issues presentation

APA Vehicle Aerodynamics Subcommittee: Flight Mechanics Issues for Aircraft, and underlying Fluid Dynamics Phenomena ,[object Object],[object Object],[object Object]

Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Design drivers for aircraft ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Airworthiness requirements (1) ‏ ,[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Airworthiness requirements (2) ‏ ,[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Flying/Handling qualities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Flight mechanics issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Taxonomy approach ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Factors considered in taxonomy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Flight mechanics mode ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Flight regime ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Manoeuvre type ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Example flight envelope for air combat manoeuvres Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Configuration type ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Effect of design Mach number on configuration type Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Nature of the taxonomic matrix ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Fluid Dynamics phenomena ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Boundary layer transition ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Attachment-Line Contamination, Transition and Relaminarization Flight Mechanics Issues for Aircraft: AIAA-2009-0744 ATTACHMENT LINE REYNOLDS NUMBER RELAMINARIZATION PARAMETER LAMINAR TURBULENT DEPENDS RELAM NOT LIKELY RELAM POSSIBLE

Swept wing C Lmax : leading-edge scale effects (Yip,1993) Flight Mechanics Issues for Aircraft: AIAA-2009-0744 Chord Reynolds number

Crossflow transition for swept wings and non-axisymmetric body flows ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Boundary layer flow separation (no shock waves) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Shock-wave/boundary-layer interactions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Shockwave categories on supersonic slender wings ,[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Vortex stability, bursting and interactions ,[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Mixed flow regions – spanwise segmentation of flow separation ,[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Flight Mechanics Issues for Aircraft: AIAA-2009-0744 Flow control – successful or otherwise Gloster Javelin with Vortex Generators http://commons.wikimedia.org/wiki/Image:Gloster.javelin.xh903.arp.jpg

Causality – which flow phenomena? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Causality – preliminary conclusions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Predicting flow separation at transonic conditions Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Flow separation at low-speed and high-lift ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

The way forward (1) ‏ ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

New Common Research Model (AIAA 2008-6919) ‏ ,[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

The way forward (2) ‏ ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object]

Acknowledgements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Proposed framework for workshops ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Common Research Model (CRM) – see AIAA 2008-6919 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Transonic Buffet and Trailing-Edge Separation Data from CRM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flight Mechanics Issues for Aircraft: AIAA-2009-0744

Flight Mechanics Issues presentation

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