Aerodynamic Essentials for Crew Station Design Teams

Aerodynamic Essentials for Crew Station Design Teams

Kevin M. Smith (United Airlines (Retired) and United States Navy (Retired), Mesquite, NV, USA)
DOI: 10.4018/IJASOT.2015010101
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Abstract

Increasing emphasis is being placed on various aspects of flight dynamics in aviation. This includes such things as upset and stall recovery, wind shear recovery, and approach instability recovery. Operators, safety analysts, and designers are now actively discussing “dynamic situation awareness.” Because of this, there is the need to understand the dynamic nature of flight operations, and incorporate this understanding in state-of-the-art flight deck systems and training programs. This article offers designers, operators, and trainers a quick review of some of the most important aspects of flight dynamics so as to develop programs, procedures, and systems that contribute directly to improving dynamic situation awareness.
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Introduction

This article provides a quick review of aerodynamic fundamentals with particular emphasis on large-swept wing transport aircraft (Figure 1). First the energy management and the flight envelope will be covered. Next, aerodynamic forces, dynamic stability, and axis control are discussed. A swept-wing turbine-powered aircraft behaves in certain predictable ways and these behaviors must be clearly understood in order to design effective mission performance aids for both normal engine operations as well as engine-out operations (also known as degraded propulsion system operations).

Figure 1.

The B-58 Hustler is an example of advanced aerodynamics

Flight Dynamics

The dynamic aspects of flight operations are important to understand. Aspects such as the forces, control features, energy states, and stability boundaries must be considered and will often require a serious amount of design and testing to get things right. This section covers energy management, load factor, and the aerodynamic flight envelope.

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