By James F. Marchman, Lloyd R. Jenkinson

Written for college students of aeronautical engineering and in accordance with a variety of precise plane layout initiatives, this wide-ranging publication attracts jointly the weather of plane layout and may aid any airplane layout undertaking. Written through skilled U.K. and U.S. dependent authors this can be a targeted source that opens up the preliminary layout strategy, explores the adventure of others on related initiatives, and clarifies the methods which are at the back of the equations and calculations utilized in plane layout. Armed with this information, readers can be freer to be aware of the leading edge and analytical features in their personal undertaking paintings.

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Extra info for Aircraft Design Projects for Engineering Students, Illustrated (Aiaa Education Series)

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The specified values are known as constraints. g. g. ). Each aircraft project will have a different set of such constraints. The design process known as constraint analysis is used to assess the relative significance of these constraints and their influence on the aircraft configuration. 6. The area of the graph is called the design space. Constraint lines can be plotted to show the relationship of the two aircraft parameters at the constraint value. These lines represent boundaries between the unacceptable and feasible regions of the design space.

This effectively ‘dimensionalises’ the drag of each component, and ultimately the whole aircraft, in terms of the area of a flat plate that would have an equivalent drag to the component. As might be expected, this method is sometimes referred to as ‘the equivalent flat plate area’. Drag area gives a better visualisation of the effectiveness (or otherwise) of the various components and their contributions to the total aircraft drag. It also provides an indication of the influence of the geometrical parameters of the component to its drag.

Eventually it will be necessary to choose a single aircraft configuration. This will mean that all the work on the rejected options may be wasted. This can be a very difficult part of the design process for a student design team. At this point, it is common for each member of the team to have invested a lot of time and energy into his or her own proposed design concept. It is often difficult to get team members to release their emotional ties to their own proposals and begin to embrace those of others or even to find a viable compromise.

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