Download Advanced Aircraft Design: Conceptual Design, Technology and by Egbert Torenbeek PDF

By Egbert Torenbeek

Although the final visual appeal of recent airliners has now not replaced much because the advent of jetliners within the Fifties, their defense, potency and environmental friendliness have greater significantly. major members to this were fuel turbine engine expertise, complex fabrics, computational aerodynamics, complicated structural research and on-board structures. considering the fact that plane layout grew to become a hugely multidisciplinary task, the advance of multidisciplinary optimization (MDO) has turn into a favored new self-discipline. regardless of this, the applying of MDO throughout the conceptual layout section isn't but widespread.

Advanced plane layout: Conceptual layout, research and Optimization of Subsonic Civil Airplanes offers a quasi-analytical optimization method in line with a concise set of sizing equations. goals are aerodynamic potency, challenge gasoline, empty weight and greatest takeoff weight. self sustaining layout variables studied comprise layout cruise altitude, wing region and span and thrust or strength loading. Principal  positive factors of built-in thoughts similar to the mixed wing and physique and hugely non-planar wings also are covered. 

The quasi-analytical method permits designers to match the result of high-fidelity MDO optimization with lower-fidelity equipment which want a ways much less computational attempt. one other virtue to this strategy is that it will possibly offer solutions to “what if” questions quickly and with little computational cost.

Key features:
• provides a brand new primary imaginative and prescient on conceptual plane layout optimization
• offers an outline of complicated applied sciences for propulsion and lowering aerodynamic drag
• bargains perception into the derivation of layout sensitivity information
• Emphasizes layout in response to first principles
• Considers execs and cons  of leading edge configurations
• Reconsiders optimal cruise functionality at transonic Mach numbers

Advanced plane layout: Conceptual layout, research and Optimization of Subsonic Civil Airplanes advances knowing of the preliminary optimization of civil airplanes and is a must have reference for aerospace engineering scholars, utilized researchers, airplane layout engineers and analysts.

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Additional info for Advanced Aircraft Design: Conceptual Design, Technology and Optimization of Subsonic Civil Airplanes (Aerospace Series)

Example text

Aircraft Conceptual Design Synthesis, Professional Engineering Publishing, London, 2000. , and J. Marchman, Aircraft Design Projects, Butterworth Heinemann, Oxford, 2003. , and H. Deconinck (eds), Innovative Configurations and Advanced Concepts for Future Civil Aircraft, von K´arm´an Institute for Fluid Dynamics, Lecture Series 2005-06, June 2005. , Reston, Virginia, 2006.

3 is helpful for understanding the design 1 This rather complex selection problem must not be confused with mission performance analysis and optimization for an aircraft with given physical properties, a favoured, but not always properly treated topic of flight mechanics research (see Chapter 12). 4 Boeing 777 project development milestones [36] effort which is essential for a successful project. The complete process is subdivided into product design, manufacturing and testing phases. The product design process is broken down into conceptual design, preliminary design and detail design.

These optima are interesting because they identify the ultimate design quality achievable for a given generic task – moving a payload over a given distance. Although practical considerations associated with technological limits may degrade this ‘well-tempered aircraft design’ into an unfeasible solution, the penalty to be paid for the best feasible solution becomes explicit by comparing it with the unconstrained optimum. The analytical approach may also give useful information on the sensitivity of a design to small changes in the TLRs and technological parameters.

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