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Advanced Aircraft Design: Conceptual Design, Analysis and - download pdf or read online

By Egbert Torenbeek(auth.)

ISBN-10: 1118568109

ISBN-13: 9781118568101

ISBN-10: 1118568117

ISBN-13: 9781118568118

Although the final visual appeal of contemporary airliners has now not replaced much because the advent of jetliners within the Nineteen Fifties, their defense, potency and environmental friendliness have more advantageous significantly. major participants to this were fuel turbine engine know-how, complicated fabrics, computational aerodynamics, complicated structural research and on-board platforms. given that plane layout turned a hugely multidisciplinary job, the improvement of multidisciplinary optimization (MDO) has turn into a favored new self-discipline. regardless of this, the appliance of MDO through the conceptual layout section isn't but widespread.

Advanced plane layout: Conceptual layout, research and Optimization of Subsonic Civil Airplanes provides a quasi-analytical optimization strategy according to a concise set of sizing equations. goals are aerodynamic potency, undertaking gas, empty weight and greatest takeoff weight. autonomous layout variables studied comprise layout cruise altitude, wing sector and span and thrust or energy loading. critical  good points of built-in techniques akin to the mixed wing and physique and hugely non-planar wings also are covered. 

The quasi-analytical method allows designers to match the result of high-fidelity MDO optimization with lower-fidelity tools which want a ways much less computational attempt. one other virtue to this process is that it might probably offer solutions to “what if” questions swiftly and with little computational cost.

Key features:

  • Presents a brand new primary imaginative and prescient on conceptual plane layout optimization
  • Provides an summary of complex applied sciences for propulsion and lowering aerodynamic drag
  • Offers perception into the derivation of layout sensitivity information
  • Emphasizes layout according to first principles
  • Considers professionals and cons  of leading edge configurations
  • Reconsiders optimal cruise functionality at transonic Mach numbers

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

Chapter 1 layout of the Well?Tempered plane (pages 1–30):
Chapter 2 Early Conceptual layout (pages 31–58):
Chapter three Propulsion and Engine know-how (pages 59–79):
Chapter four Aerodynamic Drag and Its aid (pages 81–120):
Chapter five From Tube and Wing to Flying Wing (pages 121–155):
Chapter 6 fresh Sheet layout (pages 157–195):
Chapter 7 airplane layout Optimization (pages 197–227):
Chapter eight concept of optimal Weight (pages 229–259):
Chapter nine Matching Engines and Airframe (pages 261–279):
Chapter 10 components of Aerodynamic Wing layout (pages 281–318):
Chapter eleven The Wing constitution and Its Weight (pages 319–362):
Chapter 12 Unified Cruise functionality (pages 363–391):

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Additional resources for Advanced Aircraft Design: Conceptual Design, Analysis and Optimization of Subsonic Civil Airplanes

Sample text

A baseline engine is then characterized by its installed take-off thrust. Variations of engine performances with altitude and speed are described by generalized characteristics such as thrust as a fraction of take-off thrust – the thrust lapse rate – and specific fuel consumption (SFC) or overall efficiency of the engine. Scaling relationships for engine size and weight are derived from the engine manufacturer’s information. Rubberizing includes the effects on the engine’s installation characteristics which means that nacelles are scaled up or down so that performance losses due to nacelle drag and power off-takes are properly taken into account.

Airplanes with stringent airfield performances require advanced high-lift devices. Options are variable camber, full-span flaps and powered lift by means of externally blown flaps or engines blowing over the wing. Reduction of aerodynamic flap/slat noise and manipulation of trailing vortices can have a favourable effect on air traffic management (ATM) and environmental compatibility. • Flight control systems. Flight envelope protection and stability augmentation are accommodated by a flight control computer and active controls.

For a particular project more alternatives can be added, other topics may already have been eliminated beforehand. Chapters 3 and 4 are dedicated to identifying improvements of aerodynamic and propulsive efficiencies. Specific technologies with a large impact on the overall airplane layout are treated extensively in Chapters 5 and 6. Factors driving the design of airliners are relevant to some extent for business aircraft design as well: • Propulsion. Turbofans of the next generation of civil aircraft are expected to have an ultrahigh bypass ratio and geared turbofans.

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Advanced Aircraft Design: Conceptual Design, Analysis and Optimization of Subsonic Civil Airplanes by Egbert Torenbeek(auth.)

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