هواپيما: طراحي، تکنولوژي و ايمني -مسائل ترابري، خط مشي ها و تحقيق و توسعه

مقدمه:

In early stages of an aircraft design process, it is necessary to determine the minimum thrust or power requirement and rapidly select the appropriate propulsion, which involves a tight coupling between flight performance and missions’ analyses, engine performance prediction and design optimization. The first chapter of this book provides an overview of how to determine the minimum thrust or power requirements for jet and propeller driver transport aircraft. The second chapter examines the comprehensive modeling and design of production processes of aircraft assembly. The final chapter focuses on the computational modeling of the Be-200 and Be-103 amphibious aircraft models.
Chapter 1 – This chapter provides an overview how to determine the minimum thrust/power requirement for jet and propeller-driven transport aircrafts. Flight missions’ envelope and performance analyses are used to assess the relatively significant constraints and rapidly identify the feasible design space, and then obtain the optimum match-point in terms of thrust/power-to-weight ratio and wing-loading based on optimization methods.
This point is said to be a well-balanced design and allows identifying the best propulsion system. The minimum fuel consumption is a prominent factor in
the engine design, which is translated into a longer range, whereas the high specific thrust leads to reducing the engine cross sectional area which directly influences engine weight and installation. The second part of this chapter deals with the design optimization of turbofan engines based on the thrust specific fuel consumption, involving the thrust at takeoff, size and weight estimation.
For turboprop engines a bi-objective Pareto approach considering the maximum specific power and minimum power specific fuel consumption allowed retaining the best configuration of an engine.
Chapter 2 – Problems of formation of a set of models of parallel design are considered. This set of models allows development of electronic models of
a product, technological processes and manufacturing systems and a working out of constructive-technological and organizational solutions of assembly production using simulation models and systems of calculation of manufacturability parameters. Also the article says about an integrated
computer aided system of technological design and production planning, which is used in development of electronic models of a product, technological
processes and manufacturing systems.
Chapter 3 – The paper reviews the issues of 3D computer modeling of amphibious aircraft B?-200 and B?-103 developed by Beriev Aircraft Company. It also represents historical stages of amphibious aircraft development and designing. Computer modeling of Be-200 and Be-103 aircraft makes use of drawings and photos of these objects. Computer modeling utilizes 3D modeling graphic system 3 ds Max. The amphibious aircraft structural parts are modeled using polygonal extrusion methods. The modeling itself is followed by materials and textures assignment at the subobject level. Rendering is made by the advanced diffuse illumination methods. The paper represents also the realistic rendering of the amphibious aircraft 3D models.
 
        2015       :سال نشر       
Collin Parker :نويسنده
Nova Science Publishers :انتشارات
AD03-Aircraft Design :کد و دسته

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