aircraft design project 2
DESCRIPTION
students of aeronautical engineering can make a note of thisTRANSCRIPT
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AIRCRAFT DESIGN PROJECT-2…
EVALUATION OF CARGO PLANES…
DHANASEKARAN.KELAKKIYA.G
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OBJECTIVE:
Design a cargo aircraft by comparing the data and specifications of present aircrafts in this category.
Design Requirements:Cargo of weight - around 600000 kg Design range -4000 km Cruise speed -about 850 km/h.
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AIRCRAFT POSSESS;High Wing, Tricycle landing gear,Twin tail arrangement,Turbofan Engine.
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DESIGN PROCESS-AN OVERVIEW:
•Conceptual design studies • Preliminary design studies • Detail design studies
The preliminary design has been done of cargo aircraft
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preliminary design:
Collection of comparative data Selection of aircraft parameters Preliminary weight estimations Selection of Power plant Airfoil selection, flaps Wing layout Critical performance parameters 3 view diagram
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V-n Diagram:
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V-n Diagram…..
IMPORTANT VELOCITIES:
The main velocities that r plotted in the V-n
diagram are:
I. Stall Velocity
II. Design Maneuvering Velocity
III. Design Cruise Velocity
IV. Design Dive Velocity
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V-n Diagram…..
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GUST AND MANEUVERABILITY ENVELOPES
"outside the envelope”
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STRUCTURAL ANALYSIS OF WING
“Box Beam (distributed flange) concept-built-up or integral
construction”
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Advantages:
Simpler construction & assembly Reduced sealing/jointing problems Reduced overall assembly time/costs
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SPAR:
Front spar at 15% of chord, Middle spar at 45% of chord and Rear spar at 70% of chord
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SPARS
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FUSELAGE:
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FUSELAGE STRUCTURAL ANALYSIS
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STRINGERS:
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DETAILED DESIGN REPORT
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