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Performance Analysis of Hot Air Anti-icing System of Aeroengine Inlet Guide Vane of Complex Material

Author: ShenDong
Tutor: ZhangDaLin
School: Nanjing University of Aeronautics and Astronautics
Course: Machine and Environmental Engineering
Keywords: Droplet collection coefficient Anti-ice thermal load Hot anti-icing Numerical Ice tunnel test
CLC: V233.94
Type: Master's thesis
Year: 2009
Downloads: 125
Quote: 0
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Abstract


Aircraft through the clouds , the clouds containing supercooled water droplets hit the windward side is frozen to the aircraft , known aircraft icing . Icing of the aircraft has great harm, therefore need to affect the safety of aircraft icing on the surface of ice or de-icing system fortification . The main work on the engine vane leading edge composite material for hot anti-icing system design. First , the use of numerical simulation method for guide vanes external flow field analysis, on this basis, using Euler's method to establish the characteristic equation Droplet of water collected coefficients were calculated by establishing and solving the heat balance of the blade surface equation, the system is completely evaporated surface anti-icing and anti-icing wet both cases, the leaf surface anti-icing thermal loads , and analyzes different flight conditions and meteorological conditions on the water collection coefficient. Secondly, the proposed and designed based on micro -channel heat impinging jet and anti-ice vanes cavity structure in selected anti-icing conditions, with values ??calculated thermal load results as the anti-icing anti-icing system for the heat flow , carried out design calculations. Finally, the design of the guide vanes heat anti-ice chamber system were studied . Numerical methods for verification testing . Use of existing DC-style ice wind tunnel to simulate the guide vane ice protection system flight and meteorological conditions , the composite vanes hot anti-ice systems engineering was provided.

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CLC: > Aviation, aerospace > Aviation > Aero-engine ( propulsion system ) > Engine attachment system > Engine anti - ice system
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