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Design of Next Generation Civil and Military Aircraft with Ultra-High Bypass Engine using Composites, Advanced Materials and Technology

  • Type:Project
  • Pages:17
  • Format:Microsoft Word
(Mechanical Engineering Project Topics & Materials)

Abstract

Indirect combustion noise had not been attracting research in the past, but recent indication seems to prove that it could be a threat in the future if not addressed. Means of reducing this type of noise to a low decibel value was also included. Noise is due to the ingestion of distorted atmospheric turbulence, as the two set of blades rotate in different direction. Open rotor noise is higher since the rotors are fully exposed to oncoming turbulence and lack ducting or a nacelle to attenuate the radiated sound. A thorough review on the technology that can replace conventional turbofan was carried out. It was found that none of this technology can meet up with the ACARE and NASA 2020 vision but left a gap to be filled. Because open rotor is the most proven engine that is able to satisfy this requirements, different methods are adopted and integrated to reduce open rotor noise. Attention was paid to the geometry of the blade, hub and blade length, the vorticity and interaction noise are simulated until an optimized blade was achieved. The integration problem of open rotor was addressed where the engine was located to minimize perceive noise to the payload.

Keywords: Aircraft, Composites, Noise, Open rotor, Advanced Technology


Design of Next Generation Civil and Military Aircraft with Ultra-High Bypass Engine using Composites, Advanced Materials and Technology

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Details

Type Project
Department Mechanical Engineering
Project ID MCE0214
Price ₦3,000 ($9)
No of Pages 17 Pages
Format Microsoft Word

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    Details

    Type Project
    Department Mechanical Engineering
    Project ID MCE0214
    Price ₦3,000 ($9)
    No of Pages 17 Pages
    Format Microsoft Word

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