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Volume 41 Issue 5
May  2015
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Journal of Beijing University of Aeronautics and Astronautics  > 2015  >  41(5): 879-884.
YIN Hailian, YU Xiongqing. Analysis of impact of use of composite materials on direct operating costs of airliners[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(5): 879-884. doi: 10.13700/j.bh.1001-5965.2014.0320(in Chinese)
Citation: YIN Hailian, YU Xiongqing. Analysis of impact of use of composite materials on direct operating costs of airliners[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(5): 879-884. doi: 10.13700/j.bh.1001-5965.2014.0320(in Chinese)
shu

Analysis of impact of use of composite materials on direct operating costs of airliners

doi: 10.13700/j.bh.1001-5965.2014.0320
  • 1.

    Research Institute of Unmanned Aircraft, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

  • 2. Key Laboratory of Fundamental Science for National Defense-Advanced Design Technology of Flight Vehicle, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

  • Received Date: 04 Jun 2014
  • Rev Recd Date: 05 Dec 2014
  • Publish Date: 20 May 2015
    Abstract
  • The impact of the use of composite materials on the direct operating cost (DOC) of airliners needs to be evaluated at the preliminary stage of aircraft design. An analysis of the influence of the use of composite materials on aircraft cost and weight was carried out. A revised model for airliner weight and cost estimation was developed. An evaluation method was proposed to quantify the benefits of the use of composite materials in airliner design. A 150-seat airliner was used as a case for study. The impact of the percentage of the use of composite materials on DOC was evaluated for airliner design. The impacts of the fluctuation of aircraft price, fuel price and maintenance cost on DOC were investigated. The results show that the DOC of airliners declines with the increase of the percentage of the use of composite materials. With the increase of fuel prices, application of composite materials in aircraft design can bring remarkable economic benefits as the reduction of the costs of manufacturing and maintenance of the airframe of composite materials can lead to a significant decrease of the DOC of aircrafts of composite materials.

     

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