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The effects of inlet airflow angle on the quality of mixing air distribution in an aircraft cabin mock-up

Author

Listed:
  • Mahmoud Mohamed Attalla

    (South Valley University, Qena, Egypt)

  • Mohamed Abdelfadiel Mohamed

    (South Valley University, Qena, Egypt)

  • Sabry Mohamed Iraqi

    (Luxor International Airport, Luxor, Egypt)

Abstract

This paper presents a numerical investigation on the effects of inlet airflow angle on the airflow, temperature and CO2 concentration fields in a three-row airliner cabin. The computations are conducted using Ansys-Fluent and the numerical results were compared against published experimental data. The inlet airflow is supplied into the aircraft cabin at six different directions of A (0°, 180°), B (355°, 185°), C (350°, 190°), D (340°, 200°), E (330°, 210°) and F (315°, 225°). The numerical results showed that flow pattern, temperature distributions and CO2 levels are improved significantly inside the whole cabin and at passengers’ breathing zones in case of changing the inlet airflow angle. The performance of mixing-air distribution system for the whole aircraft cabin is enhanced remarkably in case of using small inlet angles. Angles B (5°) and C (10°) provided the best ventilation performance among the six tested angles within the whole cabin and at local breath zones of passengers in terms of thermal and health comfort. Moreover, inlet airflow angle C (10°) showed high constancy and stability in the pattern of the flow field and temperature and low CO2 level in cabin centre area compared to inlet airflow angle B (5°) for both the whole aircraft cabin and local breathing

Suggested Citation

  • Mahmoud Mohamed Attalla & Mohamed Abdelfadiel Mohamed & Sabry Mohamed Iraqi, 2017. "The effects of inlet airflow angle on the quality of mixing air distribution in an aircraft cabin mock-up," Journal of Advances in Technology and Engineering Research, A/Professor Akbar A. Khatibi, vol. 3(4), pages 133-143.
    • Handle: RePEc:apb:jaterr:2017:p:133-143
    DOI: 10.20474/jater-3.4.3
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    References listed on IDEAS

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    1. Muhamad Suharso Nugroho & Muhammad Suryanegara, 2016. "Analysis of interference of unmanned aircraft system (UAS) and fixed service at frequency band 12.5-12.75 GHz by considering the factor of rain attenuation," Journal of Advances in Technology and Engineering Research, A/Professor Akbar A. Khatibi, vol. 2(5), pages 164-169.
    2. Guo Rui & Zhong Zhaowei, 2017. "Forecasting the Air Passenger Volume in Singapore: An Evaluation of TimeSeries Models," International Journal of Technology and Engineering Studies, PROF.IR.DR.Mohid Jailani Mohd Nor, vol. 3(3), pages 117-123.
    3. S. M. Phyoe & Y. X. Lee & Z. W. Zhong, 2016. "Determining the Future Demand: Studies for Air Traffic Forecasting," International Journal of Technology and Engineering Studies, PROF.IR.DR.Mohid Jailani Mohd Nor, vol. 2(3), pages 83-86.
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