The environmental control system in most commercial airliner cabins supplies air from shoulder and ceiling level and exhausts air at floor level on both sides of the cabin walls. The ventilation system mixes air in the cabins to create a relative uniform air temperature distribution which is great for passengers’ thermal comfort. However, the mixing ventilation also enhances airborne contaminant transfer. Many displacement ventilation methods have been proposed to use in aircraft cabins, but the disadvantages of the ventilation approach are usually creating draft on the passengers’ ankles and high air temperature stratification between passengers’ heads and feet. This investigation developed an aisle displacement ventilation (ADV) system which can reduce air temperature stratification effectively without occupying the legroom space under the seats, so it is good for passengers and crew members’ comfort and friendly for luggage storage, in addition, it can also be easily installed in aircraft cabins. By installing the system in a five-row, twin-aisle cabin mockup, our study found that the ADV system can create a low air velocity distribution in the cabin and can maintain an acceptable air temperature stratification without draft. The system created an uprising airflow which can effectively remove airborne contaminant which was generated from index passengers’ respiratory activities. The experimental data were used to validate a computational-fluid-dynamics (CFD) program. The validated CFD program was used to compare the ADV with under-seat displacement ventilation (USDV) and underfloor air distribution (UFAD) system along the aisles. The comparison results show that the ADV had obvious better thermal comfort than the other two systems, and the cabin air quality of the three ventilation systems was similar, all far better than the “perfectly-mixed” ventilated condition.


    Access

    Download


    Export, share and cite



    Title :

    An Aisle Displacement Ventilation System for Twin-Aisle Commercial Airliner Cabin


    Contributors:
    Wang Feng (author) / Chen Fan (author) / Zhang Tengfei (Tim) (author)


    Publication date :

    2023




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown




    Optimizing contaminant sensor locations in a twin-aisle aircraft cabin

    Zhang, T. / Lin, C. / Chen, Q. et al. | British Library Conference Proceedings | 2007


    Airliner passenger suite seating arrangements with shared aisle suite access

    DOWTY MARK B / PENCE TRACY N / ROUND MATT et al. | European Patent Office | 2020

    Free access

    AIRLINER PASSENGER SUITE SEATING ARRANGEMENTS WITH SHARED AISLE SUITE ACCESS

    DOWTY MARK B / PENCE TRACY N / ROUND MATT et al. | European Patent Office | 2019

    Free access

    AIRLINER PASSENGER SUITE SEATING ARRANGEMENTS WITH SHARED AISLE SUITE ACCESS

    DOWTY MARK B / PENCE TRACY N / ROUND MATT et al. | European Patent Office | 2017

    Free access

    AIRLINER PASSENGER SUITE SEATING ARRANGEMENTS WITH SHARED AISLE SUITE ACCESS

    DOWTY MARK B / PENCE TRACY N / ROUND MATT et al. | European Patent Office | 2021

    Free access