In this work, Discrete Element Method (DEM) is used in order to calculate the motion of granular material in rotating dryers. We are particularly interested in analysing the effect of flight shape on the behaviour of spherical particles in the cross section of the dryer. We will be using two segments flights and three different profiles : a straight flight (180° between both segments), an angled flight (with an angle of 120°) and a rightangled flight (90°). The results show that the profile of the flight affects significantly the motion of the particles in the cross section of the dryer. Changing the angle between the segment’s flight, changes the flight loading and thus the material hold-up which leads to different discharging profiles of the flight. For a right angled flight, the range of the discharge angle increases leading to a more uniformized cascade pattern in time and an enlarging of the area occupied by the curtains of particles. The specific durations (discharging time, falling time) are also determined and studied as a function of the flight shape.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Influence of flight shape on discharging profiles of granular material in rotary dryer


    Beteiligte:
    Benhsine Ilham (Autor:in) / Hellou Mustapha (Autor:in) / Lominé Franck (Autor:in) / Roques Yves (Autor:in)


    Erscheinungsdatum :

    2017




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt


    Schlagwörter :


    Feeding and discharging lifting device of freeze dryer

    HU ZHIGUO | Europäisches Patentamt | 2024

    Freier Zugriff

    Advanced control of a rotary dryer

    Yliniemi, L. (Leena) | BASE | 1999

    Freier Zugriff


    New Flight Profiles

    Z. Brodzki | NTIS | 1978


    Rotary wing flight testing

    Brown, H.S. | Engineering Index Backfile | 1964