H. Cheghib  , K.M. Behim  , A. Benretem  , S. Saad  , 
    Friction Factor in the Mine Airways of Different Wall Support,
    Journal of Engineering and Applied Sciences,
    Volume 2,Issue 1,
    2007,
    Pages 214-218,
    ISSN 1816-949x,
    jeasci.2007.214.218,
    (https://makhillpublications.co/view-article.php?doi=jeasci.2007.214.218)
    Abstract: This study is concerned with the investigation of the friction factor between the airflow and the lining in an excavation in a typical mine. This study is based on in-situ measurements, laboratory tests, and theoretical analysis. The results are critically compared and practical conclusions are drawn.
    Keywords: Friction;resistance;ventilation