Modeling coal dust dispersion from pile with protection barriers Mykola Biliaiev, Viktoriia Biliaieva, Oleksandr Berlov, Vitalii Kozachyna, Pavlo Kirichenko, Oladipo Mutiu Olatoye and Viktoriia Poltoratska E3S Web Conf., 168 (2020) 00021 Published online: 06 May 2020 DOI: 10.1051/e3sconf/202016800021