Study of convective heat transfer in flat plate solar collectorsYedilkhan Amirgaliyev, Murat Kunelbayev, Aliya Kalizhanova, Beibut Amirgaliyev, Ainur Kozbakova, Omirlan Auelbekov and Nazbek KataevITM Web Conf., 24 (2019) 01009DOI: https://doi.org/10.1051/itmconf/20192401009