Study of convective heat transfer in flat plate solar collectors Yedilkhan Amirgaliyev, Murat Kunelbayev, Aliya Kalizhanova, Beibut Amirgaliyev, Ainur Kozbakova, Omirlan Auelbekov and Nazbek Kataev ITM Web Conf., 24 (2019) 01009 Published online: 01 February 2019 DOI: 10.1051/itmconf/20192401009