Computational Study of a Spiral Pipe Collector for Solar Water Heating SystemBakhtiyorjon Saidov, Kahramon Tukhsanov, Lyudmila Irmuhamedova, Gulmurod Zaripov, Anvar Khikmatov and Husen SafoevE3S Web Conf., 692 (2026) 01010DOI: https://doi.org/10.1051/e3sconf/202669201010