Constructional design and mixed convection heat transfer inside lid-driven semicircular cavity Feroz Ahmed Soomro, Muhammad Hamid, Syed Tayyab Hussain and Rizwan Ul Haq Eur. Phys. J. Plus, 137 7 (2022) 781 Published online: 06 July 2022 DOI: 10.1140/epjp/s13360-022-03009-7