Experimental investigation to improve the performance of thermal storage unit with flat Microheat pipe arraysM. Shanmugam, S. Sundararaj, P.Sri Nivas Vel, S. Sanjai, E.P. Vairochanan and B. SuthakarE3S Web Conf., 619 (2025) 03009DOI: https://doi.org/10.1051/e3sconf/202561903009