Riyadh Makki Hashim (2021) “Numerical Study of Phase Change Material Thermal Performance During Melting process at a Vertical Double Pipe Latent Heat Thermal Energy Storage Unit Having Conical Inner Pipe”, Design Engineering, pp. 7706- 7717. Available at: http://thedesignengineering.com/index.php/DE/article/view/3281 (Accessed: 28April2024).