Riyadh Makki Hashim. 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. DE [Internet]. 2021Aug.9 [cited 2024Apr.28];:7706- 7717. Available from: http://thedesignengineering.com/index.php/DE/article/view/3281