Transient modelling of heat loading of phase change material for energy storage W.M. Asyraf, Anusuiah Vasu, Ftwi Y. Hagos, M. M. Noor and Rizalman Mamat MATEC Web Conf., 90 (2017) 01078 Published online: 20 December 2016 DOI: 10.1051/matecconf/20179001078