Purpose – This paper seeks to investigate the effects of different influential factors on consumer perceptions of uncertainty for online shopping. Design/methodology/approach – In this research, consumer perceptions of uncertainty have been divided into perceived commodity uncertainty and...

In this paper, a numerical model is established to predict the phase change material (PCM) melting process in porous media. The heat transfer enhancement technique using metal foam in a shell-and-tube type latent heat thermal energy storage (LHTES) unit is investigated. The solid–liquid phase...