ZHANG Jiajie, QU Zhiguo, MA Suxia, et al. Heat transfer performance of hollow aluminium structure filled with PCM[J]. CIESC Journal, 2017, (5): 1845-1851.
ZHANG Jiajie, QU Zhiguo, MA Suxia, et al. Heat transfer performance of hollow aluminium structure filled with PCM[J]. CIESC Journal, 2017, (5): 1845-1851.DOI: 10.11949/j.issn.0438-1157.20161417.
The transient thermal performances of hollow aluminium structure filled with PCM (phase change material) are experimentally studied. The effects of related parameters with porosity and hole diameter are discussed. Results show that the heat transfer process can be divided into three stages
including the sensible heat region before melting
the melting region
and the sensible heat region after melting. The temperature control time for sample with PCM is 2.5 times than that without PCM due to the absorption of latent heat in the melting region. The sample with higher porosity or higher hole diameter behaves the larger temperature difference between heated and back surfaces