Abstract
In order to examine if the heat conduction in porous material behaves like a wave as claimed by other researchers, experiments on transient heat transfer is conducted in casting sand. The results show that the heat propagation can be described neither by wave nor by diffusion model. The CV-wave concept is discussed and challenged according to the experimental results in the entire transient stage, including the transient response of temperature and the response curve of penetration-depth versus penetration-time.
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Yunsheng, X., Yingkui, G. & Zengyuan, G. Experimental research on transient heat transfer in sand. Acta Mech Sinica 12, 39–46 (1996). https://doi.org/10.1007/BF02486760
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DOI: https://doi.org/10.1007/BF02486760