Cold Thermal Energy Storage Characteristics of Spherical PCM Capsule
2008
Yun, H.S. (National Institute of Agricultural Engineering, RDA, Suwon, Republic of Korea), E-mail: [email protected] | Kwon, J.K. (National Institute of Agricultural Engineering, RDA, Suwon, Republic of Korea) | Jeong, H. (National Institute of Agricultural Engineering, RDA, Suwon, Republic of Korea) | Lee, H.D. (National Institute of Agricultural Engineering, RDA, Suwon, Republic of Korea) | Kim, Y.K. (National Institute of Agricultural Engineering, RDA, Suwon, Republic of Korea)
The freezing characteristics of two kinds of phase change materials (PCM) encapsulated in a spherical container were investigated with various cooling air temperatures and velocities. The super cooling and solidification time of PCM were highly affected by cooling air temperature and velocity. The experimental equations are derived to express total solidification time of the PCM in terms of Nusselt number and dimensionless temperature.
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