Design of Heat and Fluid Flow in Cold Container Using CFD Simulation
2008
Yun, H.S. (National Academy of Agricultural Science, RDA, Suwon, Republic of Korea), E-mail: [email protected] | Kwon, J.K. (National Academy of Agricultural Science, RDA, Suwon, Republic of Korea) | Jeong, H. (National Academy of Agricultural Science, RDA, Suwon, Republic of Korea) | Lee, H.D. (National Academy of Agricultural Science, RDA, Suwon, Republic of Korea) | Kim, Y.K. (National Academy of Agricultural Science, RDA, Suwon, Republic of Korea)
Because thermal non-uniformity of transported agricultural products is mainly affected by cooling air flow pattern in the cold transport equipment, the analysis and control of flowfield is key to optimization of cold transport equipment. The objectives of this study were to estimate the effects of geometric and operating parameters of cold container on the air flow and heat transfer, and find the optimum design parameters for the low temperature level and its uniformity in given cold container with CFD simulations. Existences of ducts, gaps between pallets and geometries of exit as geometric parameters and fan blowing velocity as operating parameter were investigated. CFD simulations were carried out with the FLUENT 6.2 code. The result showed that optimum design condition was bulk loading with no duct, wall exit and 8.0 m/s of fan blowing velocity.
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