STUDY OF FROST PROPERTIES IN A LOW TEMPERATURE ENVIRONMENT
Clarification of the frost deposition mechanism in a low-temperature environment is an important issue in the application of heat exchangers in low-temperature equipments such as showcases and unit coolers. Therefore, frost properties were measured at air temperatures below 0℃. It was observed that needle-shaped frost crystals were formed under the chilled condition (when air temperature was varied from 0 to –5℃), and block shaped frost crystals were formed under the frozen condition (when air temperature was varied from –10 to –20 ℃). Under those conditions, frost properties such as density, thermal conductivity, heat transfer coefficient, and mass transfer coefficient, were measured and the results discussed.
K.YAMASHITA M.HAMADA S.ISE H.OHKUBO
Mitsubishi Electric Corporation, 1-1, Ofuna 5-chome,Kamakura, Kanagawa 247-8501, Japan Dept. of Mech. Eng., Tamagawa University, 1-1, Tamagawagakuen 6-chome,Machida, Tokyo 194-8610, Japan
国际会议
The 22nd International Congress of Refrigeration(第22届国际制冷大会)
北京
英文
2007-08-21(万方平台首次上网日期,不代表论文的发表时间)