Low Temperature This Layer Drying Model of Rough Rice
Kim, H.;Kim, O.W.(Korea Food Research Institute, Sungnam, Republic of Korea) | Keum, D.H.(Sungkyunkwan University, Suwon, Republic of Korea)E-mail:[email protected]
This study was performed to develop this layer drying equations for low temperature. Thin layer drying tests of short grain rough rice were conducted at three low temperature levels of 15, 25, 35℃ and two relative humidity levels of 30, 50%, respectively. The measured moisture ratios were fitted to the selected four drying models (Page, Thompson, Simplified diffusion and Lewis model) using stepwise multiple regression analysis. The overall drying rate increased as the drying air temperature was increased and as relative humidity was decreased, but the effect of temperature increase was dominant.
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