Numerical Simulation on Superheated Steam Fluidized Bed Drying at Different Operating Pressures
During superheated steam fluidized bed drying process, the operating pressure has an important influence on heat and mass transfer characteristics and the vapor-solid two-phase flow characteristics. Based on the two-dimensional unsteady model of rapeseeds drying process, the influence of operating p...
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| Veröffentlicht in: | International journal of food engineering 2017-10, Vol.13 (10) |
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| container_title | International journal of food engineering |
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| creator | Zhifeng, Xiao Fan, Zhang Lei, Xu Jianhong, Wang Nanxing, Wu |
| description | During superheated steam fluidized bed drying process, the operating pressure has an important influence on heat and mass transfer characteristics and the vapor-solid two-phase flow characteristics. Based on the two-dimensional unsteady model of rapeseeds drying process, the influence of operating pressure on the superheated steam fluidized bed drying kinetics was revealed by computer numerical simulation. The quantitative analysis of relationship between operating pressure and maximum drying rate was conducted under negative pressure, near atmospheric pressure and high pressure environment, respectively. The optimum operating pressure values for superheated steam fluidized bed drying were obtained with the imported superheated steam temperature and superficial velocity. The simulation results provide a theoretical reference for superheated steam fluidized bed drying technology applying to agro-processing projects. |
| doi_str_mv | 10.1515/ijfe-2017-0093 |
| format | Article |
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Based on the two-dimensional unsteady model of rapeseeds drying process, the influence of operating pressure on the superheated steam fluidized bed drying kinetics was revealed by computer numerical simulation. The quantitative analysis of relationship between operating pressure and maximum drying rate was conducted under negative pressure, near atmospheric pressure and high pressure environment, respectively. The optimum operating pressure values for superheated steam fluidized bed drying were obtained with the imported superheated steam temperature and superficial velocity. 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Based on the two-dimensional unsteady model of rapeseeds drying process, the influence of operating pressure on the superheated steam fluidized bed drying kinetics was revealed by computer numerical simulation. The quantitative analysis of relationship between operating pressure and maximum drying rate was conducted under negative pressure, near atmospheric pressure and high pressure environment, respectively. The optimum operating pressure values for superheated steam fluidized bed drying were obtained with the imported superheated steam temperature and superficial velocity. The simulation results provide a theoretical reference for superheated steam fluidized bed drying technology applying to agro-processing projects.</abstract><pub>De Gruyter</pub><doi>10.1515/ijfe-2017-0093</doi><tpages>10</tpages></addata></record> |
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| subjects | maximum drying rate numerical simulation operating pressure superheated steam fluidized bed drying |
| title | Numerical Simulation on Superheated Steam Fluidized Bed Drying at Different Operating Pressures |
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