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A thin layer drying model describes

  • A.The pressure drop through a packed bed
  • B.The equilibrium moisture at a given humidity
  • C.Moisture ratio of a single layer against time
  • D.The temperature profile through a deep bed

Answer: C

It is fitted to experimental data with expressions such as the Page or Henderson equations and becomes the building block for deep bed simulation. A deep bed is treated as a stack of thin layers, each seeing the air leaving the one below.

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