Classification of drying models for porous solids

K. M. Waananen, J. B. Litchfield, M. R. Okos

Research output: Contribution to journalArticlepeer-review


Models to describe drying processes are necessary for engineering design and optimization. Many research studies in the past century have had the objective of developing mathematical models to describe drying processes in porous solids. This review identifies key characteristics of drying models including controlling process resistances, internal mechanisms of moisture movement, and methods of model coefficient determination, model solution, and model validation. Similarities and differences between previous work are noted, and strategies for future drying model development are discussed.

Original languageEnglish (US)
Pages (from-to)1-40
Number of pages40
JournalDrying Technology
Issue number1
StatePublished - 1993


  • drying review
  • mathematical models

ASJC Scopus subject areas

  • General Chemical Engineering
  • Physical and Theoretical Chemistry


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