Investigating the kinetics at low temperature heat pump drying and conventional drying of osmotic dehydrated blueberries
The possibilities for low-temperature heat pump and conventional drying of blueberries during preliminary osmotic dehydration was studied. A full factor experiment of type 22+3 was performed. The kinetics of the process during variation of the main mode parameters: inlet temperature and thickness of...
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| Auteurs principaux: | , , , , , |
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| Format: | article |
| Langue: | EN FR |
| Publié: |
EDP Sciences
2021
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| Accès en ligne: | https://doaj.org/article/db4890d0e9524221b5bf36f53b6b467a |
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| Résumé: | The possibilities for low-temperature heat pump and conventional drying of blueberries during preliminary osmotic dehydration was studied. A full factor experiment of type 22+3 was performed. The kinetics of the process during variation of the main mode parameters: inlet temperature and thickness of the drying layer (load on the scaffolding) was studied. The curves of the drying process U = f (τ) and the curves of the drying speed dU / dτ = f (U) were constructed. The influence of the regime parameters on the drying time was established. Regression models of the drying coefficient during the second period of drying were presented. |
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