Modelling ventilated potato bulk storage facilities

Nik L.M. Grubben

Research output: Thesisinternal PhD, WU


The conventional potato bulk storage facilities are climate controlled. The climate control is based on rules of thumb. Due to seasonality, continuous changes in climate and varieties, and quality evaluations once a year, the optimisation of the storage of potatoes proceeds slowly. The potential of improving the storage process is accelerated by the developed spatially distributed storage model, as found in my PhD thesis. The mathematical model describes temperature, moisture, carbon dioxide and reducing sugar levels of air and potatoes during storage.  The model was successfully calibrated and validated on experimental data from industrial bulk storage facilities. From model simulations it was seen that a combination of under and overpressure can limit gradients within the bulk instead of the conventional applied overpressure. It was also shown that faster cooling leads to a decrease in weight loss but an increase in sugar content.

Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • Wageningen University
  • Keesman, Karel, Promotor
Award date19 Dec 2018
Place of PublicationWageningen
Print ISBNs9789463435277
Publication statusPublished - 2018


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