Simulation of a UV-C conveyor system using computational fluid dynamics techniques on the uniformity of the incident UV-C dose distribution to strawberry

Passakorn Kingwascharapong, Yuki Iida, Fumina Tanaka, Fumihiko Tanaka

Research output: Contribution to journalArticlepeer-review

Abstract

This study aimed to evaluate and improve the uniformity of the UV-C dose distribution and microbial inactivation on the surface of strawberries using computational fluid dynamics (CFD) simulation technique. Eight different UV-C configuration models were designed. The pattern of UV-C lamps and their covers affected the intensity of UV-C, whereas adding reflectors into the model resulted in better uniformity of the UV-C dose. Model H (lamps and theirs covers placed at the corners of the chamber and 4 reflectors added between the lamps) provided the best uniformity of the incident UV-C dose. Longer treatment time (6 min) enhanced the inhibition of Penicillium digitatum. Therefore, simulation using CFD techniques may be a promising method to predicting UV-C irradiation parameters.

Original languageEnglish
Pages (from-to)371-378
Number of pages8
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume65
Issue number2
Publication statusPublished - 2020

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

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