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Tunnel-type continuous multi-physical field drying equipment: Design, numerical simulation and application.

Authors :
Zeng, Shiyu
Zhou, Cunshan
Wang, Bo
Lv, Huangzhen
Zhao, Donglin
Wu, Yiran
Lv, Weiqiao
Xiao, Hongwei
Source :
Drying Technology; Jul2024, Vol. 42 Issue 10, p1606-1622, 17p
Publication Year :
2024

Abstract

In this study, a tunnel-type continuous multi-physical field drying equipment was developed to combine microwave, hot air, and infrared drying technologies. The microwave source arrangement and hot air equalizing plate were optimized based on numerical simulation to enhance the uniformity of the microwave field and hot air velocity distribution. Mode 4 and opening ratio 37.70% (r = 60 mm) were had the highest electric field distribution and hot air distribution. This equipment was further used to pre-dehydrate cowpeas and the effects of microwave, hot air, and infrared on food drying properties and quality of dried samples were investigated. The results showed that the moisture content was reduced by 20% and the ΔE value greater than 5 after pre-dehydration. Microwave treatment rapidly reduced the moisture content of cowpeas. The infrared treatment significantly improved the uniformity of temperature distribution and the texture profile of the dried sample. The hot air drying increased 10 °C for the overall temperature of the food material and balanced the internal water content of the food material. This study aims to provide future researchers with insights to develop novel microwave-based continuous drying equipment for its commercial applications. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
07373937
Volume :
42
Issue :
10
Database :
Complementary Index
Journal :
Drying Technology
Publication Type :
Academic Journal
Accession number :
178652153
Full Text :
https://doi.org/10.1080/07373937.2024.2375444