Study on Heat and Mass Transfer Performance during Heating, Pressurization and Expansion Stage in Explosion Puffing at Low Temperature and High-Pressure

Shijie Ruan, Lei Su (), Haoyu Ou, Wei Lin, Shuiquan Jiang and Fang Sun
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Shijie Ruan: School of Energy Science and Engineering, Nanjing Tech University, Nanjing 210000, China
Lei Su: School of Energy Science and Engineering, Nanjing Tech University, Nanjing 210000, China
Haoyu Ou: School of Energy Science and Engineering, Nanjing Tech University, Nanjing 210000, China
Wei Lin: School of Energy Science and Engineering, Nanjing Tech University, Nanjing 210000, China
Shuiquan Jiang: Jiangsu Kai Yizhneng Technology Co., Ltd., Nanjing 241000, China
Fang Sun: Jiangsu Kai Yizhneng Technology Co., Ltd., Nanjing 241000, China

Energies, 2022, vol. 15, issue 21, 1-15

Abstract: China is a large agricultural country that is leading worldwide in the annual number of agricultural products and exports. However, the growth and harvest of fruits and vegetables are greatly affected by geographical conditions, climate and other factors, which will lead to their rotting in peak season and shortages in the off-season. Therefore, it is necessary to vigorously promote the development of drying technology. The explosion puffing technology at low temperature and high pressure is a kind of compound drying technology which can enable the puffed product to obtain the advantages of honeycomb, good rehydration, a short running time, etc. With the guidance of the theory of heat and mass transfer and relevant thermodynamics laws, this study has established high-pressure extruding technology in low-temperature heating; expanded the two-phase theoretical model, using mass conservation and the law of the conservation of energy to analyze the coupled heat and mass transfer process and influencing factors; and researched the influence of the operation temperature, pressure and time on the properties of dried fruit.

Keywords: heating pressure; puffing drying; heat and mass transfer (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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