What question did this study set out to answer?

The aim is to optimize the microwave vacuum drying process to minimize cracking and breakage of wheat.

April 10, 2026

Stress analysis and crack prediction of microwave vacuum drying of wheat

Key Points

The aim is to optimize the microwave vacuum drying process to minimize cracking and breakage of wheat.
Wheat is heated from room temperature to 40 °C at 2.86 °C/min.
Temperature is held at 40 °C for 7 minutes.
Wheat is heated to 61.4 °C at 1.63 °C/min until drying is completed.
The optimized drying process effectively reduces breakage rates.
Control of cracking in wheat is achieved through specific heating rates.

Abstract

To reduce cracking and lower breakage rates, the drying process is optimized as follows: wheat is heated from room temperature to 40 °C at a rate of 2.86 °C/min, held at this temperature for 7 min, and then heated to 61.4 °C at a rate of 1.63 °C/min until completion. This process can effectively control wheat breakage and cracking, providing both theoretical basis and practical reference for microwave vacuum drying. © 2026 Society of Chemical Industry.

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