Physical and mechanical properties of white mulberry fruits (Morus alba)

Document Type : Original Article

Authors

1 Department of Water and Irrigation Systems Engineering, Faculty of Agricultural Engineering, Al-Azhar University, Cairo, Egypt.

2 Department of Agricultural Products Process Engineering, Faculty of Agricultural Engineering, Al-Azhar University, Cairo, Egypt.

Abstract

The aim of this work is to determine and recognize some physical and mechanical properties for white Mulberry fruits as remarkable role in developing and designing of machines as well as, its operations like harvesting, drying and grading. The current study included one variety of white mulberry (Morus alba) to determine its physical and mechanical properties. For each dimension, average values of length and width for white mulberry fruits were 28.48 and 11.88 mm, respectively. The highest value of repose angle was 27.3° for wood while, lowest value was 23.41º for glass. The white Mulberry fruits gave the lowest value of static coefficient of friction of 0.68 for glass while, highest value was 0.85 for wood. The results presented in this research can be used to evaluate the optimal lateral inclination angle of the hopper used in food processing machines such as drying, storage and mixing to allow easy sliding.

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