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Physical and mechanical properties of spinach for whole-surface online imaging inspection

机译：用于整个表面在线成像检查的菠菜的物理和机械性能

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The physical and mechanical properties of baby spinach were investigated, including density, Young's modulus, fracture strength, and friction coefficient. The average apparent density of baby spinach leaves was 0.5666 g/mm3. The tensile tests were performed using parallel, perpendicular, and diagonal directions with respect to the midrib of each leaf. The test results showed that the mechanical properties of spinach are anisotropic. For the parallel, diagonal, and perpendicular test directions, the average values for the Young's modulus values were found to be 2.137MPa, 1.0841 MPa, and 0.3914 MPa, respectively, and the average fracture strength values were 0.2429 MPa, 0.1396 MPa, and 0.1113 MPa, respectively. The static and kinetic friction coefficient between the baby spinach and conveyor belt were researched, whose test results showed that the average coefficients of kinetic and maximum static friction between the adaxial (front side) spinach leaf surface and conveyor belt were 1.2737 and 1.3635, respectively, and between the abaxial (back side) spinach leaf surface and conveyor belt were 1.1780 and 1.2451 respectively. These works provide the basis for future development of a whole-surface online imaging inspection system that can be used by the commercial vegetable processing industry to reduce food safety risks.
机译：研究了菠菜的物理和机械性能，包括密度，杨氏模量，断裂强度和摩擦系数。婴儿菠菜叶的平均表观密度为0.5666 g / mm3。相对于每片叶子的中脉使用平行，垂直和对角线方向进行拉伸测试。测试结果表明菠菜的力学性能是各向异性的。对于平行，对角和垂直测试方向，杨氏模量值的平均值分别为2.137MPa，1.0841 MPa和0.3914 MPa，平均断裂强度值为0.2429 MPa，0.1396 MPa和0.1113。 MPa，分别。研究了婴儿菠菜与传送带之间的静摩擦系数和动摩擦系数，其测试结果表明，菠菜的正面（正面）叶表面与传送带之间的动摩擦系数和最大静摩擦系数分别为1.2737和1.3635，菠菜的背面（背面）表面与传送带之间的距离分别为1.1780和1.2451。这些工作为将来开发全表面在线成像检测系统提供了基础，该系统可用于商业蔬菜加工业以降低食品安全风险。

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