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| 典型品种花生仁力学特性研究 |
| Mechanical properties of typical peanut kernels |
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| DOI：10.12166/j.zgyz.1003-7969/2020.01.023 |
| 中文关键词: 花生仁 力学特性 破碎力 统计分析 |
| 英文关键词:peanut kernels mechanical property crushing force statistical analysis |
| 基金项目: |
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| 中文摘要: |
| 以鲁花花生仁、富硒黑花生仁和四粒红花生仁为研究对象，使用MTS E45电子式万能材料试验机对花生仁进行静压破碎力学特性试验。研究了加压速度、加压方式、花生仁加压数量、花生品种对花生仁破碎力的影响。结果表明：加压速度对花生仁的破碎力没有显著影响；正面加压的破碎力比侧面加压和倾斜45°加压的破碎力大；鲁花花生仁在正面加压方式下的破碎力最大，富硒黑花生仁和四粒红花生仁破碎力较小；两粒加压和五粒加压下，鲁花花生仁破碎力分别是一粒加压下的1.39~2.56倍和3.38~6.11倍。因此，在花生仁破碎机关键部件的设计中，选择鲁花花生仁在正面加压下的最大破碎力为设计依据。 |
| 英文摘要: |
| Using Luhua, Fuxihei peanut kernels and Silihong peanut kernels as the objects, the mechanical properties of peanut kernels under hydrostatic crushing were tested by MTS E45 electronic universal material testing machine. The effects of pressure velocity, pressure mode, pressure quantity of peanut kernels and peanut type on the crushing force of peanut kernels were studied. The results showed that the crushing force of peanut kernels was not significantly affected by the pressure velocity. The crushing force of peanut kernels under positive pressure was greater than that under lateral pressure and inclined 45 degrees pressure. The crushing force of Luhua peanut kernels under positive pressure was the largest, while that of Fuxihei and Silihong peanut kernels was smaller. The crushing force of Luhua peanut kernels was 1.39-2.56 times and 3.38-6.11 times under two-grain pressure and five-grain pressure as high as that under one-grain pressure. Therefore, in the design of the key components of peanut kernel crusher, the maximum crushing force of Luhua peanut kernel under positive pressure was selected as the design basis. |
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