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学者姓名：缪婧
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Abstract ：
This study analyses the efficiency of a specially designed blade set used in the initial mud-cutting process that can mechanize the action of placing mud into the seedling trays to accelerate rice production as a whole. In this study, experiments were undertaken with specially designed blades, which consist of five optimized blades. Three-dimensional computational fluid dynamics simulations were adopted to optimize the blades for cutting, smashing, and spraying mud into the seedling trays. The effects of blade geometric parameters on efficiency were investigated based on mud splash volume in the first second and power consumption. Results of the analysis of variance (ANOVA) showed that for machine efficiency (eta(m)), bending angle (X-2) is the most dominant input process parameter, followed by curved blade area (X-1) and curved blade angle (X-3). X-3 is a significant factor for energy consumption. The results also indicated that the optimal specifications of the blade are X-1 = 3150 mm(2), X-2 = 115 degrees, and X-3 = 41 degrees. With the optimal blades, the machine has a mud-cutting efficiency of 21.32 L/kJ with a relative error of 4.44% compared with the numerical value obtained by means of regression. The mean relative errors of power consumption and mud splash volume in the first second are 8.46% and 5.89%, respectively, and the efficiency between the experimental tests and simulation tests are 12.99%, indicating that the simulation model used in this study is reliable for the initial mud-cutting process.
Keyword ：
Blades Blades Computational fluid dynamics Computational fluid dynamics Mud splash volume Mud splash volume Power consumption Power consumption
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| GB/T 7714 | Xie, Yu , Ferng, YuhMing , Miao, J. et al. Numerical and experimental study on optimization of paddy field blade used in initial mud-cutting process [J]. | COMPUTERS AND ELECTRONICS IN AGRICULTURE , 2020 , 170 . |
| MLA | Xie, Yu et al. "Numerical and experimental study on optimization of paddy field blade used in initial mud-cutting process" . | COMPUTERS AND ELECTRONICS IN AGRICULTURE 170 (2020) . |
| APA | Xie, Yu , Ferng, YuhMing , Miao, J. , Ren, Jinbo , Zhang, Xiang . Numerical and experimental study on optimization of paddy field blade used in initial mud-cutting process . | COMPUTERS AND ELECTRONICS IN AGRICULTURE , 2020 , 170 . |
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Abstract ：
本实用新型提供一种适用于泥泞道路防打滑装置，包括一对防打滑轮，每个防打滑轮外表面上固定连接有钉齿轮片，所述防打滑轮中部固定连接有转轴，其中位于后侧的一后防打滑轮同轴固定连接有后凸轮，所述后凸轮上偏心设置有摇杆，位于前侧的一前防打滑轮同轴固定连接有前凸轮，所述前凸轮与摇杆铰接，所述摇杆前端设置有用于辅助拉拽的行走插齿。本实用新型结构简单，设计新颖，不仅能有效解决在恶劣的山地、泥泞道路中车轮打滑问题，且便于操作，具有实用性。
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| GB/T 7714 | 陈辉 , 谢宇 , 卢炎 et al. 一种适用于泥泞道路防打滑装置 : CN201821750260.0[P]. | 2018-10-27 . |
| MLA | 陈辉 et al. "一种适用于泥泞道路防打滑装置" : CN201821750260.0. | 2018-10-27 . |
| APA | 陈辉 , 谢宇 , 卢炎 , 黄煌辉 , 任金波 , 张翔 et al. 一种适用于泥泞道路防打滑装置 : CN201821750260.0. | 2018-10-27 . |
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