Performance analysis and experiment on fertilizer spreader with centrifugal swing disk based on EDEM

C Liu, Y Li, J Song, T Ma, M Wang… - Transactions of the …, 2017 - ingentaconnect.com
Fertilizing operation is an important link in grain seeding, which plays an important role in
ensuring the high yield. Fertilizer spreaders often are used in the operating process. At …

基于EDEM 的离心甩盘撒肥器性能分析与试验.

刘彩玲, 黎艳妮, 宋建农, 马拓… - Transactions of the …, 2017 - search.ebscohost.com
为提高颗粒肥料撒施均匀性, 该文对离心甩盘式撒肥器进行甩盘转速, 喂入量,
喂入角和喂入位置角对抛撒均匀性单因素离散元仿真分析, 完成多元回归正交旋转仿真试验和 …

Numerical simulation and experiment on improving pelleted coating of forage grass seeds by vibration force field

Y Qiu, Z Chen, Z Hou, T Song, L Mi… - Transactions of the …, 2017 - ingentaconnect.com
In order to improve the rate of coating and pelleting of forage grass seeds, our team is
researching the pellet coating of small-particle irregular forage grass seeds under the action …

Design and experiment on seedling separation device of Panax notoginseng seedlings based on roller zigzag mechanism

LAI Qinghui, Y Haikuo, HU Ziwu, SU Wei - Nongye Jixie Xuebao …, 2018 - nyjxxb.net
The transplantation of Panax notoginseng seedlings are always relying on artificial, resulting
in low operation efficiency and poor planting quality. Panax notoginseng seedlings may be …

[HTML][HTML] 基于离散单元法的水稻籽粒快速颗粒建模研究

原建博, 李骅, 吴崇友, 齐新丹, 施新新, 李超 - 南京农业大学学报, 2018 - html.rhhz.net
[目的] 离散单元法(discrete element method, DEM) 主要用于离散颗粒物料研究领域,
非规则形状颗粒建模耗费大量时间, 且模型精度对颗粒间的动力学响应特性有较大影响 …

杂交稻气力滚筒集排式排种器楔形搅种装置设计与试验.

王宝龙, 王在满, 罗锡文, 张明华… - Transactions of the …, 2019 - search.ebscohost.com
为提高杂交稻气力滚筒集排式精量排种器的排种精度, 该文设计了一种楔形搅种装置,
以解决滚筒型排种器由于充种时间短和吸种区稻种架空造成吸种精度低的问题. 以厚度1, 2 和1 …

Simulation parameters calibration of needle shaped tea based on pile up test

H Dongjun, Y Jianwei, Z Zhen, H Xin… - Journal of Chinese …, 2024 - zgnjhxb.niam.com.cn
Aiming at the lack of accurate model parameters in the discrete element simulation of
needle shaped tea in the process of stripping machine, which leads to the problem of …

基于局部建模方法的卧式柔性清土辊性能优化.

牛丛, 徐丽明, 闫成功, 谭好超… - Transactions of the …, 2023 - search.ebscohost.com
针对基于整体建模的卧式柔性清土辊性能优化方法存在仿真成本高的问题, 该研究提出一种局部
预测整体的建模方法, 既降低仿真计算量, 同时可以对柔性清土辊进行优化设计. 首先 …

基于堆积试验的针形茶叶离散元仿真参数标定

胡冬军, 闫建伟, 张珍, 黄昕, 牛素贞… - 中国农机化学报, 2024 - zgnjhxb.niam.com.cn
针对针形茶叶在理条机加工过程中离散元仿真缺少准确的模型参数, 导致茶叶理条机离散元仿真
过程中易出现失真问题, 以单芽茶叶颗粒为研究对象, 基于切片技术的近似法建立颗粒模型 …

Parameter calibration of chili seed discrete element based on JKR model

X Zhuangwei, W Shilin, Y Zhongyi… - Journal of Chinese …, 2023 - zgnjhxb.niam.com.cn
The physical parameters of chili seeds are important inputs in the discrete element
simulation. In order to improve the reliability and accuracy of the numerical simulation, the …