| 轮胎胶料混炼数值模拟研究 |
| Numerical Simulation Research on Tire Compound Mixing |
| 投稿时间：2023-03-28 修订日期：2023-03-28 |
| DOI：10.12136/j.issn.1000-890X.2024.11.0856 |
| 中文关键词: 胶料混炼 数值模拟：填充因数 分散混合特性 分布混合特性 |
| 英文关键词: compound mixing numerical simulation filling coefficientr dispersive mixing characteristic distributed mixing characteristic |
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| 中文摘要: |
| 基于Fluent软件，在密炼室中间位置注入5 000个无质量粒子（简称粒子），对轮胎胶料混炼进行数值模拟研究。结果表明：在胶料分散混合特性方面，填充因数为0.75时粒子混合指数最大，填充因数为0.65时粒子最大剪切应力累计分布最好；在胶料分布混合特性方面，填充因数为0.75时粒子平均拉伸长度（LOS）最大，群集分布指数（CDI）最小。综合得出，填充因数为0.75时胶料分散混合特性和分布混合特性最佳。 |
| 英文摘要: |
| Based on Fluent software，numerical simulation research on tire compound mixing was conducted by injecting 5 000 massless particles（referred to as particles）to the middle position of the mixing chanber.The results showed that in terms of dispersive mixing characteristics of the compound，the mixing index proportion of particles was the largest when the filling coefficient was 0.75，and the maximum shear stress cumulative distribution was the best when the filing coefficient was 0.65.In terms of distributed mixing characteristics of the compound，mean length of stretch （LOS） of particles was the largest and cluster distribution index（CDI） was the smallest when the filling coefficient was 0.75.Overall，when the filling coefficient was 0.75，the dispersive and distributed mixing characteristics of the compound were optimal. |
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