| 1. | Coarse particle flow behavior in draft tube of spouted bed
喷动床导向管内粗颗粒的动特性 |
| 2. | Numerical simulation of a 3 - d gas - solid flow in a spouted bed
三维喷动床气固两相流数值模拟 |
| 3. | Technology optimization of drying wheat by spouted bed with draft tube
导向管喷动床小麦干燥工艺优化研究 |
| 4. | Gas - solid flow simulations in spouted beds on body - fitted coordination
贴体坐标系下喷动床内气固两相流体动力特性的数值模拟 |
| 5. | On the basis of these factors , an empirical equation for the maximum pressure drop was determined
在综合考虑各影响因素的基础上，得出了双喷嘴矩形喷动床最大喷动压降的经验关联式。 |
| 6. | The maximum pressure drop and the operational pressure drop were investigated in a rectangular spouted bed with double nozzles by using air as spouting fluid
摘要在双喷嘴矩形喷动床内，以空气为喷动气体，研究了最大喷动压降与操作压降的变化规律和影响因素。 |
| 7. | The experimental results showed that the maximum pressure drop and the operational pressure drop were related with particles diameter , bed height and superficial velocity , and the latter was also related with bed structure
实验表明：双喷嘴矩形喷动床的最大喷动压降和操作压降与颗粒粒径、床层高度及表观气速有关，而操作压降还与床体结构有关。 |
| 8. | From this work , a new way to improve the fluidization quality of the ultra - fine powders is found , and the studying result can supply as a basis of further investigation and be able to be used in the design of a spouted bed with a draft tube for the ultra - fine powders
本研究为改善超细粉的流化质量提供了一种新的思路，研究成果为进一步四川大学硕士学位论文开展有关基础研究和开发超细粉导向管喷动床反应器提供了良好的基础。 |
| 9. | It was found that the ultra - fine powder can flow smoothly in a spouted bed with a draft tube under some sorts of design parameter and operating condition , thus a new effective method to improve fluidization quality of the ultra - fine powders is obtained ; at higher supplied gas velocity , an increase in the solid circulation rate is observed ; the extent of the distance between the nozzle and the draft tube inlet result in the promotion of the solid circulation rate ; the solid circulation rate increase with increasing the draft tube diameter or the bed mass ; the gas bypassing is nearly zero in the present work ; and the solid flow in the annulus is observed as a moving bed
结果表明：在一定的床层结构和操作条件下，超细粉可以在导向管喷动床中实现平稳流化，从而为改善超细粉的流化质量提供了一种有效的新方法；固体循环速率与喷动气流量、导向管直径、导向管底部与喷嘴出口间距以及床层装填量成正比；气体则基本上不存在“旁路”现象；环隙区中的颗粒流动表现为一移动床特征。 |
| 10. | Fluidized behaviors of ultra - fine powder caco3 of mean diameter 5 um in a spouted bed with a draft tube were investigated , studying the effects of geometry and operating parameters on the two - phase fluidized characters such as the initial spouted behavior , the solid circulation rate , the gas flow distribution in the spout and the annulus , and the solid flow in the annulus
本研究以平均粒径为5 m的caco _ 3超细粉为物料，对超细粉在导向管喷动床中的流化行为进行了系统的实验研究，考察了床层结构和操作条件对起始喷动行为、固体循环速率、气体在床层双区中的分配以及固体颗粒在环隙区中的流动等气固两相流动特征的影响。 |
