THE FUNDAMENTAL PROPERTIES OF THE FLOW OF GRANULAR MATERIALS THROUGH APERTURES

郭天民; 宋瑜

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THE FUNDAMENTAL PROPERTIES OF THE FLOW OF GRANULAR MATERIALS THROUGH APERTURES

更新时间：2025-12-16

- THE FUNDAMENTAL PROPERTIES OF THE FLOW OF GRANULAR MATERIALS THROUGH APERTURES
- CIESC Journal Issue 2, (1960)
- 作者机构：
  
  北京石油学院加工过程及设备教研室,北京石油学院加工过程及设备教研室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 December 1960，
  
  Published：25 December 1960
- 稿件说明：
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郭天民, 宋瑜. THE FUNDAMENTAL PROPERTIES OF THE FLOW OF GRANULAR MATERIALS THROUGH APERTURES[J]. CIESC Journal, 1960, (2).
DOI：

郭天民, 宋瑜. THE FUNDAMENTAL PROPERTIES OF THE FLOW OF GRANULAR MATERIALS THROUGH APERTURES[J]. CIESC Journal, 1960, (2). DOI：

摘要

对自由流落

正压差及负压差下的三种流落情况进行了系统研究

测定了有关因数对流落速率的影响。综合665组数据获得以下计算流落速率及立管料封能力的公式。自由流落: 正压差下的流落: 负压差下的流落（临界点以前）: 并建立了这三种流落速率之间的联系。立管的料封能力:毫米汞柱/米

Abstract

The flow of grannular solids through apertures has been studied under the followingthree conditions: (1) with no pressure differential

(2) under positive pressure differential and (3) under negative pressure differential. The influence of various related factors upon the solid flow rate has been measured. Based upon the correlation of 665 sets of data obtained the following equations for calculating solid flow rate and sealing pressure difference gradient of vertical stand-pipe. With no pressure differential : C1 - 0.66. when G0 expressed in [kg/cek] Under positive pressure differential : C2 = 2.3×10~4 when (G1 - G0) expressed in [kg/cek]. Under negative pressure differential (before the critical point) : for sand C3 - 5.04

for coal C3 = 9.84 The sealing pressure difference gradient of vertical stand-pipe :

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