FLOW RESISTANCE THROUGH HORIZONTAL ORIFICE OF   LOOP SEAL WITH SIDE AERATION AIR

王擎; 孙东红; 孙键; 骆仲泱; 岑可法; 秦裕琨

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FLOW RESISTANCE THROUGH HORIZONTAL ORIFICE OF LOOP SEAL WITH SIDE AERATION AIR

更新时间：2025-12-16

- FLOW RESISTANCE THROUGH HORIZONTAL ORIFICE OF LOOP SEAL WITH SIDE AERATION AIR
- CIESC Journal Issue 5, (2000)
- 作者机构：
  
  东北电力学院动力系!吉林132012,东北电力学院动力系!吉林132012,东北电力学院动力系!吉林132012,浙江大学热能工程研究所!杭州310027,浙江大学热能工程研究所!杭州310027,哈尔滨工业大学动力工程系,哈尔滨,150001
- 作者简介：
- 基金信息：
- DOI：
  CLC： K223.72
- Online First：25 October 2000，
  
  Published：25 October 2000
- 稿件说明：
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王擎, 孙东红, 孙键, et al. FLOW RESISTANCE THROUGH HORIZONTAL ORIFICE OF LOOP SEAL WITH SIDE AERATION AIR[J]. CIESC Journal, 2000, (5).
DOI：

王擎, 孙东红, 孙键, et al. FLOW RESISTANCE THROUGH HORIZONTAL ORIFICE OF LOOP SEAL WITH SIDE AERATION AIR[J]. CIESC Journal, 2000, (5). DOI：

摘要

Abstract

By using a cold CFB model

the effect of horizontal orifice areas of Loop Seal with side aeration air on operational property was studied in detail.The results showed that the horizontal orifice area had a great effect on its stable operation and regulation of the recirculation rate.Under a certain range of the horizontal orifice area

the stable flow of solid particles through Loop Seal could be obtained and recirculation rate of solid particles could be well regulated and controlled through changing external aeration.The flow resistance properties across the horizontal orifice were given and an empirical equation of the pressure drop of horizontal orifice and solid circulating flow rate was proposed and a new orifice discharge coefficient was defined.The expressions were in good agreement with the experimental data.

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