Improvement of structure design on swirl meter based on CFD

CUI Baoling; CHEN Kun; ZHU Linhang; CHEN Desheng; HUANG Dunhui

doi:10.3969/j.issn.0438-1157.2014.08.016

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Improvement of structure design on swirl meter based on CFD

更新时间：2025-12-10

- Improvement of structure design on swirl meter based on CFD
- CIESC Journal Issue 8, Pages: 2963-2969(2014)
- 作者机构：
  
  1. 浙江理工大学浙江省流体传输技术研究重点实验室,浙江,杭州,310018
  2. 浙江大学竺可桢学院1201,浙江,杭州,310027
  3. 杭州冠一流体技术有限公司,浙江,杭州,310019
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.08.016
  CLC： H814
- Online First：05 August 2014，
  
  Published：05 August 2014
- 稿件说明：
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CUI Baoling, CHEN Kun, ZHU Linhang, et al. Improvement of structure design on swirl meter based on CFD[J]. CIESC Journal, 2014, (8): 2963-2969.
DOI：

CUI Baoling, CHEN Kun, ZHU Linhang, et al. Improvement of structure design on swirl meter based on CFD[J]. CIESC Journal, 2014, (8): 2963-2969. DOI： 10.3969/j.issn.0438-1157.2014.08.016.

摘要

为了减少150 mm口径旋进旋涡流量计的压损，提出了增加流量计起旋器导程和壳体喉部直径两种方案，在120～2100 m3·h-1流量范围内，采用数值模拟和实验的方法研究了改进前后旋进旋涡流量计的压损特性与仪表系数，并对旋进旋涡流量计中压电传感器所在截面的内部流动特性进行了分析。通过数值模拟研究发现：两种方案均能降低流量计压损，但流量计的仪表系数均降低，不利于小流量的测量，且仪表系数精确度也有所变化。若仅考虑降低压损，同时增加导程和喉部直径比仅增加导程好。最后在音速喷嘴装置上对两种方案进行了实验，发现实验数据和数值计算结果变化趋势一致，达到了对流量计参数优化提高流量计性能的目的。

Abstract

In order to reduce the pressure loss of 150-caliber swirl meter

two programs of increasing the lead of swirler and the throat diameter of casing were adopted to improve the performance of swirl meter. In the flow range from 120 m3·h-1 to 2100 m3·h-1

numerical simulation and experiment were conducted to study the pressure loss characteristics and meter factor of the swirl meter before and after improvement

and internal flow characteristics of the section where piezoelectric sensors were located was analyzed. Through numerical simulation it was found that these two programs could reduce the pressure loss of swirl meter

but meter factor decreased with degraded precision. Small flow measurement could not be applicable because of the decrease of meter factor. If only considering the factor of pressure loss

program B (increasing the lead and the throat diameter) was better than the program A (only increasing the lead). The experiments were performed on sonic nozzle device to verify simulation results of two programs. The experimental results of pressure loss and meter factor basically agreed with numerical simulation results.

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