Characteristics of nanometer magnesia particulate fouling of delta wing vortex generator

XU Zhiming; YANG Suwu; ZHU Xinlong; ZHANG Yilong; LIU Zuodong

doi:10.11949/j.issn.0438-1157.20140962

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Characteristics of nanometer magnesia particulate fouling of delta wing vortex generator

更新时间：2025-12-10

- Characteristics of nanometer magnesia particulate fouling of delta wing vortex generator
- CIESC Journal Issue 1, Pages: 86-91(2015)
- 作者机构：
  
  1. 东北电力大学能源与动力工程学院,吉林,吉林,132012
  2. 华北电力大学,北京,102206
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20140962
  CLC： K124
- Online First：05 January 2015，
  
  Published：05 January 2015
- 稿件说明：
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XU Zhiming, YANG Suwu, ZHU Xinlong, et al. Characteristics of nanometer magnesia particulate fouling of delta wing vortex generator[J]. CIESC Journal, 2015, (1): 86-91.
DOI：

XU Zhiming, YANG Suwu, ZHU Xinlong, et al. Characteristics of nanometer magnesia particulate fouling of delta wing vortex generator[J]. CIESC Journal, 2015, (1): 86-91. DOI： 10.11949/j.issn.0438-1157.20140962.

摘要

为了探究三角翼涡流发生器的纳米氧化镁颗粒污垢特性

选用粒径为50 nm的氧化镁颗粒配制的胶体溶液为研究对象

研究了在不同水浴温度、颗粒浓度、流速、三角翼间距以及不同布置等工况下三角翼涡流发生器的污垢特性。结果表明:三角翼涡流发生器具有抑垢特性

水浴温度、浓度、流速对其抑垢能力及结垢速率均有影响

水浴温度升高、颗粒浓度降低以及工质流速升高都会导致三角翼的抑垢能力增强。三角翼不同列间距的抑垢能力随着布置方式的改变而改变

采用均匀分布布置形式时40 mm列间距的抑垢能力最强

而采用同列数布置时80 mm列间距的抑垢能力最强。

Abstract

In order to explore the characteristics of nanometer magnesia particle fouling in delta wing vortex generator

colloidal solutions made of magnesia particles of 50 nm were used in the experiments. The fouling characteristics of the delta wing vortex generator under different conditions were investigated

including water bath temperature

particle concentration

flow velocity

spacing and arrangement of delta wings. The results show that the delta wing vortex generator can inhibit the fouling. The longitudinal vortex and stagnation zone produced by delta wing vortex generator and the characteristics of magnesia colloidal solution have a great influence on the fouling characteristics. Higher water bath temperature

lower magnesia solution concentration

and higher flow velocity can reduce the fouling rate. The fouling characteristics also depend on the arrangement of delta wings

which results in different longitudinal vortexes. With the uniform layout of delta wings

40 mm spacing is the best for inhibition of dirt. With the same number of columns

80 mm spacing is the best.

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