Simulation study on influential of ultrasonic cavitation on fouling deposition characteristic

ZHANG Aiping; FENG Zhuo; DING Quan; XU Zhiming

doi:10.11949/j.issn.0438-1157.20170615

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Simulation study on influential of ultrasonic cavitation on fouling deposition characteristic

更新时间：2025-12-10

- Simulation study on influential of ultrasonic cavitation on fouling deposition characteristic
- CIESC Journal Issue S1, Pages: 184-190(2017)
- 作者机构：
  
  东北电力大学能源与动力工程学院,吉林市,吉林省,132012
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20170615
  CLC： K124
- Online First：31 August 2017，
  
  Published：31 August 2017
- 稿件说明：
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ZHANG Aiping, FENG Zhuo, DING Quan, et al. Simulation study on influential of ultrasonic cavitation on fouling deposition characteristic[J]. CIESC Journal, 2017, (S1): 184-190.
DOI：

ZHANG Aiping, FENG Zhuo, DING Quan, et al. Simulation study on influential of ultrasonic cavitation on fouling deposition characteristic[J]. CIESC Journal, 2017, (S1): 184-190. DOI： 10.11949/j.issn.0438-1157.20170615.

摘要

在超声波防垢过程中，超声波的传播以及空化效果会受到流体及超声波参数的影响，析晶污垢的沉积特性也会随之发生变化。对此，采用FLUENT数值模拟与实验参数相比对的方法研究了不同流体速度、超声波频率下超声空化对CaSO4析晶污垢剥蚀的影响。结果表明：同频率条件下，增大流速超声空化对污垢的剥蚀效果减弱；同流速条件下，增大超声波频率超声空化对污垢的剥蚀效果减弱。将空化效应引起的剥蚀率代入污垢的沉积过程，得到超声波频率对污垢沉积特性的影响，随着超声波频率的增加，污垢净沉积率增加、污垢热阻变大。

Abstract

In the process of ultrasonic antiscaling

the spread of ultrasonic and cavitation effect will be affected by the fluid and ultrasonic parameters

deposition character of crystallization fouling will also be changed. Thus

using the method of the FLUENT software numerical simulation compared with the experimental parameters

the effect of ultrasonic cavitation on CaSO4 crystallization fouling removal is studied in the different fluid velocity and the ultrasonic frequencies. Results show that under the conditions of the same frequency

increasing velocity of fluid

the removal effect of ultrasonic cavitation on fouling is weakened. The removal rate caused by cavitation effect was brought into the fouling deposition process

and the effect of ultrasonic frequencies on the fouling character was obtained. With the increase of ultrasonic frequencies

fouling net deposition rate and fouling resistance increased.

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