Optimization Design for Steam Charging Channel Uniformity of the Steam Accumulator Based on a Numerical Simulation Surrogate Model

ZHANG Xiying; YUAN Junqiu; WANG Di; XIE Xiaofeng

doi:10.19805/j.cnki.jcspe.2025.240471

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Optimization Design for Steam Charging Channel Uniformity of the Steam Accumulator Based on a Numerical Simulation Surrogate Model

更新时间：2026-10-10

- Optimization Design for Steam Charging Channel Uniformity of the Steam Accumulator Based on a Numerical Simulation Surrogate Model
- Chinese Journal of Power Engineering Vol. 45, Issue 9, Pages: 1474-1482(2025)
- 作者机构：
  
  国网江苏省电力有限公司常州供电分公司,江苏,常州,213200
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2025.240471
  CLC：
- Online First：16 September 2025，
  
  Published：2025
- 稿件说明：
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张茜颖,袁俊球,王迪,谢小锋. 基于数值模拟代理模型的蓄热器蒸汽流道均匀性优化动力工程学报, 2025, 45(9): 1474-1482 https://doi.

org/10.19805/j.cnki.jcspe.2025.240471
张茜颖,袁俊球,王迪,谢小锋. 基于数值模拟代理模型的蓄热器蒸汽流道均匀性优化动力工程学报, 2025, 45(9): 1474-1482 https://doi. DOI： 10.19805/j.cnki.jcspe.2025.240471.

org/10.19805/j.cnki.jcspe.2025.240471 DOI：

摘要

在蓄热器充汽流道设计中

两相流动现象导致设计面临诸多难点

通过引入仿生流道设计理念

可改善三维压力场分布均匀性从而提高充汽冷凝效率。通过借鉴仿生学原理开展进汽流道的设计

基于计算流体力学方法构建参数化模型。计算生成的数据集被用于训练人工神经网络代理模型

进一步利用模拟退火寻找最优解

得到该类型仿生流道的最优管径参数。结果表明:在最优参数条件下

流道出口压力不均匀度下降10.91%

流道内湍动能损耗下降73.36%。研究成果为蒸汽蓄热罐进汽流道的设计提供了重要参考。

Abstract

In the design of the steam charging channel of the thermal accumulator

two-phase flow phenomena present numerous challenges. By introducing the concept of biomimetic flow channel design

the uniformity of the three-dimensional pressure field distribution can be improved

thereby enhancing the condensation efficiency of the steam. Biomimetic principles were employed to design the inlet steam channel

and a parametric model was constructed based on computational fluid dynamics methods. The dataset generated from calculations was used to train an artificial neural network surrogate model

which was then further utilized with simulated annealing to search for the optimal solution

yielding the optimal pipe diameter parameters for this type of biomimetic channel. Results show that under the optimal parameter conditions

the pressure non-uniformity at the channel outlet decreases by 10.91%

and the turbulent kinetic energy loss within the channel reduces by 73.36%.The research findings provide important references for the design of steam inlet channels in steam accumulators.

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references

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