优化马群和 LSTM 配置以最小化压降并预测壳管和 U 型管热交换器的热性能

IF 1.3 4区 工程技术 Q3 ENGINEERING, MECHANICAL
Sh. K. Prasad, M. K. Sinha
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引用次数: 0

摘要

摘要 将热量从一种流体传递到另一种流体的工业部件最常用的是壳管式热交换器(STHE)。由于能源资源稀缺和能源消耗高,提高热交换器的传热效率受到越来越多的关注。在 STHE 中,压降被认为是导致裂缝和经济损失的一个重要问题。提高低压降热交换器性能的一个重要因素是挡板的角度和距离。为了降低压降和加快传热,人们开发了多种方法。但这些方法并不能提供令人满意的压降降低效果,因此最佳的挡板配置仍然是热交换器的一项任务。在所提出的模型中,开发了基于马蹄形优化算法(HOA)的挡板设计和基于神经网络的热性能预测安排,以减少压降和预测传热速率。在相应的材料上开发了壳和管,并在壳内设计了挡板以阻挡冷水的流动。通过 HOA 求解了挡板配置的最优解,通过减少压降找到了合适的挡板距离和角度。水流建模后,对七个关键参数值进行了观测,并创建了一个数据集。利用这些数据,开发了一个热性能预测系统,对每个周期的输入值进行分析,以预测净能量、传热率和努斯勒数。建议的模型可提供 52 Pa 的压降、0.59 的有效性、0.59 NTU、417 U 和 92% 的准确性。建议方法的输出结果与其他现有方法的输出结果进行了对比验证。建议的模型具有较高的传热能力,并降低了压力效应风险。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Horse Herd Optimization and LSTM Configuration for Minimizing Pressure Drop and Predicting Thermal Performance in Shell and U-Tube Heat Exchanger

Horse Herd Optimization and LSTM Configuration for Minimizing Pressure Drop and Predicting Thermal Performance in Shell and U-Tube Heat Exchanger

Horse Herd Optimization and LSTM Configuration for Minimizing Pressure Drop and Predicting Thermal Performance in Shell and U-Tube Heat Exchanger

The industrial component that transfers heat from one fluid to another most frequently uses Shell and Tube Heat Exchangers (STHE). Enhancing the heat transfer efficiency of heat exchangers has garnered more attention as a result of scarce energy resources and high energy expenditures. In STHE, the pressure drop is considered an important issue that causes cracks and economic losses. An essential factor in improving the performance of a heat exchanger with low pressure drop was the angle and distance of the baffles. Several methods were developed to reduce pressure drop and speed up heat transfer. But those methods were not provide a satisfactory pressure drop reduction, so the optimal baffle configuration was still a task in the heat exchanger. In the proposed model, Horse-herd Optimization Algorithm (HOA) based baffle design and neural network based thermal performance prediction arrangement was developed to reduce the pressure drop and predict the rate of transferring heat. Shells and tubes were developed at the corresponding material, inside the shell, a baffle was designed to barrier the flow of cold water. The optimal solution of baffle configuration was solved through HOA, which finds the appropriate baffle’s distance and angle by reducing the pressure drop. After the water flow modelling, the seven key parameters values were observed, and create a dataset. Using this data, a thermal performance prediction system was developed to analyze each period input value to predict the net energy, heat transfer rate, and Nussle number. The proposed model provides 52 Pa pressure drop, 0.59 effectiveness, 0.59 NTU, 417 U, and 92% accuracy. The output of the suggested approach is contrasted with that of other current methods for validation. The proposed model offers a high heat transferring capacity and reduces pressure effects risk.

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来源期刊
Journal of Engineering Thermophysics
Journal of Engineering Thermophysics THERMODYNAMICS-ENGINEERING, MECHANICAL
CiteScore
2.30
自引率
12.50%
发文量
0
审稿时长
3 months
期刊介绍: Journal of Engineering Thermophysics is an international peer reviewed journal that publishes original articles. The journal welcomes original articles on thermophysics from all countries in the English language. The journal focuses on experimental work, theory, analysis, and computational studies for better understanding of engineering and environmental aspects of thermophysics. The editorial board encourages the authors to submit papers with emphasis on new scientific aspects in experimental and visualization techniques, mathematical models of thermophysical process, energy, and environmental applications. Journal of Engineering Thermophysics covers all subject matter related to thermophysics, including heat and mass transfer, multiphase flow, conduction, radiation, combustion, thermo-gas dynamics, rarefied gas flow, environmental protection in power engineering, and many others.
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