机器学习和深度学习架构的全面框架,具有超启发式优化,用于对纳米流体特定热容量的高可靠性预测
Priya Mathur1, Dheeraj Kumar2, Farhan Sheth2
1Poornima Institute of Engineering and Technology, Jaipur, Rajasthan, India.
Scientific reports
|December 27, 2025
概括
预测纳米流体的特定热容量对工业至关重要. 这项研究表明,通过数据增强和优化增强的堆叠机器学习模型,可以实现高度准确的预测,改善传热应用.
科学领域:
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
- 计算科学 计算科学
背景情况:
- 精确预测纳米流体的特定热容量对于优化各种工程应用中的热传输至关重要.
- 机器学习 (ML) 和深度学习 (DL) 为模拟复杂的热物理性质提供了强大的工具.
研究的目的:
- 评估12个ML和DL模型对纳米流体特定热容量的预测性能.
- 调查堆叠组合技术和元启发式优化的有效性,以提高预测准确性.
- 探索数据增强策略,以改善模型通用化.
主要方法:
- 利用了1269个实验纳米流体样本的数据集,输入包括纳米流体类型,温度和体积度.
- 使用线性回归元学习器实现堆叠组合方法.
- 应用粒子优化 (PSO) 和灰狼优化 (GWO) 用于超参数调整.
- 采用了多项式/富里埃扩展和基于自动编码器的数据增强方法.
主要成果:
- 堆叠的多层感知子 (MLP) 模型实现了最高的精度 (R2 = 0.99927,MSE = 466.06,RMSE = 21.58).
- 在独立模型中,CatBoost表现最好 (R2 = 0.99923,MSE = 487.71,RMSE = 22.08).
- 听优化显著改善了模型性能;GWO将LightGBM的MSE从29386.43降低到6549.006.
结论:
- 混合ML / DL框架,结合先进的数据增强和元启发式优化,对于预测纳米流体热物理性质非常有效.
- 开发的模型为优化热传输中纳米流体应用提供了坚实的基础.
- 这项研究突出了材料科学和工程中复杂的计算方法的潜力.
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