基于纳米流体的PV / T的性能预测和优化,使用数值模拟和响应表面方法.
Sreehari Sreekumar1, Supriya Chakrabarti2, Neil Hewitt1
1Centre for Sustainable Technologies (CST), Belfast School of Architecture and the Built Environment, Ulster University, Belfast BT15 1ED, Northern Ireland, UK.
Nanomaterials (Basel, Switzerland)
|May 10, 2024
概括
这项研究优化了使用MXene/水纳米流体的光伏/热 (PV/T) 系统. 研究确定了最佳的操作参数,以最大限度地提高能量和功率效率,以提高性能.
科学领域:
- 可再生能源系统可再生能源系统
- 纳米流体 纳米流体
- 热传递是一种热传递.
背景情况:
- 光伏/热 (PV/T) 系统提供电热联合发电.
- MXene/水纳米流体显示为先进的热传递流体 (HTFs) 为PV/T系统的承诺.
- 优化操作参数对于最大限度地提高PV/T系统效率至关重要.
研究的目的:
- 用MXene/水纳米流体数量研究PV/T系统的性能.
- 分析操作参数对热,电和能量效率的影响.
- 通过响应表面方法来优化系统以获得最大的能量和功率效率.
主要方法:
- 使用ANSYS Fluent®进行数值模拟.
- 使用响应表面方法 (RSM) 开发预测模型.
- 差异分析 (ANOVA) 用于确定参数的显著性.
主要成果:
- 纳米流体质量流速显著影响热效率.
- 事件太阳辐射极大地影响了电效率和电能效率.
- 优化的参数包括质量流速 (71.84 kgh-1),质量分数 (0.2 wt%),发生辐射 (581 Wm-2),和入口温度 (20 °C).
结论:
- 这项研究成功地优化了使用MXene/水纳米流体的PV/T系统.
- 预测的最大总能效率达到了81.67%,能量效率达到了18.6%.
- 开发的模型为设计和增强类似的光伏/光伏系统提供了有价值的工具.
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