通过对散热器设计和流体工作条件的数值优化来提高PVTE系统性能
Amir Azirul1, Adnan Ibrahim2, Nurul Syakirah Nazri3
1Solar Energy Research Institute, Universiti Kebangsaan Malaysia, Bangi, 43600, Selangor, Malaysia. p130551@siswa.ukm.edu.my.
Scientific reports
|April 19, 2025
概括
利用太阳能电池板的废热与热电发电机 (TEG) 可以促进能源生产. 在PV-TE系统上,由制成的针式散热器实现了最高的发电量.
科学领域:
- 可再生能源系统可再生能源系统
- 热电发电是发电的热电发电方式.
- 计算流体动力学的流体动力学.
背景情况:
- 太阳能光伏 (PV) 面板的效率因太阳辐射产生的热量而降低.
- 来自光伏电池板的废热提供了利用热电 (TE) 设备回收能源的机会.
- 热电发电机 (TEG) 可以将这种废热转化为额外的电力,提高整体系统效率.
研究的目的:
- 为光伏热电 (PVTE) 系统开发和分析3D计算流体动力学 (CFD) 和热电数值模型.
- 评估与光伏电池板集成的TEG各种散热器设计和材料的性能.
- 调查散热参数,包括流入口和对流系数对TEG发电的影响.
主要方法:
- 为PVTE系统开发了一个3D CFD和热电数值模型.
- 模拟了不同的散热器设计 (例如,针) 和材料 (例如,).
- 在PVTE系统的冷侧,变化并分析了诸如流入速度和对流系数等参数.
主要成果:
- 由 (Al) 制成的针式散热器设计 (H3) 在测试的配置中显示出最高的TEG发电量.
- 随着流入速度的增加,TEG输出功率显著增加,达到约2.01m/s的和度.
- 发电也显示出显著的增长,因为对流系数超过20W/m2°C.
结论:
- 优化散热器设计和材料选择对于最大限度地提高光伏系统的热电发电量至关重要.
- 有效的散热策略,包括适当的气流和对流,对于提高PVTE系统的性能至关重要.
- 将TEG与光伏电池板集成为改善整体能源产量和解决太阳能电池板效率限制提供了一种可行的方法.
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