热电能采集用于废气废热回收:一个系统设计
Rabeya Bosry Smriti1,2, Wenjie Li2, Amin Nozariasbmarz2
1Department of Mechanical Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, United States.
ACS applied materials & interfaces
|January 8, 2025
概括
本研究介绍了一种用于高速移动物体的先进热电发生器 (TEG) 系统设计. 优化后的系统实现了40W的输出功率,提高了自主空中平台等应用的运行耐久性.
科学领域:
- 收集能源 收集能源
- 热电技术 热电技术
- 热传递是一种热传递.
背景情况:
- 热电 (TE) 技术通过利用温度梯度为高速移动物体提供可持续的能源.
- 集成热电发生器 (TEG) 系统的当前研究落后于材料开发.
- 高效的能源采集对于提高移动平台的运营能力和耐用性至关重要.
研究的目的:
- 设计和实验验证一个集成的TEG系统,用于从废气中回收热能.
- 为了优化散热器设计,最大限度地提高移动系统中的温度梯度和电力输出功率.
- 为了证明TEG系统在高速车辆条件下的可行性.
主要方法:
- 开发一个模拟废气排放系统的概念验证平台.
- 三角形板热交换器的设计用于收集热量,以及用于散热的纵向梯形片散热器.
- 使用有限元素分析 (FEA) 模拟来优化散热器设计.
- 使用商业木化物模块对TEG系统进行实验测试.
主要成果:
- 在190°C的温度梯度下 (ΔT) 达到40W的最大系统输出功率.
- 从模拟的废气中有效收集热量,并通过强制对流方式散热.
- 计算机模拟证实了在高速移动车辆条件下系统的可行性.
结论:
- 开发的TEG系统设计有效地弥合了TE设备和集成系统之间的差距.
- 这种先进的TEG系统代表了为高速移动物体提供动力的重大进步.
- 这项技术有可能用于诸如自主和更持久的空中平台等应用.
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