Syngas Applied to Micro Thermophotovaltic Power System Assemble with Stirling Engine

Sheng-Wen Liu, Chien-Chun Kao, Yueh‐Heng Li, W. L. Chen
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Abstract

Micro thermophotovoltaic is a potential power generation for human. Despite the low conversion of TPV system, combined heat and power system could be used to increase the overall efficiency by reusing the waste energy exhausted from TPV system. A micro combustor was designed to investigate the flame behavior through a platinum tube. Fuel, which premixed with CO, H2, CH4 and air were delivered to the micro combustor. By adjusting the ratio of H2 to CO, several flame behavior appears. Irradiance and wall temperature were measured to find out the best operation condition for PV cell to produce electricity. At last, the TPV system could assemble with a Stirling engine to capture the waste heat from TPV system. Water is the working fluid for the cooling system of Stirling engine. By absorbing the waste exhaust heat to heat up the Stirling engine, power and hot water could generated by Stirling engine simultaneously. Eventually, the overall efficiency are able to increase by assembling the Stirling engine.
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合成气在装配斯特林发动机的微热光能发电系统中的应用
微热光伏发电是一种潜在的人类发电方式。尽管TPV系统的转换率较低,但热电联产系统可以通过再利用TPV系统排出的废能来提高整体效率。设计了一个微型燃烧室,通过铂管研究火焰行为。将混合了CO、H2、CH4和空气的燃料送入微燃烧室。通过调节H2与CO的比例,可以产生几种不同的火焰行为。通过对辐照度和壁温的测量,找出光伏电池发电的最佳运行条件。最后,TPV系统可与斯特林发动机组合,以捕获TPV系统产生的余热。水是斯特林发动机冷却系统的工作流体。通过吸收废热对斯特林发动机进行加热,使斯特林发动机同时产生动力和热水。最终,通过装配斯特林发动机,整体效率得以提高。
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