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Understanding the Thermo-Photo-Voltaic Device: Principles and Optimizations

The Thermo-Photo-Voltaic (TPV) device utilizes combustion heat from fuel to generate electricity, particularly in co-generation systems with burner-based heaters. The device features a flame-heated emitter and modified photovoltaic cells, which benefit from water cooling. Research conducted at the Paul Scherrer Institute focuses on optimizing mirrors and operating temperatures to enhance efficiency. This prototype analyzes heat transfer, including conduction and surface-to-surface radiation, while cooling parameters are fine-tuned. Results indicate that optimal flame temperature maximizes electric power output.

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Understanding the Thermo-Photo-Voltaic Device: Principles and Optimizations

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Presentation Transcript

  1. Thermo-Photo-Voltaic device

  2. Thermo-Photo-Voltaic device- Working principle • Electricity from combustion of fuel • Used in co-generation of electricity from burner based heaters

  3. Flame heated emitter Photo-Voltaic cells (modified solar cells) Water cooling of PV-cells TPV-device • A Research Prototype (Paul Sherrer Institute) • Optimize mirrors and operating temp.

  4. Emitter Mirrors PV-cells (water cooled) Insulation TPV-device – Modeling • General Heat Transfer Application • Conduction • Surface-to-Surface radiation, with shadowing • Cooling: h-parameters

  5. TPV-device – Results • Surface irradiation varies due to mirrors!  Optimize geometry/design

  6. TPV-device – Results • Find optimal operating temperature of flame => maximize electric power • The figure shows the electrical output power and cell temperature at various flame temperatures

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