Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Performance Analysis of Photonic Crystal Enhanced Micro-Combustor Thermophotovoltaic System for Drone Application

광결정 표면을 이용한 드론용 마이크로 연소기 열광전 에너지변환시스템의 성능해석

  • Lee, Junghun (Maritime Technology Research Institute, Agency for Defense Development)
  • 이정헌 (국방과학연구소 해양기술연구원)
  • Received : 2020.10.15
  • Accepted : 2021.04.30
  • Published : 2021.06.05
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Abstract

In this paper, the electrical power output of the micro-combustor thermophotovoltiac(TPV) system was analyzed. The system consists of a micro-combustor, photonic crystals(PhCs), and photovoltaic cells(PV cells). The system has a micro-combustor that can achieve over 1,000 K surface temperature by consuming 2.5 g/h hydrogen fuel. Also, this system incorporates current state-of-the-art PhCs surfaces(2D Ta PhCs and Tandem Filter) to increase electrical power output. In addition, InGaAsSb PV cell, which bandgap is 0.55 eV, was applied to convert a wide range of radiative energy. The performance analysis shows that a single micro-combustor TPV system can produce 0.4 W ~ 27.7 W electrical power with the temperature change of emitter(900 K ~ 1,500 K) and PV cell(250 K ~ 400 K).

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