Journal of the Korean Society of Visualization (한국가시화정보학회지)

The Korean Society of Visualization (한국가시화정보학회)
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Experimental Study on Visualization of Water Distribution Inside PEMFC Using a Commercial Radiation X-ray Generator

상용 방사선 X선 발생 장치를 이용한 PEMFC 내부 물 분포 가시화를 위한 실험적 연구

  • Young Hyun Kim (Department of Mechanical Design Engineering, Pukyong National University) ;
  • Tae Jun Kim (Department of Mechanical Design Engineering, Pukyong National University) ;
  • Seon Ho Choi (Department of Mechanical Design Engineering, Pukyong National University) ;
  • Dong In Yu (School of Mechanical Engineering, Pukyong National University)
  • Received : 2024.03.14
  • Accepted : 2024.03.29
  • Published : 2024.07.31
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Abstract

Water management is crucial for the performance, durability, and stability of Polymer Electrolyte Membrane Fuel Cells (PEMFCs). Due to its importance, various methods for visualizing PEMFC's internal water distribution have been adapted to study and manage water within the cells. However, these methods often require large facilities, leading to high costs and significant barriers to entry. This study addresses these challenges by using a commercial Radiation (X-ray) Generator (RG) for internal water distribution visualization and comparing the results with synchrotron X-ray data from the Pohang Accelerator Laboratory (PAL) 9D beamline. Despite the lower resolution and potential beam distortion challenges, the RG shows promise for PEMFC water distribution visualization, suggesting the need for further research to refine water attenuation coefficients and build-up factors for improved measurement accuracy.

Keywords

Acknowledgement

본 연구는 2023년도 교육부의 재원으로 한국연구재단의 지원을 받아 수행된 지자체-대학 협력기반 지역혁신 사업의 결과입니다(2023RIS-007). 본 연구는 과학기술정보통신부의 재원으로 한국연구재단의 지원을 받아 수행되었습니다(NRF-2021R1C1C1010589). 포항방사광가속기(PLS- II 9D beamline)에서의 실험은 과학기술정보통신부와 포항공과대학교의 지원을 받았습니다.

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