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이 논문의 연구 히스토리 (3)
2014
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A numerical analysis was performed to study PEMFC characteristics depending on the flow direction of reactant gas in cathode gas channel using the Fluent. As cathode relative humidity increases, water mass fraction increases due to back diffusion from cathode. For the both of co-flow and counter-flow cases, water mass fraction is higher near the hydrogen inlet region where the chemical reaction rate is high. In overall, counter-flow case gives higher current density compared to co-flow case for the same operating conditions.
However, the difference in the current density is not high. The temperature is also higher near the hydrogen inlet region due to the chemical reaction rate for the both of co-flow and counter-flow cases.
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참고문헌 (9)
참고문헌 신청
ANSYS Ins / 2010 / ANSYS FLUENT User`s Guide Release 13.0
B. S. Kim / 2011 / Effects of Flow Field Orientation on Performance of Air Flow Proton Exchange Membrance Fuel Cells / Journal of the Korean Society of Mechanical Engineers '11 Fal
C. M. Kang / 2011 / Analysis of the mass transfer and temperature in the polymer electrolyte fuel cell”, Proceedings of the Korean Society of Automotive Engineers / '11 Spring Ann
D. R. Lee / / Study for the effect of flow direction in anode and cathode from PEMFC simulation / Journal of the Korean Society of Automotive Engineers '06 Spring Annual Conference
P. Y. Lee / 2008 / Three Dimensional Computational Study on Performance Characteristics of PEMFC by Different Cathode Humidity / '08 Autumn Annual Conference : 1022 ~ 1030
B. S. Kim / 2011 / Effects of Flow Field Orientation on Performance of Air Flow Proton Exchange Membrance Fuel Cells / Journal of the Korean Society of Mechanical Engineers '11 Fal
C. M. Kang / 2011 / Analysis of the mass transfer and temperature in the polymer electrolyte fuel cell”, Proceedings of the Korean Society of Automotive Engineers / '11 Spring Ann
D. R. Lee / / Study for the effect of flow direction in anode and cathode from PEMFC simulation / Journal of the Korean Society of Automotive Engineers '06 Spring Annual Conference
P. Y. Lee / 2008 / Three Dimensional Computational Study on Performance Characteristics of PEMFC by Different Cathode Humidity / '08 Autumn Annual Conference : 1022 ~ 1030
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