Hydrogen Concentrations Measurement in Diesel Exhaust Gas by Using Solid Electrolyte Hydrogen Sensor

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  • 固体電解質センサによるディーゼル排気ガス中の水素濃度測定
  • コタイ デンカイシツ センサ ニ ヨル ディーゼル ハイキ ガス チュウ ノ スイソ ノウド ソクテイ

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Abstract

Hydrogen concentration in diesel exhaust gas was measured on engine test bench by using hydrogen sensor of solid electrolyte ceramics which can measure only hydrogen selectively by proton conduction, which enables measurement of hydrogen concentration in situ and continuously. In this study, the hydrogen concentration found to be different from that of measured DOC in front and behind. In addition, we also measured hydrogen concentration changes under loaded state and idle state.

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