Prediction of Spray Behavior Injected by Urea SCR Injector and the Reaction Products（Fourth Report）

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  • 尿素SCR 用インジェクタから噴射される尿素水挙動および生成化合物の予測（第4報）
  • 尿素SCR用インジェクタから噴射される尿素水挙動および生成化合物の予測(第4報)高温流動場における尿素濃度分布の実験的解析
  • ニョウソ SCRヨウ インジェクタ カラ フンシャ サレル ニョウソスイ キョドウ オヨビ セイセイ カゴウブツ ノ ヨソク(ダイ4ホウ)コウオン リュウドウジョウ ニ オケル ニョウソ ノウド ブンプ ノ ジッケンテキ カイセキ
  • - Experimental Analysis of Urea Concentration Distribution Under High Temperature Flow Condition -
  • - 高温流動場における尿素濃度分布の実験的解析-

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Abstract

Urea SCR system is effective post treatment device of diesel engine to remove NOx in exhaust gas. The purpose of this study is constructing simulation model capable of predicting spray behavior and NH3 concentration distribution. In order to achieve the purpose, it is necessary to clarify urea solution spray behavior injected by Urea SCR injector and concentration distribution of NH3 generated by chemical reaction in experimental analysis. In this report, NH3 and HNCO concentration distribution were measured by FTIR, and urea concentration distribution was calculated.

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