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针对非能动氢复合器催化板开展了表面催化反应与流动传热耦合特性机理实验研究,分析了不同入口流速和入口氢浓度对化学反应与流动传热特性的影响。结果表明:催化板表面温度总体上呈现出前段高、后段低的规律;入口流速越大,出口氢浓度越高,入口流速对催化板表面温度呈现出非单调影响;入口氢浓度越高,出口氢浓度和催化板表面温度均升高。
Experimental study on the coupling mechanism of catalytic reaction and flow and heat transfer on the catalytic substrate of passive hydrogen recombiner was carried out. The effects of different inlet flow rates and inlet hydrogen concentration on the chemical reaction and flow and heat transfer characteristics were analyzed. The results showed that the surface temperature of the catalyst plate showed a generally high front and a low back section. The larger the inlet flow rate was, the higher the outlet hydrogen concentration was. The inlet flow rate showed a non-monotonic effect on the surface temperature of the catalyst plate. Both the outlet hydrogen concentration and the catalytic plate surface temperature increased.