porous diffusion meaning in English
多孔扩散
Examples
- The effect of thermal conductivity of membrane on the distribution of temperature in the fuel cell is discussed , and the effect of inlet velocity and porosity of porous diffusion layers on the fuel cell performance are analyzed
讨论了质子膜的导热率对电池内温度分布的影响。分析了进料速度和多孔扩散层孔隙率对电池性能的影响，结果表明较快的进料速度和较大的扩散层孔隙率都能有效提高电池的性能。 - In this paper the anode porous diffusion layer model of dmfc for mass transfer has been described on the basis that all components are gaseous and well mixed . the purpose of the model is to determine the variation in concentration of species in the diffusion layer and thus the concentration of the reactive species at the edge of the reaction layer
本文还推导出了气相进料的dmfc阳极多孔扩散层模型，模型详细描述了甲醇，水以及二氧化碳在扩散层中的传递和反应，使用本模型可以确定各种物质在阳极多孔扩散层中浓度的变化，并可由此确定气体扩散层催化剂层边界处反应物质的浓度。 - The porous diffusion type silencer is widely used to reduce the air flow noise because of its small volume and high noise attenuating ability . the out case of the silencer plays a very important role in reducing noise . the effect of the hole ' s shape , diameter and the distance between neighboring holes as well as the matchup between the case and the sound absorbing material tube are investigated experimentally . the relation between the out - flow noise and the gas velocity distribution is carefully studied for two different kinds of matchup between the case and the sound absorbing material tube . some useful results are gotten , which may be valuable to the design of the silencer
多孔扩散型消声器由于其体积小、消声性能高而广泛应用到排气噪声的降低上，其外壳对消声器的消声性能具有重要作用.本文对此类消声器外壳的孔型、孔径和孔距以及外壳同消声材料的配合方面进行了细致的实验研究，特别对外壳与消声材料的配合与其排放噪声以及外部流场之间的关系进行了探讨，得到了一些有用的结论，对消声器性能的提高具有一定指导意义。