多孔性固体ふく射変換体を用いた水蒸気改質反応装置の非定常特性の解析

概要

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A numerical analysis has been made for the transient behavior of a steam reformer for a fuel cell, the fundamental concept of which is a high-performance radiant heat exchanger composed of a couple of porous media energy converters. A numerical model is developed describing a one-dimensional model of the heat exchanger involving a mixture of methane and steam flowing through a porous medium catalyst, on which a reforming reaction takes place. Some illustrative examples of control patterns are shown in this paper as well as the basic transient behaviors of the reformer. The results show that the time constant of the reformer is much shorter than that of conventional heating systems. Further, the time lag of the output is easily reduced using a simple control pattern. Therefore, the steam reformer can well respond to the variation of load of the fuel cell.
一般社団法人日本機械学会の論文
1989-06-25