Within this contribution, heat-up of a moving bed on a forward and backward acting grate is compared through results obtained by numerical predictions. The dynamics of the grate bars determine motion of packed beds and their temperature distribution during heat-up to a large extent. Therefore, both bar amplitude and periodicity were subject to change, and its effect on individual particle temperatures was predicted. The heat-up process of the entire packed bed was characterized by maximum, minimum, and mean temperatures in conjunction with its standard deviation. [ABSTRACT FROM AUTHOR]
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