Affiliation:
1. Qingdao University of Science and Technology
Abstract
The three difference structural heat storage devices are designed used paraffin as phase change heat storage materials for the chimney power plant system with vertical collector, and the FLUENT software is used to study the heat storing and releasing capacity of four different structural heat storage devices. The results are shown that: in the same case, The heat storage and heat release abilities of the devices with different surfaces are studied through numerical simulation, the results show that: the heat storage ability of the device with fins is much better than that of flat-plate device, and the heat storage ability of the device with longitudinal fins is a little better than that of the device with lateral fins. So for the solar chimney power plant system with vertical collector, the heat storage device with longitudinal fins can be chosen in consideration of the flow resistance and heat transfer ability. These results are the theoretical basis for the actual construction of the solar chimney power plant system with vertical collector.
Publisher
Trans Tech Publications, Ltd.
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