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Journal article

Analysis of single blow effectiveness in non-uniform parallel plate regenerators

By Jensen, Jesper Buch1,2,3; Bahl, Christian Robert Haffenden3; Engelbrecht, Kurt1,2,3; Elmegaard, Brian4,5; Pryds, Nini1,2,3

From

Thermo Ceramics, Fuel Cells and Solid State Chemistry Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark1

Fuel Cells and Solid State Chemistry Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark2

Risø National Laboratory for Sustainable Energy, Technical University of Denmark3

Thermal Energy, Department of Mechanical Engineering, Technical University of Denmark4

Department of Mechanical Engineering, Technical University of Denmark5

Non-uniform distributions of plate spacings in parallel plate regenerators have been found to induce loss of performance. In this paper, it has been investigated how variations of three geometric parameters (the aspect ratio, the porosity, and the standard deviation of the plate spacing) affects this loss in a single blow model of a parallel-plate regenerator.

Simple analytical functions for the magnitude and the time scale of the reduction of performance are presented and compared to numerical results.

Language: English
Year: 2011
Pages: 4746-4751
ISSN: 18792189 and 00179310
Types: Journal article
DOI: 10.1016/j.ijheatmasstransfer.2011.05.031
ORCIDs: Bahl, Christian Robert Haffenden , Engelbrecht, Kurt , Elmegaard, Brian and Pryds, Nini
Keywords

Distribution Modeling Non-uniform Performance Regenerator

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