| contributor author | Keene, Daniel J. | |
| contributor author | Davidson, Jane H. | |
| contributor author | Lipi„ski, Wojciech | |
| date accessioned | 2017-05-09T00:59:44Z | |
| date available | 2017-05-09T00:59:44Z | |
| date issued | 2013 | |
| identifier issn | 0022-1481 | |
| identifier other | ht_135_5_052701.pdf | |
| identifier uri | http://yetl.yabesh.ir/yetl/handle/yetl/152117 | |
| description abstract | The redox chemistry of nonstoichiometric metal oxides can be used to produce chemical fuels by harnessing concentrated solar energy to split water and/or carbon dioxide. In such a process, it is desirable to use a porous reactive substrate for increased surface area and improved gas transport. The present study develops a macroscopicscale model of porous ceria undergoing thermal reduction. The model captures the coupled interactions between the heat and mass transfer and the heterogeneous chemistry using a local thermal nonequilibrium (LTNE) formulation of the volumeaveraged conservation of mass and energy equations in an axisymmetric cylindrical domain. The results of a representative test case simulation demonstrate strong coupling between gas phase mass transfer and the chemical kinetics as well as the pronounced impact of optical thickness on the temperature distribution and thus global solartochemical energy conversion. | |
| publisher | The American Society of Mechanical Engineers (ASME) | |
| title | A Model of Transient Heat and Mass Transfer in a Heterogeneous Medium of Ceria Undergoing Nonstoichiometric Reduction | |
| type | Journal Paper | |
| journal volume | 135 | |
| journal issue | 5 | |
| journal title | Journal of Heat Transfer | |
| identifier doi | 10.1115/1.4023494 | |
| journal fristpage | 52701 | |
| journal lastpage | 52701 | |
| identifier eissn | 1528-8943 | |
| tree | Journal of Heat Transfer:;2013:;volume( 135 ):;issue: 005 | |
| contenttype | Fulltext | |
