Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
668083 | International Journal of Thermal Sciences | 2015 | 9 Pages |
Abstract
Start-up heat transfer process in a parallel-plate channel has been studied in this article. Transient Graetz problem has been modeled to investigate the effects of geometry, flow regime, and fluid properties on the time of start-up process. An analytical solution based on the Graetz number has been presented as a solution to the partial differential equation of energy with associated initial and boundary conditions in details. Start-up process has been studied regarding Reynolds and Prandtl numbers. Obtained results showed that start-up process was shorter for flow regime with greater Graetz number, which corresponded to greater Reynolds and Prandtl numbers.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Fluid Flow and Transfer Processes
Authors
M. Goodarzi, S. Mazharmanesh,