Research Article

Impact of Surface Undulation on Flow and Heat Transfer Characteristics in an Enclosure Filled with Nanoencapsulated Phase Change Materials (NEPCMs)

Table 2

Grid sensitivity checks for the average Nusselt number and the maximum value of stream function at , , , and .

PredefinedDomainBoundaryCPU
Mesh sizeElementsElementsTime (s)

Coarser359328313.8447.89517
Coarse487434213.8387.48721
Normal599536913.8727.34121
Fine828042013.8957.316225
Finer1346660813.8557.19236
Extra fine29372104213.8557.12378
Extremely fine36480104213.8547.114100