Numerical Investigation of Non-Newtonian Flow and Heat Transfer Characteristics in Rectangular Tubes with Protrusions

Table 1

Grid independency study.

Case	Total nodes	Nu	Difference %		Difference %
Mesh 1	1599456	136.609	3.31	0.012503	0.45
Mesh 2	2432201	139.166	1.50	0.012527	0.25
Mesh 3	3817146	140.310	0.69	0.012548	0.09
Mesh 4	5579691	141.284	Reference	0.012559	Reference