Symmetry Methods of Flow and Heat Transfer between Slowly Expanding or Contracting Walls

Table 12

Comparison between analytical and numerical solutions for self-axial velocity 𝑢/𝑥 at 𝑦=0.1 for 𝑅=−1, 𝛼=0.5.

	Analytical method	Numerical method	Percentage error (%)
𝑅𝑒=−1	1.490782	1.490460	0.021660
𝑅𝑒=−0.5	1.505526	1.506243	0.047638
𝑅𝑒=0.5	1.535012	1.535561	0.035738
𝑅𝑒=1	1.523217	1.524206	0.046138