Fig. 5

Local Nusselt number evolution along the impinging wall for different numbers of jets and jet–jet spacing: (a) S = 1, (b) S = 2, (c) S = 3, and (d) S = 4.
Local Nusselt number evolution along the impinging wall for different numbers of jets and jet–jet spacing: (a) S = 1, (b) S = 2, (c) S = 3, and (d) S = 4.