Figure 2.19: Experimentally measured impingement jet Nusselt number for an array of impingement jets at a jet Reynolds number of 4,000 and a target spacing of three nozzle diameters. Hole pitch is three nozzle diameters in both the x and y directions. The flow exits in two directions.
Figure 2.20: Experimentally measured impingement jet Nusselt number for an array of impingement jets at a jet Reynolds number of 15,000 and a target spacing of three nozzle diameters. Hole pitch is three nozzle diameters in both the x and y directions. The flow exits in two directions.