Nozzle staggered arrangement

The fields of nozzles can be made from single nozzles, or hole channels, or from perforated plates with aligned or staggered arrangements, permitting a variety of geometric parameters. The heat transfer coefficient of nozzle arrays is therefore considered in more detail in the following. 

Fig. 1.10 Temperature field of a plate with (a) an in-line and (b) a staggered arrangement of the nozzles.

In Fig. 1.2a, the view of a nozzle array is shown with the impacted area. The nozzles may be arranged either in-line or staggered (in this figure the nozzles are in-line). In any case, each nozzle is influenced by the square area t of the nozzle pitch, and by using this area the average of the heat transfer can be determined. 

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