Experimental Study on Water Distribution and Droplet Kinetic Energy Intensity from Non-Circular Nozzles with Different Aspect Ratios

(1) Background: In sprinkler irrigation systems, the water distribution and droplet kinetic energy are affected by shape of nozzle. this paper, effects working pressure aspect ratio (L/D) circular non-circular nozzles (diamond ellipse) on intensity were investigated; (2) Methods: The hydraulic performance a PY15 impact with was assessed under different pressures, diameter, velocity, measured 2D video disdrometer. Moreover, coefficient variation (CV) form factor (β) introduced to represent characteristics; (3) Results: results revealed that, same pressure, CV diamond nozzle smallest compared that elliptical nozzles, reflecting more uniform distribution. uniformity best when L/D smallest. general, larger outlet wetted radius application rate. addition, smaller L/D, peak value radial increase single maximum per unit volume nozzles. at 200 kPa 100 obtained highest coefficients combined distribution, which 55.93% (circular), 67.59% (diamond), 57.78% (elliptical) combination spacings 1.0 R, 1.1 R 1.2 respectively. Finally, fitting function energy, distance from nozzle, established, 0.92 obtained, indicating equation accurate; (4) Conclusions: At low elliptic showed better distributions than distal average diameters found be those produced