Radial profiles of deposition nozzles for high uniformity (Q1819659)

An important design problem is concerned with uniform wetting of plane areas using arrays of spraying nozzles. Good uniformity requires that the radial profile of deposition from the nozzles, as well as the array spacing, be carefully chosen. The purpose of this paper is to present a technique for computing nozzle profiles which result in high uniformity when used in particular array configurations. The method is based on a spline model for the nozzle, with coefficients determined by minimizing the absolute deviation from mean deposition. Results for square, rectangular, and triangular arrays are presented.