Particle distribution refers to the spatial arrangement and concentration of particles within a given system or environment. This research area is concerned with studying how particles, such as solid particles, liquid droplets, or gas molecules, are dispersed throughout a medium or dispersed in space. Researchers in this field investigate various aspects of particle distribution, such as the size, shape, density, and velocity of particles, as well as how they interact with each other and with the surrounding medium. This research is important in various scientific and engineering fields, including atmospheric science, environmental engineering, fluid dynamics, and material science. By studying particle distribution, researchers can gain insights into the behavior of particles in complex systems, predict how particles may move and accumulate in different environments, and develop strategies to control or manipulate particle dispersion for various applications.