Breakup length and droplet size of distilled water and Surfactin sprayed droplets in flat fan, full cone, and low energy precision application (LEPA) bubbler nozzles

The objective of this work was to investigate the effects on spray dynamics of adding Surfactin to distilled water; four fan nozzles (F1-F4), one cone nozzle, and three bubbler (B1-3) nozzles were investigated at various pressure s. Twenty images were recorded for each nozzle, pressure, and spray solution (distilled water and surfactant solution) and analyzed for breakup length, droplet sizes, spray angle in the fan and cone nozzles, and ligament diameter in the bubbler nozzles. This data set provides each image's pressure, mass flow rate, and ambient relative humidity. For the fan and cone nozzle, it provides the volumetric mean diameter (D_V50), breakup length, and spray angle for each image. For the bubbler nozzle, it provides droplet diameter, breakup length, and ligament diameter from images. Data used in Stallbaumer-Cyr, E.M. Identifying droplet boundaries: impacts of surface topography on droplet freezing and investigation of Surfactin on spraying dynamics (https://krex.k-state.edu/handle/2097/42990).本研究旨在探究向蒸馏水中添加表面活性素（Surfactin）对喷雾动力学的影响；实验采用四种扇形喷嘴（F1-F4）、一种锥形喷嘴与三种鼓泡式喷嘴（B1-3），并在多组压力条件下开展测试。针对每种喷嘴、压力与喷雾溶液（蒸馏水与表面活性素溶液），均采集20张图像，并对其破碎长度、液滴尺寸、扇形与锥形喷嘴的喷雾角，以及鼓泡式喷嘴的韧带直径进行分析。本数据集包含每张图像对应的压力、质量流量与环境相对湿度。其中，扇形与锥形喷嘴的数据集条目包含每张图像的体积平均粒径（D_V50）、破碎长度与喷雾角；鼓泡式喷嘴的数据集条目则包含从图像中提取的液滴直径、破碎长度与韧带直径。本数据集所用数据源自Stallbaumer-Cyr, E.M.的研究《Identifying droplet boundaries: impacts of surface topography on droplet freezing and investigation of Surfactin on spraying dynamics》（https://krex.k-state.edu/handle/2097/42990）。