Some Effects of Air and Fuel Oil Temperatures on Spray Penetration and Dispersion
A 1930 NASA technical report on how air and fuel oil temperatures affect how far and how widely a fuel spray penetrates and disperses, compiled for engineers and researchers of combustion engines. Its pictures are grainy black-and-white photographs of spray plumes photographed in sequence against graduated time and penetration scales, showing jets that lengthen and widen as time passes, a pattern a designer might borrow for diagrams of motion, dispersal, or stepped timelines.
