Recently, a research article titled “Spray combustion characteristics of a gas–liquid pintle injector with variable swirl intensities”（DOI: 10.1063/5.0164130）has been published in Physics of Fluids, one of the top journals in Fluid Mechanics, by Dr. He Chengming and Professor He Zhixia. Jiangsu University is the first affiliation and Dr. He Chengming is the first author of this paper.
