This work reports investigations on Diesel spray transients. accounting for internal nozzle flow and needle motion. and demonstrates how seamless calculations of internal flow and external jet can be accomplished in a Large-Eddy Simulation (LES) framework using an Eulerian mixture model. Sub-grid stresses are modeled with the Dynamic Structure (DS) model. https://www.lightemupsequences.com/hot-mega-Esko-Nexus-HeightMaster-Vented-Safety-Helmet-big-savings/