[ASME ASME 2018 5th Joint US-European Fluids Engineering Division Summer Meeting - Montreal, Quebec, Canada (Sunday 15 July 2018)] Volume 1: Flow Manipulation and Active Control; Bio-Inspired Fluid Mechanics; Boundary Layer and High-Speed Flows; Fluids Engineering Education; Transport Phenomena in Energy Conversion and Mixing; Turbulent Flows; Vortex Dynamics; DNS/LES and Hybrid RANS/LES Methods; Fluid Structure Interaction; Fluid Dynamics of Wind Energy; Bubble, Droplet, and Aerosol Dynamics - Effects of Offset Height on the Turbulent Characteristics of Rectangular Twin Jets