Antibubbles - An antibubble is a ball of liquid surrounded by a thin film of air. Pictures, documentation and links. Calculations and Equations of Fluid Mechanics - An online fluid dynamics calculator. eFluids - A one-stop internet resource for fluid dynamics and flow engineering professionals ERCOFTAC - European Research Community on Fluids, Turbulence and Combustion. Portal to Fluid Dynamics database resources. Free registration required. University of Colorado Flow Visualization Course - A course in the physics and art of fluid flow for engineering and fine arts photography students at the University of Colorado, Boulder. The student gallery has a wide assortment of images ranging from soap films to clouds. The Effects of Water Hammer And Pulsations - Explanation of water hammer and pulsation inclusive the formula used to calculate the pressure increase. PivNet 2 - An introduction to the European Collaboration on Particle Image Velocimetry. Links to participating partners, information about courses, conferences and literature. Engineers Edge: Fluid Flow, Hydraulic and Pneumatic - Fluids section of engineering directory. Provides definitions and practical applications. Irrotational Plane Flows of an Inviscid Fluid - Lecture for those who need a refresher course on hydrodynamics fundamentals. Classical Fluid Mechanics Problem Solutions - Solutions to Classical Fluid Flow and Momentum Transfer Problems. Particulate Solid Research, Inc. - International industrial consortium that conducts applied research in fluidization, solids transport, and other fluid-particle areas. Overview of staff, programs, facilities, and information about membership, meetings and publications. Prandtl–Glauert Singularity - Wikipedia article on the point at which a sudden drop in air pressure occurs and which is the cause of the visible condensation cloud that may surround an aircraft. Navier-Stokes Equations - Equations describing how the velocity, pressure, temperature and density of a moving fluid are related. National Fluid Power Association - Acts as a forum where manufacturers, distributors, suppliers, customers and educators can act together to advance fluid power technology and strengthen the industry. Includes information on membership, events and industry news. Fighting Rocket Engine Combustion Instabilities - Provides information on studies of how damping in a combustion chamber works and how the process can be influenced. Albert Einstein's Analysis of the Brownian Motion - Free e-book by Walter Pfeifer describing the Brownian motion of suspended particles and Albert Einstein's formula. Potto Project: Fundamentals of Compressible Fluid Mechanics - Open and free content downloadable textbooks for engineering. Advanced Aero/Hydrodynamics - Course materials from University of Vermont.