Compressible Aerodynamics Calculator 
Computes the standard relations for compressible flow of a perfect gas. Isentropic flow relations, normal shock relations, and oblique shock relations can be calculated.
http://www.aoe.vt.edu/aoe3114/calc.htmlCalculations and Equations of Fluid Mechanics 
An online fluid dynamics calculator.
http://www.lmnoeng.com/
eFluids 
A one-stop internet resource for fluid dynamics and flow engineering professionals
http://www.efluids.com
Antibubbles 
An antibubble is a ball of liquid surrounded by a thin film of air. Pictures, documentation and links.
http://hot-streamer.com/antibubbles
ERCOFTAC 
European Research Community on Fluids, Turbulence and Combustion. Portal to Fluid Dynamics database resources. Free registration required.
http://ercoftac.mech.surrey.ac.uk/
Advanced Aero/Hydrodynamics 
Course materials from University of Vermont.
http://www.aoe.vt.edu/aoe5104/
Fluid Salients in Air, Water, and Solids 
Site discusses fluid salients as a cause for ocean wave formation, cloud formation and geologic structure formation. Several small physical models of salients are also discussed.
http://www.geocities.com/magsalients/
Investigation into Aerodynamic Flutter Test Systems 
An investigation into aerodynamic vibration excitation systems for in-flight flutter testing of general aviation aircraft. Richard R. Western, Melbourne, 1999.
http://www.angelfire.com/music/thugboy/
Fluid Power Net International (FPN) 
Provides information and links to fluid power (hydraulics and pneumatics).
http://fluid.power.net/
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.
http://www.colorado.edu/MCEN/flowvis/
Transforming Ellipsodial Into Translatory Motion 
A report in pdf format describes how ellipsoidal water wave motion can be transformed into translatory motion to exchange polluted water in an almost closed sea bay.
http://www.geocities.com/marmarisproject/main.htm
The Effects of Water Hammer And Pulsations 
Explanation of water hammer and pulsation inclusive the formula used to calculate the pressure increase.
http://www.plastomatic.com/water-hammer.html
PivNet 2 
An introduction to the European Collaboration on Particle Image Velocimetry. Links to participating partners, information about courses, conferences and literature.
http://pivnet.dlr.de/
ePower Propulsion and Combustion 
A one-stop resource for professionals working in propulsion, power, and combustion fields.
http://www.epower-propulsion.com/
Convection in a box. 
Experiments with smoke inside a plexiglass box challenge convectional wisdom. Smoke can unexpectedly act heavier than air and then spontaneously reverse.
http://www.synapse9.com/airbox.htm
eMicroNano 
A free one-stop information resource for bio-, micro-, and nano-fluidic systems.
http://www.emicronano.com
Bernoulli's Principle Animation 
Interactive animation shows how pressure and velocity in a fluid behave according to Bernoulli's Principle.
http://home.earthlink.net/~mmc1919/venturi.html
Engineers Edge - fluid flow, hydraulic and pneumatic 
Fluids section of engineering directory. Provides definitions and practical applications.
http://www.engineersedge.com/fluid_flow/fluid_flow_table_content.htm
Fluid dynamics course material 
139 pages script at undergraduate level on the fundamental aspects of non-relativistic fluid dynamics in pdf format.
http://www.maths.qmul.ac.uk/~hve/MAS209/
Flow optimization 
The site demonstrates a method of flow visualisation by using an optically active liquid. The advantages of the method and some example applications are described.
http://www.flow-optimization.com/
Irrotational Plane Flows of an Inviscid Fluid 
Lecture for those who need a refresher course on hydrodynamics fundamentals.
http://www.diam.unige.it/~irro/
Classical Fluid Mechanics Problem Solutions 
Solutions to Classical Fluid Flow and Momentum Transfer Problems.
http://www.syvum.com/eng/fluid/