Videos
NASA's X-43A scramjet breaks speed record on November 16th,2004 (M=10 with sound) - Fact Sheet
F14 breaking the sound barrier (with sound)
F14 breaking the sound barrier (with sound) - note the perturbation on the water surface ***
F18 breaking the sound barrier (without sound) - note the condensation cloud ***
F18 breaking the sound barrier (with sound) - note the condensation cloud
Softwares
VuCalc - Software to calculate shock wave properties, Rayleigh and Fanno curves, etc ****
2D-Flow - Software to simulate potential flows ****
Cyclepad
- Software to simulate thermodynamic cycles ****
PSIM
- Pump System Improvement Modeling Tool ****
EPANET - Extended period simulation of hydraulic and water quality behavior within pressurized pipe networks****
See also the link "online simulations" at the left frame!!!
Figures
Ship "Alcyone" of J.Y. COUSTEAU which relays on the principles of the Magnus effect***: pic1, pic2, pic3, pic4, pic5, pic6, pic7 (The Magnus effect characterizes the lift force exerted on a rotating cylinder in an uniform flow. The lift force is proportional to the fluid density, uniform flow velocity and the rotation speed of the cylinder. It is named after H.G. MAGNUS (1802-1870), a German physicist who investigated this effect in 1852. The rotor ship, designed by Anton FLETTNER (1885-1961) about 1924, used this principle. It was designed by mounting large vertical circular cylinders on the ship and then mechanically rotating the cylinders to provide circulation. More recently a similar system was developed for the new ship "Alcyone" of J.Y. COUSTEAU. The flow past a rotating cylinder may be achieved by the superposition of an uniform flow, a doublet at the origin and a vortex at the origin. The rotation of the cylinder induces a velocity acceleration on one side of the cylinder, associated with underpressure, and a fluid deceleration on the other side associated with an increase of pressure. The resulting pressure difference across the cylinder generates a lift force acting normal to the flow velocity. The Magnus effect it is responsible for the curve of a top-spin tennis ball or a driven golf ball, and it affects the trajectory of a spinning artillery shell and intercontinental missiles. On the Alcyone vessel, the rotating cylinder was replaced by some suction effect on parts of the cylinder. The resulting flow pattern is very close to that of the flow past a rotating cylinder, without the cumbersome apparatus.)
Others
NACA1135 Report (Equations, Tables, and Charts for Compressible Flow)
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