Witold Szaniawski

Witold Szaniawski

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This is what a sonic boom looks like - when an aircraft is near the sound barrier, an unusual cloud sometimes forms in its wake. A Prandtl-Glauert Singularity results from a drop in pressure, due to shock wave formation. This pressure change causes a sharp drop in temperature, which in humid conditions leads the water vapor in the air to condense into droplets and form the cloud.

The bow shock-wave - very high subsonic flight, just below the speed of sound. Some surfaces of the aircraft are already supersonic - there is local supersonic flow. The mass condensation occurs in the low pressure area directly behind the bow shock-wave.

Ride Your Dragon: Leaving for Seville

Plaza de España ("Spain Square") is a plaza located in the Parque de María Luisa (Maria Luisa Park), in Seville, Spain built in 1928 for the Ibero-American Exposition of It is a landmark example of the Renaissance Revival style in Spanish architecture.