# oblique shock

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## oblique shock

[ə′blēk ′shäk]
(fluid mechanics)

## inclined shock

When ball is in the center, it means that the aircraft is level. If the aircraft is inclined to either side, the ball will be not be in the center anymore.
A shock wave that forms on a sharp-pointed object moving through the air at a speed greater than the speed of sound. Air passing through an inclined shock wave is slowed down, but if the wave angle is less than about 70° it still will be supersonic. The area bounded by the sides of an oblique shock wave forms the Mach cone. Also known as an oblique shock.

## oblique shock wave

A shock wave that forms on a sharp-pointed object moving through the air at a speed greater than the speed of sound. Air passing through an oblique shock wave is slowed down but if the wave angle is less than about 70°, it still will be supersonic. The area bounded by the sides of an oblique shock wave forms the Mach cone. Also known as an oblique shock. See also Mach cone.
References in periodicals archive ?
Oblique shock waves, expansion waves and shock wave interactions are mainly considered.
Scramjet inlet incorporates oblique shock waves in various external and internal blends in order to achieve the desired combinations of compression and turning.
It can be seen from Figure 4(a) that an obvious oblique shock formed at the first fuel injection orifice, and then it was followed by a long shock train.
There is also an oblique shock wave that starts from the leading edge of the cavity.
2, an oblique shock system exists with the lead shock stretched between the cone's apex and the nacelle lip, to yield a maximum total pressure recovery of 40:1.
The sudden loss of this efficient oblique shock system is called an "unstart" and instantly yaws the aircraft, necessitating swift and nimble action by the pilot and engine control system to restore it.
Readers should have background in basic shock wave concepts, including the equations for an oblique shock in a steady flow of a perfect gas.
Before attempting a full-scale blast load analysis, the engineers conducted three analyses to verify the Abaqus CEL could simulate normal and oblique shock wave reflections against the Lagrangian model accurately.
Subsequent chapters address steady one-dimensional flow, normal shock waves, oblique shock and expansion waves, compressible flow equations, similarity rule, and two-dimensional compressible flows, among other topics, ending with chapters on ramjet, and jets.
If the exit pressure is slightly less than the back pressure, then oblique shock waves occur at the nozzle exit as shown in figure 2.
Oblique Shock waves and normal shocks are very small regions in the gas where the gas properties change by a large amount.
Among the titles are the periodic and quasi-periodic motion of point vortices, vortices in superconductors, vortex dipole coordinates on spheres, the interaction between longitudinal vortices and normal and oblique shocks, and typical vortex phenomena in flow fields past space vehicles.

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