normal shock
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normal shock — A shock wave at 90° to the direction of airflow. It is found ahead of an airfoil approaching the speed of sound. Airflow behind the normal shock is invariably subsonic. Also called a normal shock wave … Aviation dictionary
Normal shock tables — The Normal shock tables are a series of tabulated data listing the various properties before and after the occurrence of a normal shock wave.[1] With a given upstream Mach number, the post shock Mach number can be calculated along with the… … Wikipedia
Shock wave — Bombshock redirects here. For the Transformers character, see Micromasters#Bombshock. For other uses, see shockwave. Schlieren photograph of an attached shock on a sharp nosed supersonic body. A shock wave (also called shock front or simply shock … Wikipedia
shock wave — An area or sheet of discontinuity (i.e., of abrupt changes in conditions) set up in a supersonic field of flow, through which the fluid undergoes a finite decrease in velocity accompanied by a marked increase in pressure, density, temperature,… … Aviation dictionary
normal Mach wave — A wave formed in front of a body when it is moving at the speed of sound. The waves do not move ahead of the body; they bunch up and form a Mach wave. If a Mach wave is at right angles to the direction of movement of the body, the wave is called… … Aviation dictionary
Shock cooling (engines) — Shock cooling refers to the theory that damage to engines (particularly air cooled aviation piston engines) may occur because of an excessively rapid decrease in temperature.The situation where rapid cooling arises is on descent from altitude. In … Wikipedia
Shock hardening — is a process used to strengthen metals and alloys, wherein a shock wave produces atomic scale defects in the material s crystalline structure. As in cold work, these defects interfere with the normal processes by which metallic materials yield… … Wikipedia
Normal CornBelters — Founded in 2009 Normal, Illinois Team logo Cap insignia … Wikipedia
Shock (circulatory) — Acute shock redirects here. For the psychological condition, see Acute stress reaction. Shock ICD 10 many incl. R57 ICD 9 785 DiseasesDB … Wikipedia
shock — shock1 shockable, adj. shockability, n. shockedness, n. shocklike, adj. /shok/, n. 1. a sudden and violent blow or impact; collision. 2. a sudden or violent disturbance or commotion: the shock of battle. 3. a sudden or violent disturbance of the… … Universalium
Oblique shock — A small scale X 15 placed in a NASA supersonic wind tunnel produces an oblique shock wave at the nose of the model (along with other shocks). An oblique shock wave, unlike a normal shock, is inclined with respect to the incident upstream flow… … Wikipedia
