reflected shock

См. также в других словарях:

• reflected shock wave — When a shock wave traveling in a medium strikes the interface between this medium and a denser medium, part of the energy of the shock wave induces a shock wave in the denser medium and the remainder of the energy results in the formation of a… …   Military dictionary

• Shock tube — A shock tube is a device used primarily to study gas phase combustion reactions. Shock tubes (and related shock tunnels) can also be used to study aerodynamic flow under a wide range of temperatures and pressures that are difficult to obtain in… …   Wikipedia

• Shock diamond — [ Pratt Whitney J58 engine on testbed with full afterburner] Shock diamonds (also known as Mach diamonds or Mach disks) are a formation of shock waves in the exhaust plume of an aerospace propulsion system, such as a supersonic jet engine, rocket …   Wikipedia

• Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …   Wikipedia

• Compressible flow — is the area of fluid mechanics that deals with fluids in which the fluid density varies significantly in response to a change in pressure. Compressibility effects are typically considered significant if the Mach number (the ratio of the flow… …   Wikipedia

• Depth charge — For other uses, see Depth charge (disambiguation). Mark IX Depth Charge used by the U.S. Navy late in World War II. Unlike the cylindrical, barrel shaped depth charge used earlier, the Mark IX is streamlined and equipped with canted fins to… …   Wikipedia

• Avalanche transistor — An Avalanche Transistor is a bipolar junction transistor designed for operation in the region of its collector current/collector to emitter voltage characteristics beyond the collector to emitter breakdown voltage, called avalanche breakdown… …   Wikipedia

• nonchoked — adjective Not choked. At low incident shock strength, nonchoked flow results, and the wave system consists of a reflected shock and a transmitted shock followed by a contact surface …   Wiktionary

• Dense plasma focus — Plasma gun redirects here. For the science fiction weapon, see plasma weapon (fiction). A dense plasma focus (DPF) is a machine that produces, by electromagnetic acceleration and compression, a short lived plasma that is so hot and dense that it… …   Wikipedia

• Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …   Universalium

• performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical.       The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …   Universalium