speed instability

См. также в других словарях:

• Speed wobble — Wobble, shimmy, tank slapper, speed wobble, and even death wobble are all words and phrases used to describe a quick (4 10 Hz) oscillation of primarily just the steerable wheel(s) of a vehicle. The rest of the vehicle remains mostly unaffected.… …   Wikipedia

• Rayleigh–Taylor instability — The Rayleigh–Taylor instability, or RT instability (after Lord Rayleigh and G. I. Taylor), is an instability of an interface between two fluids of different densities, which occurs when the lighter fluid is pushing the heavier fluid. [citation… …   Wikipedia

• Kelvin–Helmholtz instability — Numerical simulation of a temporal Kelvin–Helmholtz instability The Kelvin–Helmholtz instability, after Lord Kelvin and Hermann von Helmholtz, can occur when velocity shear is present within a continuous fluid, or when there is sufficient… …   Wikipedia

• Pair-instability supernova — A pair instability supernova occurs when pair production, the production of free electrons and positrons in the collision between atomic nuclei and energetic gamma rays, reduces thermal pressure inside a supermassive star s core. This pressure… …   Wikipedia

• Magnetorotational instability — The magnetorotational instability or MRI is a fluid instability that arises when the angular velocity of a magnetized fluid decreases as the distance from the rotation center increases. It can also be known as the Velikhov Chandrasekhar… …   Wikipedia

• TGV world speed record — The TGV (train à grande vitesse, French for high speed train ) holds a series of world speed records achieved in the context of an active research and development program pursued by SNCF, the French national railway, and its industrial partners.… …   Wikipedia

• Taiwan High Speed 700T train — Infobox EMU name = 700T Series Shinkansen imagesize = 240px caption = A THSR 700T train InService = 2007 Present Manufacturer = Hitachi, Kawasaki HI, Nippon Sharyo Family = Built = Refurbishment = Formation = 12 cars per trainset Operator = THSR… …   Wikipedia

• Jeans instability — The Jeans instability causes the collapse of interstellar gas clouds and subsequent star formation. It occurs when the internal gas pressure is not strong enough to prevent gravitational collapse of a region filled with matter. For stability, the …   Wikipedia

• divergent instability — exists at a pre scribed trim if any small temporary disturbance or control input causes an ever increasing vehicle response without oscillation. Note: divergent instability may be illustrated by operation above the critical speed of an oversteer… …   Mechanics glossary

• oscillatory instability — exists if a small temporary disturbance or control input causes an oscillatory vehicle response of ever increasing amplitude about the initial trim. Note: divergent instability may be illustrated by operation above the critical speed of an… …   Mechanics glossary

• Harley-Davidson — Type Public company Traded as NYSE: HOG …   Wikipedia