Hypersonic wind tunnel — A hypersonic wind tunnel is designed to generate a hypersonic flow field in the working section. The speed of these tunnels vary from Mach 5 to 15. As with supersonic wind tunnels, these types of tunnels must run intermittently with very high… … Wikipedia
Wind tunnel — A wind tunnel is a research tool developed to assist with studying the effects of air moving over or around solid objects.Ways that wind speed and flow are measured in wind tunnels: * Threads can be attached to the surface of study objects to… … Wikipedia
wind tunnel — /wind/, Aeron. a tubular chamber or structure in which a steady current of air can be maintained at a controlled velocity, equipped with devices for measuring and recording forces and moments on scale models of complete aircraft or of their parts … Universalium
Supersonic wind tunnel — A supersonic wind tunnel is a wind tunnel that produces supersonic speeds (1.2 … Wikipedia
Subsonic and transonic wind tunnel — ubsonic tunnelLow speed wind tunnels are used for operations at very low mach number, with speeds in the test section up to 400 km/h ( 100 m/s, M = 0.3). They are of open return type ( losses. Open wind tunnelThe working principle is based on the … Wikipedia
wind tunnel — A tubelike structure or passage, sometimes continuous, which together with its adjuncts (such as a fan), produces a high speed movement of air or other gas. Objects such as engines or aircraft, airfoils, rockets (or models of these objects), etc … Aviation dictionary
hypersonic — adjective Etymology: International Scientific Vocabulary Date: 1946 1. of or relating to speed five or more times that of sound in air compare sonic 2. moving, capable of moving, or utilizing air currents that move at hypersonic speed … New Collegiate Dictionary
Atmospheric reentry — refers to the movement of human made or natural objects as they enter the atmosphere of a planet from outer space, in the case of Earth from an altitude above the edge of space. This article primarily addresses the process of controlled reentry… … Wikipedia
Naval Ordnance Laboratory — The Naval Ordnance Laboratory (NOL), now disestablished, formerly located in White Oak, Maryland was the site of considerable work that had practical impact upon world technology. The White Oak site of NOL has now been taken over by the Food and… … Wikipedia
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
Syvertson — Clarence A. Sy Syvertson is the retired Center Director of the Ames Research Center of the National Aeronautics and Space Administration, located at Moffett Field, California. Syvertson was born in Minneapolis, Minnesota in 1926. He graduated… … Wikipedia