supersonic waves
51Intake ramp — An intake ramp is a rectangular, plate like device within the air intake of a jet engine, designed to generate a shock wave to aid the inlet compression process at supersonic speeds. The ramp sits at an acute angle to deflect the intake air from… …
52Rolls-Royce/Snecma Olympus 593 — Olympus 593 Preserved Olympus 593 engine at the Imperial War Museum Duxford Type Turbojet …
53airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also …
54Mach wave — In fluid dynamics, a Mach wave is a pressure wave traveling with the speed of sound caused by a slight change of pressure added to a compressible flow. These weak waves can combine in supersonic flow to become a shock wave if sufficient Mach… …
55Muzzle shroud — A muzzle shroud is a sleeve (either circular or otherwise) that extends beyond a weapon s muzzle. Uses Sound waves are semi directional. They consist of both Point and Line wave propagation. The projectile emanates mostly Line propagation… …
56Supercruise — A supercruising aircraft is able to maintain supersonic speeds in level flight without the use of afterburners and with a cargo/weapons load.AdvantagesAfterburners, which most military aircraft use to travel at supersonic speeds, are very… …
57Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
58Concorde — For other uses, see Concorde (disambiguation). Concorde Role Supersonic airliner …
59HAL Tejas — infobox Aircraft name =Tejas type =Multirole fighter manufacturer =Aeronautical Development Agency Hindustan Aeronautics Limited caption = Pair of Tejas flying in formation designer = first flight =4 January 2001 introduction =Planned by 2010/11… …
60technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
