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The teardrop-shaped openings along the outer edge of the turbine are the air channels used to cool the blades. Cutaway of J35 combustor dome Cutaway of J35 fuel atomizer. The engine had its starter and accessories (fuel control, fuel pump, oil pumps, hydraulic pump, RPM generator) [3] mounted in the center of the compressor inlet. This ...
The Rolls-Royce Olympus (originally the Bristol B.E.10 Olympus) was the world's second two-spool axial-flow turbojet aircraft engine design, first run in May 1950 and preceded only by the Pratt & Whitney J57, first-run in January 1950. [1] [2] It is best known as the powerplant of the Avro Vulcan and later models in the Concorde SST.
This article outlines the important developments in the history of the development of the air-breathing (duct) jet engine.Although the most common type, the gas turbine powered jet engine, was certainly a 20th-century invention, many of the needed advances in theory and technology leading to this invention were made well before this time.
Gas turbine engines, commonly called "jet" engines, could do that. The key to a practical jet engine was the gas turbine, used to extract energy from the engine itself to drive the compressor. The gas turbine was not an idea developed in the 1930s: the patent for a stationary turbine was granted to John Barber in England in 1791.
Seals are used to prevent oil leakage, control air for cooling and prevent stray air flows into turbine cavities. A series of (e.g. labyrinth) seals allow a small flow of bleed air to wash the turbine disc to extract heat and, at the same time, pressurize the turbine rim seal, to prevent hot gases entering the inner part of the engine.
A turbojet engine is a gas turbine engine that works by compressing air with an inlet and a compressor (axial, centrifugal, or both), mixing fuel with the compressed air, burning the mixture in the combustor, and then passing the hot, high pressure air through a turbine and a nozzle. The compressor is powered by the turbine, which extracts ...
After a visit to England mid-1941, General Henry H. Arnold was so impressed by flight demonstrations of the Gloster E.28/39 jet aircraft he had witnessed that he arranged for the Power Jets W.1X turbojet engine to be shipped by air to the U.S, along with drawings for the more powerful W.2B/23 engine, so that the US could develop its own jet engine.
The J33 was originally developed by General Electric as a follow-on to their work with the designs of Frank Whittle during World War II.Their first engine was known as the General Electric I-A, but after major changes to adapt it to US production and to increase thrust, it started limited production as the I-16 in 1942, the 16 referring to its 1,600 lbf (7.1 kN) thrust.
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