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Turbomachinery, in mechanical engineering, describes machines that transfer energy between a rotor and a fluid, including both turbines and compressors. While a turbine transfers energy from a fluid to a rotor, a compressor transfers energy from a rotor to a fluid. [1] [2] It is an important application of fluid mechanics. [3]
The turbojet is an airbreathing jet engine which is typically used in aircraft. It consists of a gas turbine with a propelling nozzle . The gas turbine has an air inlet which includes inlet guide vanes, a compressor, a combustion chamber, and a turbine (that drives the compressor).
Diagram of a typical gas turbine jet engine. Air is compressed by the compressor blades as it enters the engine, and it is mixed and burned with fuel in the combustion section. The hot exhaust gases provide forward thrust and turn the turbines which drive the compressor blades. 1. Intake 2. Low pressure compression 3. High pressure compression ...
GE T64 turboprop, with the propeller on the left, the gearbox with accessories in the middle, and the gas generator (turbine) on the right. A turboprop is a gas turbine engine that drives an aircraft propeller. [1] A turboprop consists of an intake, reduction gearbox, compressor, combustor, turbine, and a propelling nozzle. [2]
The J57 (first run January 1950 [1]) was the first 10,000 lbf (45 kN) thrust class engine in the United States. It is a two spool engine. The J57/JT3C was developed into the J52 turbojet, the J75/JT4A turbojet, the JT3D/TF33 turbofan, and the XT57 turboprop (of which only one was built). [2]
For a turboprop engine there will be a particular balance between propeller power and jet thrust which gives the most economical operation. In a turbojet engine only enough pressure and energy is extracted from the flow to drive the compressor and other components. The remaining high-pressure gases are accelerated through a nozzle to provide a ...
Many early turbojet engines used centrifugal compressors as they were robust and simple to design. Pages in category "Centrifugal-flow turbojet engines" The following 49 pages are in this category, out of 49 total.
An Overview of Military Jet Engine History, Appendix B, pp. 97–120, in Military Jet Engine Acquisition (Rand Corp., 24 pp, PDF) Basic jet engine tutorial (QuickTime Video) An article on how reaction engine works; The Aircraft Gas Turbine Engine and Its Operation: Installation Engineering. East Hartford, Connecticut: United Aircraft Corporation.