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Back to: "R"rated thrust
- Definição1
- The amount of thrust the manufacturer of a gas turbine engine guarantees the engine will produce under certain specified conditions.
- Fonte1
- CRANE, Dale (ed.). Dictionary of aeronautical terms. 4th ed. Newcastle: ASA, 2006.
- Fonte2
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. Recommended method for computing noise contours around airports. Montreal, 2008. (Doc. 9911)
- Fonte3
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. Committee on aviation environmental protection: seventh meeting: Montreal 5-16 february 2007: report. Montreal, 2007. (Doc. 9886)
- Nota adicional1
- Aircraft engine specification.
- Nota adicional2
- 1.2.3.6 The current definition of “rated output” included the expression “maximum power/thrust available for take-off” and was not the correct parameter for this purpose. Firstly, the installed power/thrust was not a certificated parameter, as it included deductions from the rated thrust for installation effects, such as nacelle drag and aircraft power requirements. Secondly, where an engine was approved with additional emergency thrust capability, it was not necessary to carry out the testing at this higher thrust. In practice, the certificated (or uninstalled) rated take-off thrust has always been used for emissions certification. Also, as all engines affected by the Annex were turbo-jet or turbofan engines, the output of these engines was always measured in terms of thrust, and “thrust” should be used instead of “output” throughout the Annex. A new definition had therefore been developed.
- Contexto
- For specific maximum component temperatures, the engine thrust falls as the ambient air temperature rises ? and vice versa. This means that there is a critical air temperature above which the rated thrust cannot be achieved. For most modern engines this is called the “flat rated temperature” because, at lower air temperatures the thrust is automatically limited to the rated thrust to maximize service life; regardless, the thrust falls at temperatures above the flat rated temperature, which is often called the break point or break temperature.
- Subárea1
- Engine
- Related Term
- rated output
- Português
- empuxo nominal