variable pitch fan造句

例句与造句

1. The variable pitch fan will facilitate low pressure ratio fan operability.
2. An alternative solution is to fit a variable pitch fan.
3. :: I found a document Consider Variable Pitch Fans which explains their design.
4. Variable Pitch Fans are also used in some other applications, such as industrial.
5. A geared, variable pitch fan, replaced the first stage of the low pressure ( LP ) compressor.
6. It's difficult to find variable pitch fan in a sentence. 用variable pitch fan造句挺难的
7. A variable pitch fan is enclosed in the aft fuselage section immediately forward of the tail boom and driven by the main rotor transmission.
8. A variable pitch fan is enclosed in the aft fuselage section immediately forward of the tail boom and is driven by the main rotor transmission.
9. A variable pitch fan cooled the engine; the heated air and engine exhaust passed through the long hollow tail boom and exhausted to port.
10. The "'Variable Pitch Fan "'is a mechanism used to vary the fan pitch similar to that of a variable-pitch propeller.
11. Next is the UltraFan, which could be ready for service from 2025, a geared turbofan with a variable pitch fan system, promising at least 25 % improvement in fuel burn.
12. In the 1970s, Rolls-Royce / SNECMA tested a M45SD-02 turbofan fitted with variable pitch fan blades to improve handling at ultra low fan pressure ratios and to provide thrust reverse down to zero aircraft speed.
13. There are two different ways around the fan surge margin problem highlighted above : 1 ) Incorporate a variable area cold nozzle, possibly integrating it into the thrust reverser; 2 ) Specify a variable pitch fan, which may also provide a reverse thrust capability.