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What are the advantages of free turbine engine over gas turbine engine?
Wiki User
∙ 13y ago
A gas turbine engine will usually yield more power by weight than a piston engine. Main downside is that it can't be throttled very well. Energy efficiency isn't all that good to start with, and will drop right down if it has to be operated outside its optimum range.
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoA free turbine engine is a type of gas turbine engine, where the power turbine and the gas producer turbine are not connected by a solid shaft
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What is interlocks in steam turbine?
Interlock system is in turbine for protect the turbine. different types of interlocks in turbine 1. high vibration, 2. Bearing oil Temp,3. vacuum related, 4. over speed, 5. differential expansion, 6. casing expansion, 7. lube oil header Pressure. 8. Axil shift. etc... . this interlocks is keep the turbine in safe mode in any abnormalities.
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It is used as a compressor. It has the same advantages over a piston compressor as a gas turbine engine has over a piston engine. i.e. no valves, much lower part count and much greater efficiency.
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Some CT based generators have 2 gas turbines, axially in-line, with a double ended generator/alternator centered between them. The Pratt & Whitney model calls this a Twin-Pac. In this arrangement one Free Turbine requires a clockwise rotation, and the other Free Turbine requires a counter-clockwise rotation. Both may be coupled directly to the generator or via an over-running clutch for synchronous condenser operations.
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What is the function of Gas Turbine Generator?
Gas turbines are engines. Gas turbines, turboprops and turboshafts all work similarly--the engine turns a fan; the air coming off the engine's fan turns another fan, which is connected to a shaft that does the work you bought the engine to do. In fact, the most popular turboprop engine--Pratt & Whitney's PT-6--is also available set up as a turboshaft or a gas turbine. The gas turbine has a few advantages over the diesel engine. First, it's lightweight. General Electric will sell you a 33,000 horsepower gas turbine that weighs 10,000 pounds; Pielstick will sell you a 7000 horsepower diesel that weighs 70,000 pounds. Second, it's very reliable. And third, it can run on many kinds of fuel. Gas turbines own the natural gas pumping industry because they'll run on natural gas, which is right there--just run a little pipe from the gas main to the fuel control on the engine, and you're in business. The disadvantage of a gas turbine is it won't speed up very quickly. If you have a ship with a gas turbine in it, that's not a big problem--ships accelerate slowly no matter what kind of engine they have, just because they're big and have to push water out of the way. If you're pumping natural gas you don't care about acceleration at all--the engine is always going to run at the same speed. But this slow acceleration is one of the reasons they're not good car engines. (The major reason they're not good in cars is if you don't know how to start a turbine engine you'll destroy it; gasoline engines are much more difficult to harm that way.)
What is two advantages of a four stroke cycle engine over a two stroke cycle engine?
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