gtbigas turbines - دانشگاه صنعتی خواجه...

Lecture 5

G T biGas Turbines

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Gas Turbine Characteristics - IGas Turbine Characteristics I

Standard frame sizes Standard frame sizes Size range 250 kW to 250 + MW

Mi t bi 25 kW t 500 kW Micro-turbines range 25 kW to 500 kW Electrical efficiency 20 - 40% (increasing to 50% with

l d t bi bl d )cooled turbine blades) Expander inlet temperature 800 - 1300OC (increasing

t 1400 OC ith l d t bi bl d )to 1400+OC with cooled turbine blades) Exhaust temperature 450 - 600OC

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Gas Turbine Characteristics -II Fuels: Fuels:- Natural gas, methane, propane, etc

Li ht f l il- Light fuel oils- Syngas from processes, e.g. coke and blast

ffurnace gas

Fuels need to be at high pressure

Fuels must not have any particulates

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Modelling Gas Turbine Performanceg

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What about the emissions ?What about the emissions ?

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