02.09.2014 Views

Septimus van der Linden, Brulin Associates, L.L.C. - Gas/Electric ...

Septimus van der Linden, Brulin Associates, L.L.C. - Gas/Electric ...

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What has changed?<br />

• Demand for higher efficiency drives higher firing<br />

temperatures and emissions control become more<br />

critical.<br />

• DLN combustors operate in a very narrow stability band<br />

of lean combustion—instability induces pulsations<br />

• Sudden change in fuel calorific value-ambient temp.<br />

swings or operating load conditions trigger high<br />

pulsations.<br />

• If not suppressed in a relatively short period<br />

consi<strong>der</strong>able damage to GT components will occur

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