Method and arrangement for gas turbine engine surge control

The invention relates to a surge control method for a gas turbine engine (10). The method includes providing a gas turbine engine (10) having a compressor (20), a combustor (30), downstream of the compressor (20), with a hot gas path, a turbine (40) downstream of the combustor (30), with a hot gas p...

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Bibliographische Detailangaben
Hauptverfasser:	Steiger, Ulrich Robert, Studerus, Adrien Franz, Waelchli, René, Jakoby, Ralf
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a surge control method for a gas turbine engine (10). The method includes providing a gas turbine engine (10) having a compressor (20), a combustor (30), downstream of the compressor (20), with a hot gas path, a turbine (40) downstream of the combustor (30), with a hot gas path. The method further includes monitoring the gas turbine engine (10) for a potential surge condition, controlling a blow-off flow from the compressor (20), based on the monitoring for the control purpose of avoiding the surge condition, and directing the blow-off flow to at least one of the hot gas paths so as to bypass at least a portion of the combustor (30).