Controlling combustion emission parameters using a photodetector
A system and method is provided for controlling combustion emission parameters associated with a gas turbine combustor 104. The system comprises one or more photodetectors 122 in communication with an optical path through a gas turbine exhaust duct 110, one or more light sources 114 operable to prop...
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| creator | MARK WAYNE HOLT WILLIAM HOWARD EBERHARDT YU WANG JAMISON W JANAWITZ PETER MARTIN MALY |
| description | A system and method is provided for controlling combustion emission parameters associated with a gas turbine combustor 104. The system comprises one or more photodetectors 122 in communication with an optical path through a gas turbine exhaust duct 110, one or more light sources 114 operable to propagate light 118 along the optical path to the one or more photodetectors; and a control device 124. The control device controls at least one of the combustion emission parameters based on at least in part on one or more signals from the one or more photodetectors. The optical path comprises at least one input optical port 116 and at least one output optical port 120. The combustion parameters may comprise at least one of; fuel flow rate, fuel flow distribution, airflow rate, water injection rate, combustor balancing, or air /fuel ratio. The one or more light sources comprise one of a quantum cascade laser, a vertical cavity laser, an interband cascade laser, or a tuneable diode laser. |
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The system comprises one or more photodetectors 122 in communication with an optical path through a gas turbine exhaust duct 110, one or more light sources 114 operable to propagate light 118 along the optical path to the one or more photodetectors; and a control device 124. The control device controls at least one of the combustion emission parameters based on at least in part on one or more signals from the one or more photodetectors. The optical path comprises at least one input optical port 116 and at least one output optical port 120. The combustion parameters may comprise at least one of; fuel flow rate, fuel flow distribution, airflow rate, water injection rate, combustor balancing, or air /fuel ratio. 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The system comprises one or more photodetectors 122 in communication with an optical path through a gas turbine exhaust duct 110, one or more light sources 114 operable to propagate light 118 along the optical path to the one or more photodetectors; and a control device 124. The control device controls at least one of the combustion emission parameters based on at least in part on one or more signals from the one or more photodetectors. The optical path comprises at least one input optical port 116 and at least one output optical port 120. The combustion parameters may comprise at least one of; fuel flow rate, fuel flow distribution, airflow rate, water injection rate, combustor balancing, or air /fuel ratio. The one or more light sources comprise one of a quantum cascade laser, a vertical cavity laser, an interband cascade laser, or a tuneable diode laser.</description><subject>AIR INTAKES FOR JET-PROPULSION PLANTS</subject><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>GAS-TURBINE PLANTS</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MEASURING</subject><subject>MECHANICAL ENGINEERING</subject><subject>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</subject><subject>PHYSICS</subject><subject>STEAM ENGINES</subject><subject>TESTING</subject><subject>TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES</subject><subject>TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2011</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHBwzs8rKcrPycnMS1dIzs9NKi0uyczPU0jNzSwuBjEKEosSc1NLUouKFUqLQYoSFQoy8kvyU4BiySX5RTwMrGmJOcWpvFCam0HezTXE2UM3tSA_PrW4IDE5NS-1JN7dycjE3NjcwMDRmLAKAImjMXU</recordid><startdate>20110323</startdate><enddate>20110323</enddate><creator>MARK WAYNE HOLT</creator><creator>WILLIAM HOWARD EBERHARDT</creator><creator>YU WANG</creator><creator>JAMISON W JANAWITZ</creator><creator>PETER MARTIN MALY</creator><scope>EVB</scope></search><sort><creationdate>20110323</creationdate><title>Controlling combustion emission parameters using a photodetector</title><author>MARK WAYNE HOLT ; WILLIAM HOWARD EBERHARDT ; YU WANG ; JAMISON W JANAWITZ ; PETER MARTIN MALY</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_GB2473700A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2011</creationdate><topic>AIR INTAKES FOR JET-PROPULSION PLANTS</topic><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>GAS-TURBINE PLANTS</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MEASURING</topic><topic>MECHANICAL ENGINEERING</topic><topic>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</topic><topic>PHYSICS</topic><topic>STEAM ENGINES</topic><topic>TESTING</topic><topic>TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES</topic><topic>TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>MARK WAYNE HOLT</creatorcontrib><creatorcontrib>WILLIAM HOWARD EBERHARDT</creatorcontrib><creatorcontrib>YU WANG</creatorcontrib><creatorcontrib>JAMISON W JANAWITZ</creatorcontrib><creatorcontrib>PETER MARTIN MALY</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MARK WAYNE HOLT</au><au>WILLIAM HOWARD EBERHARDT</au><au>YU WANG</au><au>JAMISON W JANAWITZ</au><au>PETER MARTIN MALY</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Controlling combustion emission parameters using a photodetector</title><date>2011-03-23</date><risdate>2011</risdate><abstract>A system and method is provided for controlling combustion emission parameters associated with a gas turbine combustor 104. 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| subjects | AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MEASURING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PHYSICS STEAM ENGINES TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR WEAPONS |
| title | Controlling combustion emission parameters using a photodetector |
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