Flashback detector for combustor of gas turbine
The photodetectors (14a-14e) are connected to the test region of the fuel nozzles (12a-12e) by the fiber optic elements (24a-24e). The flame of the fuel nozzles is detected by the photodetectors through the fiber optical elements that have an optical fiber with 100-200 mm diameter. A processor (20)...
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| creator | BROWN DALE MARIUS DAUM WOLFGANG SHU EMILY YIXIE LOVETT JEFFERY ALLAN PETRUCCO LOUIS JACOB DUNKI-JACOBS ROBERT JOHN |
| description | The photodetectors (14a-14e) are connected to the test region of the fuel nozzles (12a-12e) by the fiber optic elements (24a-24e). The flame of the fuel nozzles is detected by the photodetectors through the fiber optical elements that have an optical fiber with 100-200 mm diameter. A processor (20) receives the signals and detects flashback in combustor. Each optical fiber element has a cylindrical bullet tip through which the optical fiber is extended. A capillary sleeve is arranged around the optical fiber. A decimator of the processor integrates selected number of digital signal to form sample data. The false alarm is prevented using the correlated sample data obtained by correlating sample data with fixed step response. The photodetector is made up of material selected from silicon, gallium arsenide, silicon carbide, germanium, gallium nitride, gallium phosphide. |
| format | Patent |
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The flame of the fuel nozzles is detected by the photodetectors through the fiber optical elements that have an optical fiber with 100-200 mm diameter. A processor (20) receives the signals and detects flashback in combustor. Each optical fiber element has a cylindrical bullet tip through which the optical fiber is extended. A capillary sleeve is arranged around the optical fiber. A decimator of the processor integrates selected number of digital signal to form sample data. The false alarm is prevented using the correlated sample data obtained by correlating sample data with fixed step response. The photodetector is made up of material selected from silicon, gallium arsenide, silicon carbide, germanium, gallium nitride, gallium phosphide.</description><edition>4</edition><language>eng ; ita</language><subject>BLASTING ; COMBUSTION ENGINES ; COMBUSTION ENGINES IN GENERAL ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; INTERNAL-COMBUSTION PISTON ENGINES ; LIGHTING ; MECHANICAL ENGINEERING ; WEAPONS</subject><creationdate>1999</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990802&DB=EPODOC&CC=IT&NR=1296911B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990802&DB=EPODOC&CC=IT&NR=1296911B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BROWN DALE MARIUS</creatorcontrib><creatorcontrib>DAUM WOLFGANG</creatorcontrib><creatorcontrib>SHU EMILY YIXIE</creatorcontrib><creatorcontrib>LOVETT JEFFERY ALLAN</creatorcontrib><creatorcontrib>PETRUCCO LOUIS JACOB</creatorcontrib><creatorcontrib>DUNKI-JACOBS ROBERT JOHN</creatorcontrib><title>Flashback detector for combustor of gas turbine</title><description>The photodetectors (14a-14e) are connected to the test region of the fuel nozzles (12a-12e) by the fiber optic elements (24a-24e). The flame of the fuel nozzles is detected by the photodetectors through the fiber optical elements that have an optical fiber with 100-200 mm diameter. A processor (20) receives the signals and detects flashback in combustor. Each optical fiber element has a cylindrical bullet tip through which the optical fiber is extended. A capillary sleeve is arranged around the optical fiber. A decimator of the processor integrates selected number of digital signal to form sample data. The false alarm is prevented using the correlated sample data obtained by correlating sample data with fixed step response. 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The flame of the fuel nozzles is detected by the photodetectors through the fiber optical elements that have an optical fiber with 100-200 mm diameter. A processor (20) receives the signals and detects flashback in combustor. Each optical fiber element has a cylindrical bullet tip through which the optical fiber is extended. A capillary sleeve is arranged around the optical fiber. A decimator of the processor integrates selected number of digital signal to form sample data. The false alarm is prevented using the correlated sample data obtained by correlating sample data with fixed step response. The photodetector is made up of material selected from silicon, gallium arsenide, silicon carbide, germanium, gallium nitride, gallium phosphide.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; ita |
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| subjects | BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING WEAPONS |
| title | Flashback detector for combustor of gas turbine |
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