Laser ignition of combustible gases by radiative heating of small particles
This article summarizes the ignition risks of laser power delivered by optical fiber to combustible atmospheres. Of six possible ignition mechanisms, the ignition of a combustible gas by a small optically heated body has been extensively investigated. Continuous-wave (CW) powers of 100 mW delivered...
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| Veröffentlicht in: | Combustion and flame 1992-12, Vol.91 (3), p.399-412 |
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| container_title | Combustion and flame |
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| creator | Hills, P.C. Zhang, D.K. Samson, P.J. Wall, T.F. |
| description | This article summarizes the ignition risks of laser power delivered by optical fiber to combustible atmospheres. Of six possible ignition mechanisms, the ignition of a combustible gas by a small optically heated body has been extensively investigated. Continuous-wave (CW) powers of 100 mW delivered by multimode optical fibers created explosion in combustible atmospheres. A numerical model of the ignition of a combustile gas by a small heated body on the exposed end of an optical fiber is developed. Important parameters include gas (type and concentration), particle (type, diameter, absorptivity, refractive index, reactivity, thermal capacity, density), optical fiber (core diameter and numerical aperture), and light (wavelength and power). |
| doi_str_mv | 10.1016/0010-2180(92)90066-X |
| format | Article |
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Of six possible ignition mechanisms, the ignition of a combustible gas by a small optically heated body has been extensively investigated. Continuous-wave (CW) powers of 100 mW delivered by multimode optical fibers created explosion in combustible atmospheres. A numerical model of the ignition of a combustile gas by a small heated body on the exposed end of an optical fiber is developed. 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Thermal use of fuels ; Exact sciences and technology ; EXPLOSIONS ; FIBERS ; FLUIDS ; GASES ; HEATING ; IGNITION ; INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ; LASER-RADIATION HEATING ; Miscellaneous ; OPTICAL FIBERS ; OPTICAL PROPERTIES ; PARTICLES ; PHYSICAL PROPERTIES ; PLASMA HEATING ; REFRACTIVITY ; Theoretical studies. Data and constants. 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Of six possible ignition mechanisms, the ignition of a combustible gas by a small optically heated body has been extensively investigated. Continuous-wave (CW) powers of 100 mW delivered by multimode optical fibers created explosion in combustible atmospheres. A numerical model of the ignition of a combustile gas by a small heated body on the exposed end of an optical fiber is developed. Important parameters include gas (type and concentration), particle (type, diameter, absorptivity, refractive index, reactivity, thermal capacity, density), optical fiber (core diameter and numerical aperture), and light (wavelength and power).</description><subject>400800 - Combustion, Pyrolysis, & High-Temperature Chemistry</subject><subject>Applied sciences</subject><subject>Combustion. Flame</subject><subject>CONCENTRATION RATIO</subject><subject>DENSITY</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Exact sciences and technology</subject><subject>EXPLOSIONS</subject><subject>FIBERS</subject><subject>FLUIDS</subject><subject>GASES</subject><subject>HEATING</subject><subject>IGNITION</subject><subject>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</subject><subject>LASER-RADIATION HEATING</subject><subject>Miscellaneous</subject><subject>OPTICAL FIBERS</subject><subject>OPTICAL PROPERTIES</subject><subject>PARTICLES</subject><subject>PHYSICAL PROPERTIES</subject><subject>PLASMA HEATING</subject><subject>REFRACTIVITY</subject><subject>Theoretical studies. Data and constants. 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Flame</topic><topic>CONCENTRATION RATIO</topic><topic>DENSITY</topic><topic>Energy</topic><topic>Energy. Thermal use of fuels</topic><topic>Exact sciences and technology</topic><topic>EXPLOSIONS</topic><topic>FIBERS</topic><topic>FLUIDS</topic><topic>GASES</topic><topic>HEATING</topic><topic>IGNITION</topic><topic>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</topic><topic>LASER-RADIATION HEATING</topic><topic>Miscellaneous</topic><topic>OPTICAL FIBERS</topic><topic>OPTICAL PROPERTIES</topic><topic>PARTICLES</topic><topic>PHYSICAL PROPERTIES</topic><topic>PLASMA HEATING</topic><topic>REFRACTIVITY</topic><topic>Theoretical studies. Data and constants. Metering</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hills, P.C.</creatorcontrib><creatorcontrib>Zhang, D.K.</creatorcontrib><creatorcontrib>Samson, P.J.</creatorcontrib><creatorcontrib>Wall, T.F.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Combustion and flame</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hills, P.C.</au><au>Zhang, D.K.</au><au>Samson, P.J.</au><au>Wall, T.F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Laser ignition of combustible gases by radiative heating of small particles</atitle><jtitle>Combustion and flame</jtitle><date>1992-12-01</date><risdate>1992</risdate><volume>91</volume><issue>3</issue><spage>399</spage><epage>412</epage><pages>399-412</pages><issn>0010-2180</issn><eissn>1556-2921</eissn><coden>CBFMAO</coden><abstract>This article summarizes the ignition risks of laser power delivered by optical fiber to combustible atmospheres. Of six possible ignition mechanisms, the ignition of a combustible gas by a small optically heated body has been extensively investigated. Continuous-wave (CW) powers of 100 mW delivered by multimode optical fibers created explosion in combustible atmospheres. A numerical model of the ignition of a combustile gas by a small heated body on the exposed end of an optical fiber is developed. Important parameters include gas (type and concentration), particle (type, diameter, absorptivity, refractive index, reactivity, thermal capacity, density), optical fiber (core diameter and numerical aperture), and light (wavelength and power).</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><doi>10.1016/0010-2180(92)90066-X</doi><tpages>14</tpages></addata></record> |
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| ispartof | Combustion and flame, 1992-12, Vol.91 (3), p.399-412 |
| issn | 0010-2180 1556-2921 |
| language | eng |
| recordid | cdi_osti_scitechconnect_7179892 |
| source | Elsevier ScienceDirect Journals |
| subjects | 400800 - Combustion, Pyrolysis, & High-Temperature Chemistry Applied sciences Combustion. Flame CONCENTRATION RATIO DENSITY Energy Energy. Thermal use of fuels Exact sciences and technology EXPLOSIONS FIBERS FLUIDS GASES HEATING IGNITION INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY LASER-RADIATION HEATING Miscellaneous OPTICAL FIBERS OPTICAL PROPERTIES PARTICLES PHYSICAL PROPERTIES PLASMA HEATING REFRACTIVITY Theoretical studies. Data and constants. Metering |
| title | Laser ignition of combustible gases by radiative heating of small particles |
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