FLAME HOLDING DEVICE AND ENGINE

To provide a laser flame holding device that can relax a flow rate reduction action of a combustion gas more than before.SOLUTION: A flame holding device includes light irradiation means 5c, 9b for irradiating a flame formed in a combustion field 5a with a laser beam. The light irradiation means 5c,...

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Bibliographische Detailangaben
Hauptverfasser:	ITO MITSUNORI, NAGAO TAKAO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION APPARATUS COMBUSTION ENGINES COMBUSTION PROCESSES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS EXTINGUISHING-DEVICES GAS-TURBINE PLANTS GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS IGNITION LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	To provide a laser flame holding device that can relax a flow rate reduction action of a combustion gas more than before.SOLUTION: A flame holding device includes light irradiation means 5c, 9b for irradiating a flame formed in a combustion field 5a with a laser beam. The light irradiation means 5c, 9b include a light condensing optical system for condensing a laser beam at a flame. When a flame is formed in multiple places in the combustion field 5a, the light irradiation means 5c, 9b irradiate the flames in the multiple places with a laser beam respectively. The light condensing optical system is installed for each of the flames in the multiple places.SELECTED DRAWING: Figure 2 【課題】燃焼ガスの流速低減作用を従来よりも緩和することが可能なレーザ保炎装置を提供する。【解決手段】燃焼場５ａに形成された火炎にレーザ光を照射する光照射手段５ｃ，９ｂを備え、当該光照射手段５ｃ，９ｂは、レーザ光を火炎に集光させる集光光学系を備える。さらに、火炎が燃焼場５ａの複数ヶ所に形成される場合、レーザ照射器５ｃ．９ｂは、複数ヶ所の火炎にレーザ光をそれぞれ照射し、集光光学系は、複数ヶ所の火炎毎に設けられる。【選択図】図２