FIELD: technology of using coherent jets. SUBSTANCE: method includes: (A) - delivery of main gas in main gas flow during consumption of main gas, delivery of gaseous fuel at first consumption of gaseous fuel and burning gaseous fuel with oxidizer for forming envelope of flame coaxial to flow of main gas for forming coherent jet having first length; then, the following steps are taken: (B) delivery of main gas in flow of main gas at consumption of main gas, delivery of gaseous fuel at second consumption of gaseous fuel which differs from first consumption of gaseous fuel and burning gaseous fuel with oxidizer for forming envelope of flame coaxial to flow to flow of main gas for producing coherent jet having second length which differs from first length. EFFECT: possibility of changing length of coherent jet with no change in equipment used for producing such jet and with no change of any parameter of gas producing coherent jet, for example its consumption. 10 cl, 5 dwg
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Authors
Dates
2002-09-20—Published
2000-09-01—Filed