Burning Flame Slot
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1. A method of combustion comprising the steps of:
introducing a fuel into a burner manifold having at least one elongated port at a rate of about 5,000 BTUH to about 30,000 BTUH per square inch of port area, the at least one elongated port having a length to width aspect ratio greater than about 10 to 1;
introducing from about 0 to about 30 percent by volume of combustion air into the burner manifold, producing a fuel/air mixture; and
combusting said fuel/air mixture passing through the at least one elongated port, said fuel/air mixture leaving said at least one elongated port having a Froude Number in the range of about 0.05 to 4.0.
2. A method according to claim 1 wherein the enclosure has a plurality of elongated ports.
3. A method according to claim 2 wherein the plurality of elongated ports form a plurality of rows of elongated ports, and the elongated ports in a respective row are positioned generally end-to-end.
4. A method according to claim 3 wherein the plurality of rows are generally parallel with respect to each other.
5. A method according to claim 4 wherein one of the plurality of rows is positioned at a distance of less than about 1 inch from another of the plurality of rows.
6. A method according to claim 4 wherein the elongated slots of one of the rows is in a staggered relationship with the elongated slots of an adjacent row.
7. A method according to claim 1 wherein from about 5 percent to about 20 percent by volume of combustion air is introduced into the burner manifold.
8. A method according to claim 1 wherein the at least one elongated port has a width of about 0.005 inches to about 0.15 inches.
9. A gaseous fuel fireplace burner comprising:
a burner manifold having at least one elongated port having a length to width aspect ratio exceeding about 10:1 and being port loadable in a range of about 5,000 BTUH per square inch to 30,000 BTUH per square inch of port area and passing a volume percentage of combustion air in a range of 0 percent to about 30 percent of a stoichiometric requirement for complete combustion of a gaseous fuel, whereby a fuel/air mixture passing through said at least one elongated port has a Froude Number in a range of about 0.05 to 4.0.
10. A gaseous fuel fireplace burner according to claim 9 wherein the burner manifold comprises a plurality of elongated ports.
11. A gaseous fuel fireplace burner according to claim 10 wherein the plurality of elongated ports form a plurality of rows of elongated ports, and the elongated ports in a respective row are positioned generally end-to-end.
12. A gaseous fuel fireplace burner according to claim 11 wherein one of the plurality of rows is positioned at a distance of less than about 1 inch from another of the plurality of rows.
13. A gaseous fuel fireplace burner according to claim 11 wherein the elongated ports of one of the rows is in a staggered relationship with the elongated ports of an adjacent row.
Burning Flame Slot Machine
