Premixed direct injection nozzle for highly reactive fuels

Ziminsky, Willy Steve; Johnson, Thomas Edward; Lacy, Benjamin Paul; York, William David; Uhm, Jong Ho; Zuo, Baifang

Title: Premixed direct injection nozzle for highly reactive fuels

Patent · Tue Sep 24 00:00:00 EDT 2013

OSTI ID:1096763

Ziminsky, Willy Steve; Johnson, Thomas Edward; Lacy, Benjamin Paul; York, William David; Uhm, Jong Ho; Zuo, Baifang

A fuel/air mixing tube for use in a fuel/air mixing tube bundle is provided. The fuel/air mixing tube includes an outer tube wall extending axially along a tube axis between an inlet end and an exit end, the outer tube wall having a thickness extending between an inner tube surface having a inner diameter and an outer tube surface having an outer tube diameter. The tube further includes at least one fuel injection hole having a fuel injection hole diameter extending through the outer tube wall, the fuel injection hole having an injection angle relative to the tube axis. The invention provides good fuel air mixing with low combustion generated NOx and low flow pressure loss translating to a high gas turbine efficiency, that is durable, and resistant to flame holding and flash back.

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Research Organization:: General Electric Co., Schenectady, NY (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC26-05NT42643

Assignee:: General Electric Company (Schenectady, NY)

Patent Number(s):: 8,539,773

Application Number:: 12/365,382

OSTI ID:: 1096763

Country of Publication:: United States

Language:: English

References (58)

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