A method for operating a combustion chamber is provided. The method includes obtaining a carbon monoxide reading at an exit of the combustion chamber via a carbon monoxide sensor, and deriving an oxygen set point trim based at least in part on the carbon monoxide reading and a carbon monoxide set point via a controller. The method further includes determining a stability status of the combustion chamber via a combustion stability sensor, and adjusting an oxygen set point of the combustion chamber with the oxygen set point trim based at least in part on the stability status via the controller. The oxygen set point defines a desired oxygen level at the exit of the combustion chamber.

A combustion system includes, burner, a camera, and a control circuit. The burner initiates a combustion reaction. The camera takes a plurality of images of the combustion reaction. The control circuit produces from the images an averaged image and adjusts the combustion reaction based on the adjusted image.

A combustion system includes a perforated flame holder, a camera, and a control circuit. The perforated flame holder sustains a combustion reaction within the perforated flame holder. The image capture device takes a plurality of images of the combustion reaction. The control circuit produces from the images an averaged image and adjusts the combustion reaction based on the adjusted image.

A dark radiator includes a burner, a fan and a radiant tube, wherein the burner is connected to a fuel gas supply, wherein the fan is designed to supply the burner with combustion air, wherein the burner is designed to output a flame into the radiant tube, wherein the fuel gas supply is connected to a hydrogen source as a fuel gas source and has a gas nozzle, and wherein an ignition device is arranged spaced apart from the gas nozzle, without the existence of a flame holder.

Present embodiments are directed to a system and method for generating a flame effect. An embodiment includes a nozzle assembly with an outer nozzle and an inner nozzle. At least a portion of the inner nozzle is nested within at least a portion of the outer nozzle. The system also includes a fuel source with two or more separate types of fuel.

A combustion assembly for a gas turbine engine includes a combustor, a monochromator, and a photodetector assembly. The combustor forms a combustion chamber. The monochromator is disposed outside the combustion chamber. The monochromator is configured to receive an optical input from the combustion chamber and direct an optical output. The optical input has a range of light wavelengths. The optical output has a subset of the range of light wavelengths. The photodetector assembly is disposed outside the combustion chamber. The photodetector assembly is configured to receive the optical output from the monochromator and generate an output signal representative of one or more optical characteristics of the optical output.

A combustion system includes a perforated flame holder, a camera, and a control circuit. The perforated flame holder sustains a combustion reaction within the perforated flame holder. The image capture device takes a plurality of images of the combustion reaction. The control circuit produces from the images an averaged image and adjusts the combustion reaction based on the adjusted image.

A method for operating a combustion chamber is provided. The method includes introducing a fuel into the combustion chamber via a plurality of nozzles, each nozzle having an associated stoichiometry for an output end of the nozzle. The method further includes measuring the stoichiometry of each nozzle via one or more sensors to obtain stoichiometric data, and determining that at least one of a frequency and an amplitude of spectral line fluctuations derived from the stoichiometric data has exceeded a threshold. The method further includes adjusting the stoichiometry of at least one of the nozzles based at least in part on the stoichiometric data so as to maintain a flame stability of the combustion chamber.

Present embodiments are directed to a system and method for generating a flame effect. An embodiment includes a nozzle assembly with an outer nozzle and an inner nozzle. At least a portion of the inner nozzle is nested within at least a portion of the outer nozzle. The system also includes a fuel source with two or more separate types of fuel.

A flame scanner includes a lens barrel assembly defining a generally hollow body having a first end and a second end, and an opening formed in the first end, a lens positioned adjacent to the second end, and a fiber optic cable receivable through the opening in the first end, the fiber optic cable having a distal end. A field of view of the flame scanner is selectively adjustable by varying a position of the distal end of the fiber optic cable with respect to the lens.