Burners TRIZ Cases

A dual-fuel burner maintains flameless oxidation by mixing hot exhaust with recirculating gases.

Intermixing hydrogen-rich and carbon-based fuels achieves 30-70% CO2 retention without new burner technologies.

High-pressure gas injection refines fuel atomization, resolving insufficient chamber pressure that causes incomplete combustion.

Segmented liquid passages and convergent-divergent nozzles reduce NOx emissions while maintaining circumferential uniformity.

A multifuel gas turbine combustor uses a supplemental burner to ignite hydrogen-rich fuel downstream of the main hydrocarbon stage.

Helical fuel passages mitigate gravitational effects at low flow rates, ensuring uniform temperature distribution and reduced emissions.

Support projections on the mounting base prevent relative movements and material deformation under heavy vibration loads.

A hybrid air blast fuel nozzle combines pressure atomization with air blast secondary injection to optimize combustion efficiency.

Crimped retaining lip and O-ring seal secure ceramic inserts against thermal expansion leakage.

Conical orifice geometry expands fuel volume to reduce stagnation and coke formation during intermittent multipoint circuit operation.

Replacing brazed joints with electron beam welds eliminates material sacrifice, enabling repeated reconditioning cycles for gas turbine fuel nozzles.

Helically engaging arc adjustment and axial flow control valves resolve irrigation inefficiency by enabling tool-free, independent water distribution tuning.

Prevaporizing combustor vaporizes liquid fuel using compressed air, while ejector cooling uses exhaust energy to cool the generator.

Angled injection holes prevent flashback and reduce NOx emissions in gas turbines.

A carburetor trimming element adjusts the stoichiometric ratio via a movable stem obstructing air openings, resolving adaptability versus complexity.

Swirling gas passages create rotational flow that enhances mixing efficiency for low fluid quantities while an annular gap defines outer gas paths.

Internal flow passages in mounting pins route steam from a reservoir to the combustion zone, enabling precise placement control while reducing NOx emissions.

A mechanical atomizer spray plate uses radially extending elongated protrusions to define venturi inlets that accelerate fluid velocity toward a swirl chamber.

Perforated mixing tubes in a secondary fuel injector improve fuel-gas homogeneity, resolving low mixing efficiency trade-offs.

External metering pump and vortex tube cooler prevent sedimentation on gun components during quick-drying coating application.

Staged fuel injection generates a lean premixed gas with uniform concentration distribution to suppress NOx emissions.

Convergent reservoir geometry improves robot agility and reduces paint loss in hard-to-reach areas.

Clevis joint decouples metallic swirler from CMC dome, accommodating thermal expansion differences without inducing structural stress.

Compressed cellulose block and gas-permeable lid prevent leakage of flammable propellants in tilted positions.

Segmenting the coating apparatus into a detachable head and body allows maintenance without removing the unit from the robot arm.

Radial vane swirlers control wake thickness and reduce weight while increasing mass flow rate to lower NOx emissions in gas turbine engines.

An air curtain between diffusion and premixed sections maintains combustion stability at low loads while reducing NOx emissions.

Vacuum control ducts divert air between concentric passages, eliminating complex valves and reducing engine weight.

A fuel nozzle cooling circuit manages thermal stress within the nozzle body walls.

A coaxial combustor nozzle assembly uses stratified fuel injection to enhance mixing and flame stability.

Tilting lugs on the spool assembly maintain a tilted orientation, preventing stalling and eliminating the donut effect for uniform watering.

Orifices situated between swirler vanes reduce turbulence and coke deposition, ensuring smoother air-fuel mixing.

Circumferential clearance variations on the air hole plate prevent flame adhesion to outlets, ensuring stable combustion and reducing NOx emissions.

Spiral ribs extract water and air from a viscous damping chamber to maintain consistent fluid viscosity and prevent distributor over-spinning.

Direct contact heat exchangers cool high-temperature oxy-fuel flue gas, separating condensable pollutants and reducing NOx emissions.

A sequential combustor generates hybrid flames by combining diffusion and premix modes in the first stage to optimize fuel distribution.

Irregular peripheral fuel staging disrupts circumferential modes to suppress high-frequency vibrations and limit operating range constraints.

A monolithic fuel injector nozzle decouples flow performance from surface roughness, enabling additive manufacturing of complex internal geometries.

A swirler ferrule plate uses oxidizer purge passages with increasing cross-sectional areas to induce pressure drops and reduce purge flow velocity.

Vortex tip stator vanes create swirling flow to mix fuel with working fluid, reducing hydrocarbon and NOx emissions in gas turbine burners.

Aluminum oxide coatings prevent iron sulphide clogging in fuel burners, reducing maintenance costs.

A gas needle creates a reduced pressure area to atomize viscous fuels, resolving low efficiency and high energy consumption.

Variable slot widths in the swirl chamber optimize oxidizer distribution, resolving the trade-off between structural simplicity and mixing efficiency.

A twin-fluid atomizer head uses a copper alloy core and steel cooling jacket to dissipate heat from high-pressure combustion zones.

Annular cavity insulation shields multipoint fuel orifices from thermal radiation in turbine engines.

Segmented chambers with a venturi throat reduce thermal nitrogen oxide emissions below 5 ppm while maintaining carbon monoxide oxidation efficiency.

Dual air circuits shield the fuel circuit from exhaust heat and atomize liquid fuel, reducing carbon fouling and extending injector lifespan.

A burner windbreak device reduces fluid flow speed around the heating portion to protect the ignition zone.

A measurement apparatus determines real molar heating value using stoichiometric oxidation ratios and primary hydrocarbon concentrations.

Independent fuel circuits in a gas turbine combustor reduce NOx emissions by controlling local flame temperatures.