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RISExperimental Investigation of the Flow Field and the Heat Transfer on a Scaled Cooled Combustor Liner With Realistic Swirling Flow Generated by a Lean Burn Injection System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Leanburn swirl stabilized combustors represent the key technology to reduce NOx emissions in modern aircraft engines. The high amount of air admitted through a leanburn injection system is characterized by very complex ...
Experimental and Theoretical Investigation of Thermal Effectiveness in Multiperforated Plates for Combustor Liner Effusion Cooling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Stateoftheart liner cooling technology for modern combustors is represented by effusion cooling (or fullcoverage film cooling). Effusion is a very efficient cooling strategy based on the use of multiperforated liners, where ...
Effect of Slot Injection and Effusion Array on the Liner Heat Transfer Coefficient of a Scaled Lean Burn Combustor With Representative Swirling Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: International standards regarding polluting emissions from civil aircraft engines are becoming gradually even more stringent. Nowadays, the most prominent way to meet the target of reducing NOx emissions in modern aeroengine ...
Impact of Swirl Flow on Combustor Liner Heat Transfer and Cooling: A Numerical Investigation With Hybrid Reynolds Averaged Navier–Stokes Large Eddy Simulation Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper reports the main findings of a numerical investigation aimed at characterizing the flow field and the wall heat transfer resulting from the interaction of a swirling flow provided by leanburn injectors and a ...
Local Source Based CFD Modeling of Effusion Cooling Holes: Validation and Application to an Actual Combustor Test Case
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Stateoftheart liner cooling technology for modern combustion chambers is represented by effusion cooling (or fullcoverage film cooling). Effusion is a very efficient cooling strategy typically based on the use of several ...
Investigation on the Effect of a Realistic Flow Field on the Adiabatic Effectiveness of an Effusion Cooled Combustor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Effusion cooling represents the state of the art of liner cooling technology for modern combustors. This technique consists of an array of closely spaced discrete film cooling holes and contributes to lower the metal ...
Adiabatic Effectiveness and Flow Field Measurements in a Realistic Effusion Cooled Lean Burn Combustor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Over the last ten years, there have been significant technological advances toward the reduction of NOx emissions from civil aircraft engines, strongly aimed at meeting stricter and stricter legislation requirements. ...