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research-article

EXPERIMENTAL AND NUMERICAL INVESTIGATIONS OF NOVEL NATURAL GAS LOW NOX BURNERS FOR HEAVY DUTY GAS TURBINE

[+] Author and Article Information
Matteo Cerutti

Baker Hughes, a GE company (BHGE), Florence, Italy
matteo.cerutti@bhge.com

Giovanni Riccio

Baker Hughes, a GE company (BHGE), Florence, Italy
giovanni.riccio@bhge.com

Antonio Andreini

Department of Industrial Engineering (DIEF), University of Florence, Florence, Italy
antonio.andreini@htc.de.unifi.it

Riccardo Becchi

Department of Industrial Engineering (DIEF), University of Florence, Florence, Italy
riccardo.becchi@htc.de.unifi.it

Dr. Bruno Facchini

Department of Industrial Engineering (DIEF), University of Florence, Florence, Italy
bruno.facchini@htc.de.unifi.it

Alessio Picchi

Department of Industrial Engineering (DIEF), University of Florence, Florence, Italy
alessio.picchi@htc.de.unifi.it

1Corresponding author.

ASME doi:10.1115/1.4040814 History: Received June 25, 2018; Revised June 29, 2018

Abstract

A novel dry low-NOx gas turbine technology requires well balanced assessments since the early development phases. The weak knowledge of often conflicting aspects, such as operability and manufacturability, make any roadmap difficult to be drawn. The introduction of innovative manufacturing technologies such as the Direct Metal Laser Sintering (DMLS) process allows rapid manufacturing of components and test them in dedicated facilities to support real-time development of new products. The use of such a manufacturing process allows the adoption of designed experiments based development strategies, which are still uncommon at industrial level, due to the reduced time from drawings to test. The paper describes a reactive test campaign performed by BHGE in cooperation with University of Florence, aimed at the exploration of capabilities of different innovative burners in terms of pollutant emissions containment and blow-out margin. The burner development was supported by CFD investigations with the purpose to have a detailed understating of the flow-field and flame structure and to perform a preliminary screening to select the most promising solutions for the testing phase. The post process of the experimental results has allowed to correlate the main design parameters to burner performance variables discovering possible two-fold optimizations in terms of emissions and operability.

Copyright (c) 2018 by ASME
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