Flashback Mechanisms in Lean Premixed Gas Turbine Combustion

Flashback Mechanisms in Lean Premixed Gas Turbine Combustion

1st Edition - December 1, 2014

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  • Authors: Ali Benim, Khawar Syed
  • eBook ISBN: 9780128008263
  • Paperback ISBN: 9780128007556

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Description

Blending fuels with hydrogen offers the potential to reduce NOx and CO2 emissions in gas turbines, but doing so introduces potential new problems such as flashback.  Flashback can lead to thermal overload and destruction of hardware in the turbine engine, with potentially expensive consequences. The little research on flashback that is available is fragmented. Flashback Mechanisms in Lean Premixed Gas Turbine Combustion by Ali Cemal Benim will address not only the overall issue of the flashback phenomenon, but also the issue of fragmented and incomplete research.

Key Features

  • Presents a coherent review of flame flashback (a classic problem in premixed combustion) and its connection with the growing trend of popularity of more-efficient hydrogen-blend fuels
  • Begins with a brief review of industrial gas turbine combustion technology
  • Covers current environmental and economic motivations for replacing natural gas with hydrogen-blend fuels

Readership

Researchers in the field of combustion technology, developers of gas turbine combustors, and other R&D specialists working in the fields of power generation and mechanical energy engineering.

Table of Contents

    • Author bios
    • Preface
    • Chapter 1: Introduction
      • Abstract
    • Chapter 2: Concepts Related to Combustion and Flow in Premix Burners
      • Abstract
      • 2.1. Laminar premixed flames
      • 2.2. Turbulent premixed flames
      • 2.3. Swirl flow aerodynamics
    • Chapter 3: Properties of Hydrogen-Containing Fuels
      • Abstract
      • 3.1. Flammability limits of hydrogen fuel blends
      • 3.2. Laminar flame speed of hydrogen fuel blends
    • Chapter 4: An Overview of Flashback Mechanisms
      • Abstract
    • Chapter 5: Flashback by Autoignition
      • Abstract
    • Chapter 6: Flashback Due to Combustion Instabilities
      • Abstract
    • Chapter 7: Flashback Due to Turbulent Flame Propagation in the Core Flow
      • Abstract
    • Chapter 8: Flashback Due to Flame Propagation in Boundary Layers
      • Abstract
      • 8.1. Flame propagation in laminar boundary layers
      • 8.2. Flame propagation in turbulent boundary layers
    • Chapter 9: Combustion-Induced Vortex Breakdown–Driven Flashback
      • Abstract
      • 9.1. Flame propagation in vortex tubes and vortex rings
      • 9.2. CIVB in gas turbine combustors
      • 9.3. The role of quenching
    • Chapter 10: Flameholding by Fuel Injection Jets
      • Abstract
      • 10.1. Jet in cross-flow
      • 10.2. Jet flames in cross-flow
    • References
    • Nomenclature

Product details

  • No. of pages: 134
  • Language: English
  • Copyright: © Academic Press 2014
  • Published: December 1, 2014
  • Imprint: Academic Press
  • eBook ISBN: 9780128008263
  • Paperback ISBN: 9780128007556

About the Authors

Ali Benim

Affiliations and Expertise

Professor of Energy Technology, Duesseldorf University of Applied Sciences, Duesseldorf, Germany

Khawar Syed

Affiliations and Expertise

Group Manager of Combustor Technology, Alstom Ltd., Baden, Switzerland

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