Physics of Turbulent Jet Ignition

von Sayan Biswas

Mechanisms and Dynamics of Ultra-lean Combustion

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Beschreibung

This book focuses on developing strategies for ultra-lean combustion of natural gas and hydrogen, and contributes to the research on extending the lean flammability limit of hydrogen and air using a hot supersonic jet. The author addresses experimental methods, data analysis techniques, and results throughout each chapter and:

Explains the fundamental mechanisms behind turbulent hot jet ignition using non-dimensional analysis
Explores ignition characteristics by impinging hot jet and multiple jets in relation to better controllability and lean combustion
Explores how different instability modes interact with the acoustic modes of the combustion chamber.

This book provides a potential answer to some of the issues that arise from lean engine operation, such as poor ignition, engine misfire, cycle-to-cycle variability, combustion instability, reduction in efficiency, and an increase in unburned hydrocarbon emissions. This thesis was submitted to and approved by Purdue University.
This book focuses on developing strategies for ultra-lean combustion of natural gas and hydrogen, and contributes to the research on extending the lean flammability limit of hydrogen and air using a hot supersonic jet. The author addresses experimental methods, data analysis techniques, and results throughout each chapter and:

Explains the fundamental mechanisms behind turbulent hot jet ignition using non-dimensional analysis
Explores ignition characteristics by impinging hot jet and multiple jets in relation to better controllability and lean combustion
Explores how different instability modes interact with the acoustic modes of the combustion chamber.

This book provides a potential answer to some of the issues that arise from lean engine operation, such as poor ignition, engine misfire, cycle-to-cycle variability, combustion instability, reduction in efficiency, and an increase in unburned hydrocarbon emissions. This thesis was submitted to and approved by Purdue University.

Explores how to design a safe and reliable gas engine combustor operating at ultra-lean conditions Contains an introduction and background information on emission regulation and penalties, natural gas and hydrogen, and greenhouse emissions Contains chapters on multi-jet ignition, impinging jet ignition, and supersonic jet ignition

Autor*in

Sayan Biswas

Themen in »Physics of Turbulent Jet Ignition«

Greenhouse emissions Emission regulation Natural gas and hydrogen High-speed Schlieren and shadowgraph imaging PIV imaging Data processing parameters Supersonic nozzle designs Turbulence modeling Lean flammability limit and ignition delay Flame propagation process in the pre-chamber Modeling of combustion instability Infrared imaging Radiation intensity

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Details

ISBN: 9783319762432

Verlag: Springer International Publishing

Erscheinung: 03.05.2018