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Optic Diagnostics on Pulverized Coal Particles Combustion Dynamics and Alkali Metal Release Behavior

Af: Ye Yuan Engelsk Hardback

Optic Diagnostics on Pulverized Coal Particles Combustion Dynamics and Alkali Metal Release Behavior

Af: Ye Yuan Engelsk Hardback
Tjek vores konkurrenters priser

This book focuses on pulverized coal particle devolatilization, ignition, alkali metal release behavior, and burnout temperature using several novel optic diagnostic methods on a Hencken multi-flat flame burner. Firstly, it presents a novel multi-filter technique to detect the CH* signal during coal ignition, which can be used to characterize the volatile release and reaction process. It then offers observations on the prevalent transition from heterogeneous ignition to hetero-homogeneous ignition due to ambient temperature based on visible light signal diagnostics. By utilizing the gap between the excitation energies of the gas and particle phases, a new low-intensity laser-induced breakdown spectroscopy (PS-LIBS) is developed to identify the presence of sodium in the particle or gas phase along the combustion process. For the first time, the in-situ verification of the gas phase Na release accompanying coal devolatilization is fulfilled when the ambient temperature is high enough. In fact, particle temperature plays a vital role in the coal burnout process and ash particle formation. The last part of the book uses RGB color pyrometry and the CBK model to study the char particle temperature on a Hencken burner. It offers readers valuable information on the technique of coal ignition and combustion diagnostics as well as coal combustion characteristics.

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This book focuses on pulverized coal particle devolatilization, ignition, alkali metal release behavior, and burnout temperature using several novel optic diagnostic methods on a Hencken multi-flat flame burner. Firstly, it presents a novel multi-filter technique to detect the CH* signal during coal ignition, which can be used to characterize the volatile release and reaction process. It then offers observations on the prevalent transition from heterogeneous ignition to hetero-homogeneous ignition due to ambient temperature based on visible light signal diagnostics. By utilizing the gap between the excitation energies of the gas and particle phases, a new low-intensity laser-induced breakdown spectroscopy (PS-LIBS) is developed to identify the presence of sodium in the particle or gas phase along the combustion process. For the first time, the in-situ verification of the gas phase Na release accompanying coal devolatilization is fulfilled when the ambient temperature is high enough. In fact, particle temperature plays a vital role in the coal burnout process and ash particle formation. The last part of the book uses RGB color pyrometry and the CBK model to study the char particle temperature on a Hencken burner. It offers readers valuable information on the technique of coal ignition and combustion diagnostics as well as coal combustion characteristics.

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Se mere i:
Produktdetaljer
Sprog: Engelsk
Sider: 151
ISBN-13: 9789811048128
Indbinding: Hardback
Udgave:
ISBN-10: 9811048126
Kategori: Materialeprøvning
Udg. Dato: 1 mar 2019
Længde: 0mm
Bredde: 155mm
Højde: 235mm
Forlag: Springer Verlag, Singapore
Oplagsdato: 1 mar 2019
Forfatter(e): Ye Yuan
Forfatter(e) Ye Yuan

Kategori Materialeprøvning

ISBN-13 9789811048128

Sprog Engelsk

Indbinding Hardback

Sider 151

Udgave

Længde 0mm

Bredde 155mm

Højde 235mm

Udg. Dato 1 mar 2019

Oplagsdato 1 mar 2019

Forlag Springer Verlag, Singapore

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