Influence of air distribution on combustion characteristics of a micro gas turbine fuelled by hydrogen-doped methane

Lu, Jin; Fu, Zaiguo; Liu, Jiang; Pan, Weiguo

doi:10.1016/j.egyr.2021.11.027

Cited by 14 publications

(2 citation statements)

References 6 publications

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“…However, the addition of hydrogen gas increases the flame propagation speed, causing the flame to propagate upstream toward the burner, leading to the occurrence of a dangerous phenomenon known as backfire. Lu et al 15 conducted numerical simulations to analyze the effect of gas flow distribution on pollutant emissions from gas turbines using hydrogen-doped natural gas. Their findings indicated that the NO X concentration gradually increased when the hydrogen doping ratio was below 40%.…”

Section: Introductionmentioning

confidence: 99%

Investigation on the Combustion Characteristics and Environmental Effects of Hydrogen-doped Natural Gas for Domestic Water Heaters

Chen,

Long,

Niu

et al. 2023

ACS Omega

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The addition of hydrogen to natural gas is an effective approach to broaden the range of applications for hydrogen and address the issue of global warming. However, the inclusion of hydrogen alters the combustion properties of natural gas. The paper established a simplified mechanism consisting of 19 components and a 67-step reaction for hydrogen-doped natural gas combustion. With this simplified mechanism, the effects of hydrogen doping and the utilization of porous media combustion techniques on the combustion characteristics of natural gas were investigated numerically. The results suggested that the utilization of porous media combustion technology is beneficial for achieving the complete combustion of hydrogen-doped natural gas and reducing pollutant emissions. Additionally, the total gas cost and environmental impact of domestic gas water heaters with hydrogen-doping natural gas were estimated. The findings show that the use of 20% hydrogen-doped natural gas contributes to a decrement in fuel costs and reduced emissions of CO by 25.4%, NO X by 53.9%, and CO 2 by 6.78%.

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Section: Introductionmentioning

confidence: 99%

Investigation on the Combustion Characteristics and Environmental Effects of Hydrogen-doped Natural Gas for Domestic Water Heaters

Chen,

Long,

Niu

et al. 2023

ACS Omega

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“…Reale F. et al [8] investigated the combustion efficiency and the greenhouse gas emission for a small gas turbine fueled with methane-hydrogen mixtures containing up to 10% of hydrogen and emphasized the advantages and disadvantages of enriching the gaseous fuel mixture with hydrogen. In the same scope, Lu J. et al [9] evaluated the combustion characteristics of a micro gas turbine fueled by a methane-hydrogen mixture, referring in particular to the manner in which the air supply is made and the combined effect on atmospheric emissions. Going to a smaller scale regarding the combustion process of mixtures between natural gas and hydrogen, it must be stressed their applicability in small wall-mounted or in larger boilers, these being one of the most used equipment for heating individual homes at the level of the European Union and in particular in Romania.…”

Section: Introductionmentioning

confidence: 99%

The Direct Effect of Enriching the Gaseous Combustible with 23% Hydrogen in Condensing Boilers’ Operation

Calotă¹,

Antonescu²,

Stănescu³

et al. 2022

Preprint

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Following the international trend of using hydrogen as combustible in many industry branches, this paper investigates the impact of mixing methane gas with 23% hydrogen (G222) on condensing boilers’ operation. After modeling and testing several boilers with heat exchange surface different designs, the authors gathered enough information to introduce a new concept, namely High-Performance Condensing Boiler (HPCB). All the boilers that fit into this approach have the same operational parameters at nominal heat load, including the CO2 concentrations in flue gases. After testing a flattened pipes condensing boiler, a CO2 emission reduction coefficient of 1.1 was determined, when converting from methane gas to G222 as combustible. Thus, by inserting into the national grid a G222 mixture, an important reduction in greenhouse gases can be achieved. For a 28 kW condensing boiler the annual reduction in CO2 emissions averages 1.26 tons, value which was experimentally obtained and is consistent with the theoretical evaluation.

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Low-carbon operation of integrated electricity–gas system with hydrogen injection considering hydrogen mixed gas turbine and laddered carbon trading

Gao,

Wang,

Sun

et al. 2024

Applied Energy

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Influence of air distribution on combustion characteristics of a micro gas turbine fuelled by hydrogen-doped methane

Cited by 14 publications

References 6 publications

Investigation on the Combustion Characteristics and Environmental Effects of Hydrogen-doped Natural Gas for Domestic Water Heaters

Investigation on the Combustion Characteristics and Environmental Effects of Hydrogen-doped Natural Gas for Domestic Water Heaters

The Direct Effect of Enriching the Gaseous Combustible with 23% Hydrogen in Condensing Boilers’ Operation

Low-carbon operation of integrated electricity–gas system with hydrogen injection considering hydrogen mixed gas turbine and laddered carbon trading

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