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Combustion mechanism development and CFD simulation for the prediction of soot emission during flaring

Anan Wang,Helen H. Lou,Daniel Chen,Anfeng Yu,Wenyi Dang,Xianchang Li,Christopher Martin,Vijaya Damodara,Ajit Patki

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 4,   Pages 459-471 doi: 10.1007/s11705-016-1594-y

Abstract: How to simultaneously achieve high combustion efficiency (CE) and low soot emission is an important issueSoot emissions are influenced by many factors.to determine the optimal operating window for the flare, different combustion mechanisms related to sootA new combustion mechanism (Vsoot) for predicting soot emissions was developed and validated against

Keywords： flare     soot emission     combustion mechanism     CFD simulation    

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Air pollutant control and strategy in coal-fired power industry for promotion of China’s emission reduction

Weiliang WANG, Bo LI, Xuan YAO, Junfu LYU, Weidou NI

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 307-316 doi: 10.1007/s11708-019-0620-4

Abstract: Based on a brief review of the development of emission control in China’s coal-fired power industry,the affecting mechanism among the development of installed capacities of emission control device, pollutantemission, and emission performances in coal-fired power industry is studied.It is found that, coal-fired power industry has contributed the most to China’s emission reduction, andThen some development strategies are suggested, such as maintaining the current emission standard in

Keywords： coal-fired power industry     energy intensive industries     pollutant emission control     NOx     SO2     soot    

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Effect of heat transfer space non-uniformity of combustion chamber components on in-cylinder heat transfer in diesel engine

Jizu LV, Minli BAI, Long ZHOU, Jian ZHOU,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 392-401 doi: 10.1007/s11708-009-0066-1

Abstract: Combustion chamber components (cylinder head-cylinder liner-piston assembly-oil film) were treated as a coupled body. Based on the three-dimensional numerical simulation of the heat transfer of the coupled body, a coupled three-dimensional calculation model for the in-cylinder working process and the combustion chamber components was built with domain decomposition and boundary coupling method, which adopts the coupled three-dimensional simulation of in-cylinder working process and the combustion chamber components. The model was applied in the investigation of the influence of space non-uniformity in heat transfer among combustion chamber components on in-cylinder heat transfer. The results show that the effect of wall temperature space non-uniform distribution of combustion chamber components on heat transfer happens mainly at the end of the compression stroke and expansion stroke. Therefore, it can be concluded that wall temperature space non-uniform distribution of combustion chamber components would influence heat transfer during the intake and exhaust stroke obviously.

Keywords： heat transfer     space non-uniformity     soot emission     in-cylinder     diesel    

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Nongray radiation from gas and soot mixtures in planar plates based on statistical narrow-band spectral

Huaqiang CHU, Qiang CHENG, Huaichun ZHOU, Fengshan LIU

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 149-158 doi: 10.1007/s11708-010-0124-8

Abstract: intensity distribution and the ray-tracing method, a comprehensive investigation of the influence of sooton nongray radiation from mixtures containing H O/N +soot, CO /N +soot, or H O/CO /N +soot was conductedIn combustion applications, radiation transfer is significantly enhanced by soot due to its spectrallycontinuous emission.The effect of soot was significant and became increasingly drastic with the increase of soot loading.

Keywords： soot     combustion     SNB model     nongray radiation    

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Nanostructure and reactivity of soot from biofuel 2,5-dimethylfuran pyrolysis with CO

Lijie ZHANG, Kaixuan YANG, Rui ZHAO, Mingfei CHEN, Yaoyao YING, Dong LIU

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 292-306 doi: 10.1007/s11708-020-0658-3

Abstract: This paper investigated the nanostructure and oxidation reactivity of soot generated from biofuel 2,5Different soot samples were collected in the tail of the tube.With the increase of temperature, the soot showed a smaller mean particle diameter, a longer fringe lengthHowever, the variation of soot nanostructures resulting from different CO additions was not linear.Compared with 0%, 50%, and 100% CO additions at one fixed temperature, the soot collected from the 10%

Keywords： 2     5-dimethylfuran pyrolysis     soot     CO2 addition     nanostructure     reactivity    

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Soot size distribution in lightly sooting premixed flames of benzene and toluene

Wang LIU, Jiaqi ZHAI, Baiyang LIN, He LIN, Dong HAN

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 18-26 doi: 10.1007/s11708-020-0663-6

Abstract: The evolution of particle size distribution function (PSDF) of soot in premixed flames of benzene andIt was observed that soot nucleation and particle growth in the benzene flame were stronger than those

Keywords： premixed flame     soot     particle size distribution function     benzene     toluene    

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A new prediction method of industrial atmospheric pollutant emission intensity based on pollutant emission

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 1, doi: 10.1007/s11783-023-1608-1

Abstract:

● Established a quantification method of pollutant emission standard

Keywords： Industrial atmospheric pollutants     Pollutant emission standards     Quantitative method     Machine learning    

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Dissolved methane in anaerobic effluent: Emission or recovery?

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-022-1537-4

Abstract: intend to offer additional insights into the cost-benefit of dissolved methane recovery against its emission

Keywords： Anaerobic treatment     Municipal wastewater     Dissolved methane     Methane recovery     Carbon emission    

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Radiative properties of materials with surface scattering or volume scattering: A review

Qunzhi ZHU, Hyunjin LEE, Zhuomin M. HANG

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 60-79 doi: 10.1007/s11708-009-0011-3

Abstract: this paper, recent research on scattering of thermal radiation by rough surfaces, fibrous insulation, soot

Keywords： aerogel     fiber     particle scattering     radiative properties     soot     surface roughness    

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Response of organic aerosol characteristics to emission reduction in Yangtze River Delta region

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1714-0

Abstract:

● The emission reduction causes significant change in organic aerosol

Keywords： Emission control     Secondary organic aerosol     Atmospheric oxidizing capacity     Holiday effects     COVID-19    

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Study on the Path of “Near-zero Emission” Coal-based Clean Energy Ecosystem Development

Zhang Yu-zhuo

Frontiers of Engineering Management 2014, Volume 1, Issue 1,   Pages 37-41 doi: 10.15302/J-FEM-2014007

Abstract: Developing a "near-zero emission" coal-based clean energy ecosystem bears great significance for thedelves into the development strategy, implementation pathways and key priorities of China's "near-zero emission

Keywords： near-zero emission     clean energy ecosystem     study on the path    

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Quantification of emission variability for off-road equipment in China based on real-world measurements

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1455-x

Abstract:

• Emissions from 53 in-use diesel-fueled off-road equipment were measured.

Keywords： Off-road equipment     Portable emission measurement system (PEMS)     Real-world emissions     Diesel engine    

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Target the neglected VOCs emission from iron and steel industry in China for air quality improvement

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1695-z

Abstract:

● Haze formation in China is highly correlated with iron and steel industry.

Keywords： Volatile organic compounds     Iron and steel industry     Air quality     Sinter flue gas emission    

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Life cycle carbon emission assessment of a multi-purpose university building: A case study of Sri Lanka

Ramya KUMANAYAKE, Hanbin LUO

Frontiers of Engineering Management 2018, Volume 5, Issue 3,   Pages 381-393 doi: 10.15302/J-FEM-2018055

Abstract:

Buildings are known to significantly affect the global carbon emissions throughout their life cycle. To mitigate carbon emissions, investigation of the current performance of buildings with regard to energy consumption and carbon emissions is necessary. This paper presents a process-based life cycle assessment methodology for assessing carbon emissions of buildings, using a multi-storey reinforced concrete building in a Sri Lankan university as a case study. The entire cradle-to-grave building life cycle was assessed and the life span of the building was assumed as 50 years. The results provide evidence of the significance of operation and material production stages, which contributed to the total carbon emissions by 63.22% and 31.59% respectively. Between them, the main structural materials, concrete and reinforcement steel made up 61.91% of the total carbon emitted at the material production stage. The life cycle carbon emissions of the building were found to be 31.81 kg·m−2 CO2 per year, which is comparable with the values obtained in similar studies found in the literature. In minimizing the life cycle carbon emissions, the importance of identifying control measures for both building operation and material production at the early design stage were emphasized. Although the other life cycle stages only contributed to about 5.19% of the life cycle carbon emissions, they should also receive attention when formulating control strategies. Some of the recommended strategies are introducing energy efficiency measures in building design and operation, using renewable energy for building operation and manufacturing of materials, identifying designs that can save mass material quantities, using alternative materials that are locally available in Sri Lanka and implementing material reuse and recycling. This study is one of the first to undertake a life cycle carbon emissions assessment for a building in the Sri Lankan context, with the hope of facilitating environmentally-friendly buildings and promoting sustainable construction practices in the country.

Keywords： carbon emission     life cycle assessment     buildings     sustainable construction     Sri Lanka    

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Combustion effects and emission characteristics of SO

Yiying JIN,Yangyang LI,Fuqiang LIU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 201-210 doi: 10.1007/s11783-014-0739-9

Abstract: Besides, emission pattern experiments of NO , SO , CO and heavy metals were carried out in a high-temperatureResults showed that the conversion rate of NO and total emission of SO reduced with the increase of

Keywords： sewage sludge     combustion characteristic     coal     emission     heavy metals    

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Title Author Date Type Operation

Combustion mechanism development and CFD simulation for the prediction of soot emission during flaring

Anan Wang,Helen H. Lou,Daniel Chen,Anfeng Yu,Wenyi Dang,Xianchang Li,Christopher Martin,Vijaya Damodara,Ajit Patki

Journal Article

Air pollutant control and strategy in coal-fired power industry for promotion of China’s emission reduction

Weiliang WANG, Bo LI, Xuan YAO, Junfu LYU, Weidou NI

Journal Article

Effect of heat transfer space non-uniformity of combustion chamber components on in-cylinder heat transfer in diesel engine

Jizu LV, Minli BAI, Long ZHOU, Jian ZHOU,

Journal Article

Nongray radiation from gas and soot mixtures in planar plates based on statistical narrow-band spectral

Huaqiang CHU, Qiang CHENG, Huaichun ZHOU, Fengshan LIU

Journal Article

Nanostructure and reactivity of soot from biofuel 2,5-dimethylfuran pyrolysis with CO

Lijie ZHANG, Kaixuan YANG, Rui ZHAO, Mingfei CHEN, Yaoyao YING, Dong LIU

Journal Article

Soot size distribution in lightly sooting premixed flames of benzene and toluene

Wang LIU, Jiaqi ZHAI, Baiyang LIN, He LIN, Dong HAN

Journal Article

A new prediction method of industrial atmospheric pollutant emission intensity based on pollutant emission

Journal Article

Dissolved methane in anaerobic effluent: Emission or recovery?

Journal Article

Radiative properties of materials with surface scattering or volume scattering: A review

Qunzhi ZHU, Hyunjin LEE, Zhuomin M. HANG

Journal Article

Response of organic aerosol characteristics to emission reduction in Yangtze River Delta region

Journal Article

Study on the Path of “Near-zero Emission” Coal-based Clean Energy Ecosystem Development

Zhang Yu-zhuo

Journal Article

Quantification of emission variability for off-road equipment in China based on real-world measurements

Journal Article

Target the neglected VOCs emission from iron and steel industry in China for air quality improvement

Journal Article

Life cycle carbon emission assessment of a multi-purpose university building: A case study of Sri Lanka

Ramya KUMANAYAKE, Hanbin LUO

Journal Article

Combustion effects and emission characteristics of SO

Yiying JIN,Yangyang LI,Fuqiang LIU

Journal Article