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Zheng Li
Tsinghua University
Analytical chemistryEngineeringChemistryChinaLaser-induced breakdown spectroscopy
154Publications
23H-index
1,547Citations
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Publications 152
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#1Xuesheng Liang (THU: Tsinghua University)
#2Linwei Ma (THU: Tsinghua University)H-Index: 19
Last. Weidou Ni (THU: Tsinghua University)H-Index: 22
view all 5 authors...
Abstract With increasing needs for the development of both smart cities and smart energy systems, the intersection concept of smart energy city (SEC) have been emerged in recent years. However, there is still lack of discussions on this concept with the background of developing countries. With serious challenges of urbanization and energy, China can provide a prominent case to further deep the understanding of this concept in the background of a rapidly developing country. This manuscript aims t...
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#1Tianxiao Li (THU: Tsinghua University)H-Index: 1
#2Pei Liu (THU: Tsinghua University)H-Index: 26
Last. Zheng Li (THU: Tsinghua University)H-Index: 23
view all 3 authors...
Abstract Meeting growing energy demand and taking low carbon transition are two main energy issues in most countries. Planning and operation of energy supply systems are challenging tasks with multiple energy types, supply sources, transmission options, processing technologies, end-consumers, and large quantity of costly infrastructure. Energy planning models could reduce costs as well as address growing and transition issues. In this study, a mathematical modelling framework describing a nation...
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Laser-induced breakdown spectroscopy of aerosols is associated with large signal variability and lower sampling rate. In this paper, aerosol ablation and signal variability associated with aerosol size are studied by size resolved spectral and image analyses of submicron sized particles using high density stream of monodisperse liquid aerosols. Rise in particle size from 0.16 µm to 0.96 µm for similar aerosol mass concentration showed size dependent intensity increase. The initial increase in an...
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#1Chin Hao Chong (THU: Tsinghua University)
#2Wei Xin Tan (THU: Tsinghua University)
Last. Weidou Ni (THU: Tsinghua University)H-Index: 22
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Abstract Malaysia is a typical Southeast Asian country that is a dynamic part of the global growth of energy-related CO2 (carbon dioxide) emissions, but little research exists on the driving factors of its energy-related CO2 emission growth. Most of the related publications have considered only the effect of the change of economic indicators using econometric methods, and seldom have they considered the technical driving factors from the perspective of energy systems. In this study, a methodolog...
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#1He JinH-Index: 1
Last. Zheng LiH-Index: 23
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Carbon emissions capture and storage is regarded as an essential approach to mitigate the greenhouse effect led by carbon dioxide emissions from the fossil fuels combustion. Amine-based post-combustion CO2 capture technologies have great potential for retrofitting existing coal-fired power plants. In this paper, a mathematical model for a packed absorber and stripper in a CO2 capture process are developed. Typical aqueous monoethanolamine (MEA) with 30 wt.% concentration is selected as the absor...
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#2Linwei MaH-Index: 19
Last. Weidou NiH-Index: 22
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In response to climate change and to achieve global sustainable development, countries should accelerate the transition of their energy systems. In order to clearly understand the underlying mechanism of the transition, it is necessary to investigate the structural changes along energy flow processes and find the driving factors. This paper proposes a quantitative method based on energy allocation Sankey diagrams and index including total amount change, relative growth rate and occupation ratio ...
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#1Siyuan Chen (THU: Tsinghua University)H-Index: 2
#2Pei Liu (THU: Tsinghua University)H-Index: 26
Last. Zheng Li (THU: Tsinghua University)H-Index: 23
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Abstract Air pollution has become a severe problem in the world. The power sector accounts for a large percentage of air pollutants emissions and has large emission reduction potential due to its centralized emissions. In order to find a cost-effective development pathway for the power sector to realize emission reduction, a multi-regional power generation expansion planning model is proposed in this paper and China is used for a case study. The model integrates air pollutants emission constrain...
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#1Weiliang Wang (THU: Tsinghua University)H-Index: 6
#2Zheng Li (THU: Tsinghua University)H-Index: 23
Last. Weidou Ni (THU: Tsinghua University)H-Index: 22
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As the main power source of China, coal-fired power industry has achieved a great progress in installed capacity, manufacturing technologies, thermal efficiency, as well as pollutant control during the past century. With the fast development of renewable energies, coal-fired power industry is experiencing a strategic transformation. To specify the development of coal-fired power industry, its development history is reviewed and the technical progresses on aspects of thermal efficiency, pollutant...
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#1Zhuoran Li (THU: Tsinghua University)
#2Linwei Ma (THU: Tsinghua University)H-Index: 19
Last. Weidou Ni (THU: Tsinghua University)H-Index: 22
view all 4 authors...
Abstract In China today, as well as other areas of the world, new technologies that apply multi-energy cooperative utilization and seek commercialization face the challenge of economic uncertainty. In this context, business models have a significant influence on the techno-economic performance of the technology projects. By using the solar-heat pump water heater as a case study example, the aim of this study is to develop a techno-economic model to evaluate and compare the techno-economic perfor...
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#1Weiliang Wang (THU: Tsinghua University)H-Index: 6
#2Junfu Lyu (THU: Tsinghua University)H-Index: 4
Last. Weidou Ni (THU: Tsinghua University)H-Index: 22
view all 6 authors...
Coal-fired power is the main power source and the biggest contributor to energy conservation in the past several decades in China. It is generally believed that advanced technology should be counted on for energy conservation. However, a review of the decline in the national average net coal consumption rate (NCCR) of China’s coal-fired power industry along with its development over the past few decades indicates that the upgradation of the national unit capacity structure (including installing ...
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