All Outputs (76)

Parametric and economic analysis of high-temperature cascade organic Rankine cycle with a biphenyl and diphenyl oxide mixture (2022)
Journal Article
Ren, X., Li, J., Pei, G., Li, P., & Gong, L. (2023). Parametric and economic analysis of high-temperature cascade organic Rankine cycle with a biphenyl and diphenyl oxide mixture. Energy Conversion and Management, 276, Article 116556. https://doi.org/10.1016/j.enconman.2022.116556

High-temperature organic Rankine cycle (ORC) systems have the potential to improve the heat-to-power conversion efficiency and expand the temperature range for heat recovery, heat battery and solar power generation. Restricted by the critical tempera... Read More about Parametric and economic analysis of high-temperature cascade organic Rankine cycle with a biphenyl and diphenyl oxide mixture.

A novel direct steam generation system based on the high-vacuum insulated flat plate solar collector (2022)
Journal Article
Gao, D., Li, J., Ren, X., Hu, T., & Pei, G. (2022). A novel direct steam generation system based on the high-vacuum insulated flat plate solar collector. Renewable energy, 197, 966-977. https://doi.org/10.1016/j.renene.2022.07.102

Process steam is an important product in the industrial sector but the traditional steam boiler will lead to tremendous fossil fuel consumption and carbon emissions. The non-concentrating solar collectors have a huge potential for process steam gener... Read More about A novel direct steam generation system based on the high-vacuum insulated flat plate solar collector.

Analysis of a direct vapor generation system using cascade steam-organic Rankine cycle and two-tank oil storage (2022)
Journal Article
Li, P., Lin, H., Li, J., Cao, Q., Wang, Y., Pei, G., …Zhao, Z. (2022). Analysis of a direct vapor generation system using cascade steam-organic Rankine cycle and two-tank oil storage. Energy, 257, Article 124776. https://doi.org/10.1016/j.energy.2022.124776

A direct vapor generation solar power system using cascade steam-organic Rankine cycle and two-stage oil tanks is proposed. It offers a significantly enlarged storage capacity due to the unique discharge operation mode. Synthetic oil Therminol® VP-1... Read More about Analysis of a direct vapor generation system using cascade steam-organic Rankine cycle and two-tank oil storage.

An innovative concentrated solar power system driven by high-temperature cascade organic Rankine cycle (2022)
Journal Article
Ren, X., Li, J., Gao, G., & Pei, G. (2022). An innovative concentrated solar power system driven by high-temperature cascade organic Rankine cycle. Journal of Energy Storage, 52, Article 104999. https://doi.org/10.1016/j.est.2022.104999

Direct steam generation (DSG) solar power systems eliminate synthetic oils and molten salts in the solar field and enable efficient heat collection. Commercial DSG solar plants usually have a steam generation temperature of 250–285 °C to reduce the t... Read More about An innovative concentrated solar power system driven by high-temperature cascade organic Rankine cycle.

Experimental investigation of a novel vertical loop-heat-pipe PV/T heat and power system under different height differences (2022)
Journal Article
Yu, M., Chen, F., Zhou, J., Yuan, Y., Fan, Y., Li, G., …Zheng, S. (2022). Experimental investigation of a novel vertical loop-heat-pipe PV/T heat and power system under different height differences. Energy, 254, Part A, Article 124193. https://doi.org/10.1016/j.energy.2022.124193

For a novel vertical solar loop-heat-pipe photovoltaic/thermal system, the height difference between evaporator and condenser plays an important role in the heat transport capacity, which has significant impact on the solar thermal efficiency and par... Read More about Experimental investigation of a novel vertical loop-heat-pipe PV/T heat and power system under different height differences.

A proof-of-concept study of a novel ventilation heat recovery vapour injection air source heat pump (2022)
Journal Article
Fan, Y., Li, J., Zhao, X., Myers, S., Cheng, Y., Yu, M., …Yu, S. (2022). A proof-of-concept study of a novel ventilation heat recovery vapour injection air source heat pump. Energy Conversion and Management, 256, Article 115404. https://doi.org/10.1016/j.enconman.2022.115404

Conventional air source heat pumps suffer from frosting in winter and consume a large amount of electricity for defrosting. Meanwhile, ventilation heat recovery is an important approach to energy saving in buildings. This paper conducts a proof-of-co... Read More about A proof-of-concept study of a novel ventilation heat recovery vapour injection air source heat pump.

Experimental investigation and annual performance mathematical-prediction on a novel LT-PV/T system using spiral-descent concentric copper tube heat exchanger as the condenser for large-scale application (2022)
Journal Article
Li, Z., Ji, J., Li, J., Zhao, X., Cui, Y., Song, Z., …Yao, T. T. (2022). Experimental investigation and annual performance mathematical-prediction on a novel LT-PV/T system using spiral-descent concentric copper tube heat exchanger as the condenser for large-scale application. Renewable energy, 187, 257-270. https://doi.org/10.1016/j.renene.2022.01.079

The condensers of loop thermosyphon PV/T systems (LT-PV/T) are usually integrated inside water tanks, which may bring some challenges during combination use. This research innovatively proposed a concentric copper tube heat exchanger as the condenser... Read More about Experimental investigation and annual performance mathematical-prediction on a novel LT-PV/T system using spiral-descent concentric copper tube heat exchanger as the condenser for large-scale application.

Combined Rankine Cycle and dew point cooler for energy efficient power generation of the power plants - A review and perspective study (2021)
Journal Article
Ma, X., Zhao, X., Zhang, Y., Liu, K., Yang, H., Li, J., …Liu, Z. (2022). Combined Rankine Cycle and dew point cooler for energy efficient power generation of the power plants - A review and perspective study. Energy, 238, Article 121688. https://doi.org/10.1016/j.energy.2021.121688

The Rankine Cycle is a thermodynamic process widely applied to power plants such as coal-fired power plants or nuclear reactors. The thermal efficiency of a power plant is largely dependent upon the temperature difference between a heat source and a... Read More about Combined Rankine Cycle and dew point cooler for energy efficient power generation of the power plants - A review and perspective study.

Mathematical and experimental evaluation of a mini-channel PV/T and thermal panel in summer mode (2021)
Journal Article
Zhou, J., Zhao, X., Yuan, Y., Fan, Y., & Li, J. (2021). Mathematical and experimental evaluation of a mini-channel PV/T and thermal panel in summer mode. Solar Energy, 224, 401-410. https://doi.org/10.1016/j.solener.2021.05.096

In this paper, a mini-channel PV/T and mini-channel thermal panel hot water system is presented. The thermal panels in this system use mini-channel tube as the heat exchanger, which has a small hydraulic diameter and large heat exchanger area, and th... Read More about Mathematical and experimental evaluation of a mini-channel PV/T and thermal panel in summer mode.

Parametric Analysis of a Novel Photovoltaic/Thermal System Using Amorphous Silicon Cells and Micro-Channel Loop Heat Pipes (2021)
Journal Article
Ren, X., Li, J., Zhao, X., Cao, J., Pei, G., & Ji, J. (2021). Parametric Analysis of a Novel Photovoltaic/Thermal System Using Amorphous Silicon Cells and Micro-Channel Loop Heat Pipes. Heat Transfer Engineering, 43(13), 1149-1170. https://doi.org/10.1080/01457632.2021.1943874

Photovoltaic/thermal (PV/T) systems are taking up an increasing market share owing to a high overall solar energy efficiency. An innovative PV/T system that combines amorphous silicon cells and micro-channel loop heat pipes is proposed in this paper.... Read More about Parametric Analysis of a Novel Photovoltaic/Thermal System Using Amorphous Silicon Cells and Micro-Channel Loop Heat Pipes.

Design and analysis of an innovative concentrated solar power system using cascade organic Rankine cycle and two-tank water/steam storage (2021)
Journal Article
Gao, G., Li, J., Li, P., Yang, H., Pei, G., & Ji, J. (2021). Design and analysis of an innovative concentrated solar power system using cascade organic Rankine cycle and two-tank water/steam storage. Energy Conversion and Management, 237, Article 114108. https://doi.org/10.1016/j.enconman.2021.114108

Direct steam generation (DSG) solar power systems have the potential to improve heat collection performance and reduce capital cost. One challenge of the DSG solar thermal power technology is the unsteadiness of steam generation and power conversion... Read More about Design and analysis of an innovative concentrated solar power system using cascade organic Rankine cycle and two-tank water/steam storage.

Scientific and technological progress and future perspectives of the solar assisted heat pump (SAHP) system (2021)
Journal Article
Fan, Y., Zhao, X., Han, Z., Li, J., Badiei, A., Akhlaghi, Y. G., & Liu, Z. (2021). Scientific and technological progress and future perspectives of the solar assisted heat pump (SAHP) system. Energy, 229, Article 120719. https://doi.org/10.1016/j.energy.2021.120719

Among all available solar technologies, solar-assisted heat pump (SAHP) is the most popular technology for low- and medium-temperature applications, i.e., drying, space heating, and water heating. This paper presents a critical review of the SAHP, le... Read More about Scientific and technological progress and future perspectives of the solar assisted heat pump (SAHP) system.

An innovative approach to recovery of fluctuating industrial exhaust heat sources using cascade Rankine cycle and two-stage accumulators (2021)
Journal Article
Li, P., Cao, Q., Li, J., Lin, H., Wang, Y., Gao, G., …Liu, X. (2021). An innovative approach to recovery of fluctuating industrial exhaust heat sources using cascade Rankine cycle and two-stage accumulators. Energy, 228, Article 120587. https://doi.org/10.1016/j.energy.2021.120587

The fluctuating property of the heat source is a technical obstacle of waste heat recovery, which leads to part-load operation and reduced economics. This work presents a novel system to mitigate the fluctuations by using steam-organic Rankine cycles... Read More about An innovative approach to recovery of fluctuating industrial exhaust heat sources using cascade Rankine cycle and two-stage accumulators.

Analysis of a novel photovoltaic/thermal system using InGaN/GaN MQWs cells in high temperature applications (2020)
Journal Article
Ren, X., Li, J., Gao, D., Wu, L., & Pei, G. (2021). Analysis of a novel photovoltaic/thermal system using InGaN/GaN MQWs cells in high temperature applications. Renewable energy, 168, 11-20. https://doi.org/10.1016/j.renene.2020.12.035

© 2020 Elsevier Ltd The solar cells commonly adopted in the photovoltaic/thermal (PV/T) have negative temperature coefficients, leading to a significant decrement in electrical efficiency as cell's temperature exceeds 80 °C, and thus the PV/T systems... Read More about Analysis of a novel photovoltaic/thermal system using InGaN/GaN MQWs cells in high temperature applications.

Design and analysis of a novel dual source vapor injection heat pump using exhaust and ambient air (2020)
Journal Article
Li, J., Fan, Y., Zhao, X., Bai, X., Zhou, J., Badiei, A., …Ma, X. (2021). Design and analysis of a novel dual source vapor injection heat pump using exhaust and ambient air. Energy and Built Environment, https://doi.org/10.1016/j.enbenv.2020.11.004

A novel dual source vapor injection heat pump (DSVIHP) using exhaust and ambient air is proposed. The air exhausted from the building first releases energy to the medium-pressure evaporator and is then mixed with the ambient air to heat the low-press... Read More about Design and analysis of a novel dual source vapor injection heat pump using exhaust and ambient air.

Potential of performance improvement of concentrated solar power plants by optimizing the parabolic trough receiver (2020)
Journal Article
Yang, H., Wang, Q., Cao, J., Pei, G., & Li, J. (2020). Potential of performance improvement of concentrated solar power plants by optimizing the parabolic trough receiver. Frontiers in Energy, 14, 867–881. https://doi.org/10.1007/s11708-020-0707-y

This paper proposes a comprehensive thermodynamic and economic model to predict and compare the performance of concentrated solar power plants with traditional and novel receivers with different configurations involving operating temperatures and loc... Read More about Potential of performance improvement of concentrated solar power plants by optimizing the parabolic trough receiver.

Performance investigation of solar tower system using cascade supercritical carbon dioxide Brayton-steam Rankine cycle (2020)
Journal Article
Yang, H., Li, J., Wang, Q., Wu, L., Reyes Rodríguez-Sanchez, M., Santana, D., & Pei, G. (2020). Performance investigation of solar tower system using cascade supercritical carbon dioxide Brayton-steam Rankine cycle. Energy Conversion and Management, 225, Article 113430. https://doi.org/10.1016/j.enconman.2020.113430

© 2020 Elsevier Ltd A novel solar power tower system that integrates with the cascade supercritical carbon dioxide Brayton-steam Rankine cycle is proposed to tackle the challenges of a simple supercritical carbon dioxide system in solar power systems... Read More about Performance investigation of solar tower system using cascade supercritical carbon dioxide Brayton-steam Rankine cycle.

A chronological review of advances in solar assisted heat pump technology in 21st century (2020)
Journal Article
Badiei, A., Golizadeh Akhlaghi, Y., Zhao, X., Shittu, S., Xiao, X., Li, J., …Li, G. (2020). A chronological review of advances in solar assisted heat pump technology in 21st century. Renewable & sustainable energy reviews, 132, Article 110132. https://doi.org/10.1016/j.rser.2020.110132

This paper presents a comprehensive review on developments and advances of Solar Assisted Heat Pump technology reported in 21st century. Combination of thermal and photovoltaic solar collectors with heat pumps has been widely used in recent decades f... Read More about A chronological review of advances in solar assisted heat pump technology in 21st century.

Evaluate the validity of the empirical correlations of clearance and friction coefficients to improve a scroll expander semi-empirical model (2020)
Journal Article
Kutlu, C., Erdinc, M. T., Li, J., Su, Y., Pei, G., Gao, G., & Riffat, S. (2020). Evaluate the validity of the empirical correlations of clearance and friction coefficients to improve a scroll expander semi-empirical model. Energy, 202, Article 117723. https://doi.org/10.1016/j.energy.2020.117723

This study presents a scroll expander modelling methodology for small scale power generation systems by combining scroll geometry and semi-empirical model. Although the semi-empirical model is quite popular, its dependence on several experimentally-d... Read More about Evaluate the validity of the empirical correlations of clearance and friction coefficients to improve a scroll expander semi-empirical model.

Temperature-dependent performance of amorphous silicon photovoltaic/thermal systems in the long term operation (2020)
Journal Article
Ren, X., Li, J., Jiao, D., Gao, D., & Pei, G. (2020). Temperature-dependent performance of amorphous silicon photovoltaic/thermal systems in the long term operation. Applied energy, 275, Article 115156. https://doi.org/10.1016/j.apenergy.2020.115156

The influences of temperature on the performance of amorphous silicon (a-Si) solar cells and photovoltaic (PV) systems are extensively studied in the literature. The benefit from thermal annealing effect at a higher temperature than ambient has been... Read More about Temperature-dependent performance of amorphous silicon photovoltaic/thermal systems in the long term operation.