All Outputs (93)

Experimental Study of a Point-Focus Fresenel High Concentrator Photovoltaic/Thermal System (2018)
Journal Article
Jin, Z., Ji, J., Xu, N., Sun, W., Li, J., & Huang, W. (2018). Experimental Study of a Point-Focus Fresenel High Concentrator Photovoltaic/Thermal System. 880-01 Tai yang neng xue bao = Acta energiae solaris sinica / CSES, 39(1), 69-75

This paper proposes and builds a novel type of high concentration photovoltaic/thermal(HPV/T)system, combines the Fresnel type point-focus photovoltaic system with PV/T system effectively, and carries on the experimental study. Through outdoor test a... Read More about Experimental Study of a Point-Focus Fresenel High Concentrator Photovoltaic/Thermal System.

A novel concentrated solar power system using cascade steam-organic Rankine cycle and two-stage accumulators (2017)
Presentation / Conference Contribution
Li, J., Gao, G., Pei, G., Li, P., Su, Y., Ji, J., & Riffat, S. A novel concentrated solar power system using cascade steam-organic Rankine cycle and two-stage accumulators. Presented at 9th International Conference on Applied Energy (ICAE 2017), Cardiff, UK

A novel direct steam generation solar power system is proposed based on steam screw expander, cascade steam-organic Rankine cycle (SORC) and two-stage accumulators. The high temperature accumulator (HTA) enables smooth power conversion and stores the... Read More about A novel concentrated solar power system using cascade steam-organic Rankine cycle and two-stage accumulators.

Numerical investigation and experimental validation of the impacts of an inner radiation shield on parabolic trough solar receivers (2017)
Journal Article
Wang, Q., Yang, H., Huang, X., Li, J., & Pei, G. (2018). Numerical investigation and experimental validation of the impacts of an inner radiation shield on parabolic trough solar receivers. Applied thermal engineering, 132, 381-392. https://doi.org/10.1016/j.applthermaleng.2017.12.112

Conventional parabolic trough solar receivers are widely used to harvest heat energy at temperatures ranging from 400 °C to 550 °C. However, high temperatures cause excessive heat loss in solar receivers. Two types of novel solar receivers with an in... Read More about Numerical investigation and experimental validation of the impacts of an inner radiation shield on parabolic trough solar receivers.

Performance study and comparative analysis of traditional and double-selective-coated parabolic trough receivers (2017)
Journal Article
Yang, H., Wang, Q., Huang, X., Li, J., & Pei, G. (2018). Performance study and comparative analysis of traditional and double-selective-coated parabolic trough receivers. Energy, 145, 206-216. https://doi.org/10.1016/j.energy.2017.12.126

Based on the simulated non-uniformity solar radiation flux distribution of the absorber by the Soltrace software using the Monte Carlo Ray-Trace Method, an innovative parabolic trough solar receiver that employs two solar selective coatings with diff... Read More about Performance study and comparative analysis of traditional and double-selective-coated parabolic trough receivers.

Experimental study of organic Rankine cycle in the presence of non-condensable gases (2017)
Journal Article
Li, J., Gao, G., Li, P., Pei, G., Huang, H., Su, Y., & Ji, J. (2018). Experimental study of organic Rankine cycle in the presence of non-condensable gases. Energy, 142, 739-753. https://doi.org/10.1016/j.energy.2017.10.054

Non-condensable gases (NCGs) are inevitable in organic Rankine cycle (ORC) system, and they have adverse impacts. A small-scale ORC test platform using scroll expander and R123 was constructed to investigate the NCGs effect. The expander backpressure... Read More about Experimental study of organic Rankine cycle in the presence of non-condensable gases.

Thermodynamic comparison and dynamic simulation of direct and indirect solar organic Rankine cycle systems with PCM storage (2017)
Presentation / Conference Contribution
Alvi, J. Z., Imran, M., Pei, G., Li, J., Gao, G., & Alvi, J. Thermodynamic comparison and dynamic simulation of direct and indirect solar organic Rankine cycle systems with PCM storage. Presented at 4th International Seminar on ORC Power Systems, Milan, Italy

A thermodynamic comparison between a novel direct solar ORC system (DSOS) and indirect solar ORC system (ISOS) is carried out in this study. A phase change material (PCM) heat storage unit is integrated with both systems to ensure the stability of po... Read More about Thermodynamic comparison and dynamic simulation of direct and indirect solar organic Rankine cycle systems with PCM storage.

A numerical and experimental study of micro-channel heat pipe solar photovoltaics thermal system (2017)
Journal Article
Modjinou, M., Ji, J., Li, J., Yuan, W., & Zhou, F. (2017). A numerical and experimental study of micro-channel heat pipe solar photovoltaics thermal system. Applied energy, 206, 708-722. https://doi.org/10.1016/j.apenergy.2017.08.221

A novel micro-channel heat pipe array incorporated with crystalline silicon (c-Si) solar photovoltaic/thermal system (MHP-PV/T) was designed and constructed by the authors. The proposed design configuration combined c-Si solar cells and wide micro-ch... Read More about A numerical and experimental study of micro-channel heat pipe solar photovoltaics thermal system.

Experimental investigation on controllable loop thermosyphon with a reservoir (2017)
Journal Article
Cao, J., Pei, G., Jiao, D., Zhao, P., Li, J., & Wang, Y. (2017). Experimental investigation on controllable loop thermosyphon with a reservoir. Applied thermal engineering, 126, 322-329. https://doi.org/10.1016/j.applthermaleng.2017.07.182

The controllable loop thermosyphons (CLTs) can be widely applied in temperature control applications, such as cool-storage refrigerators powered by solar energy or electricity with the TOU (time of use) price. However, the performance of the CLT requ... Read More about Experimental investigation on controllable loop thermosyphon with a reservoir.

Performance analysis on a high-temperature solar evacuated receiver with an inner radiation shield (2017)
Journal Article
Wang, Q., Li, J., Yang, H., Su, K., Hu, M., & Pei, G. (2017). Performance analysis on a high-temperature solar evacuated receiver with an inner radiation shield. Energy, 139, 447-458. https://doi.org/10.1016/j.energy.2017.07.147

A novel solar evacuated receiver as the key part of parabolic trough collector (PTC) was designed and constructed by authors. The novel evacuated receiver (NER) with an inner radiation shield can significantly decrease heat loss at higher operating t... Read More about Performance analysis on a high-temperature solar evacuated receiver with an inner radiation shield.

Preliminary study on variable conductance loop thermosyphons (2017)
Journal Article
Cao, J., Pei, G., Chen, C., Jiao, D., & Jing, L. (2017). Preliminary study on variable conductance loop thermosyphons. Energy Conversion and Management, 147, 66-74. https://doi.org/10.1016/j.enconman.2017.04.105

Given that loop thermosyphons are widely used as simple and high-efficiency heat transfer devices, their passive heat transfer performance has attracted considerable research interest. The capability of loop thermosyphons for active heat transfer adj... Read More about Preliminary study on variable conductance loop thermosyphons.

Modeling and optimization of solar-powered cascade Rankine cycle system with respect to the characteristics of steam screw expander (2017)
Journal Article
Li, P., Li, J., Gao, G., Pei, G., Su, Y., Ji, J., & Ye, B. (2017). Modeling and optimization of solar-powered cascade Rankine cycle system with respect to the characteristics of steam screw expander. Renewable energy, 112, 398-412. https://doi.org/10.1016/j.renene.2017.05.054

© 2017 Elsevier Ltd The screw-type volumetric expander has great potential in distributed solar electric generating system (SEGS) applications regarding its ability of handling both steam and liquid. A parabolic trough collector (PTC)-coupled cascade... Read More about Modeling and optimization of solar-powered cascade Rankine cycle system with respect to the characteristics of steam screw expander.

Preliminary thermal analysis of a combined photovoltaic–photothermic–nocturnal radiative cooling system (2017)
Journal Article
Hu, M., Zhao, B., Li, J., Wang, Y., & Pei, G. (2017). Preliminary thermal analysis of a combined photovoltaic–photothermic–nocturnal radiative cooling system. Energy, 137, 419-430. https://doi.org/10.1016/j.energy.2017.03.075

A novel combined photovoltaic–photothermic–nocturnal radiative cooling (PV–PT–RC) system was proposed to achieve multifunctional and all-weather operation. The proposed system collects electricity and heat energy at daytime through PV and PT conversi... Read More about Preliminary thermal analysis of a combined photovoltaic–photothermic–nocturnal radiative cooling system.

Thermodynamic and economic investigation of a screw expander-based direct steam generation solar cascade Rankine cycle system using water as thermal storage fluid (2017)
Journal Article
Li, J., Li, P., Gao, G., Pei, G., Su, Y., & Ji, J. (2017). Thermodynamic and economic investigation of a screw expander-based direct steam generation solar cascade Rankine cycle system using water as thermal storage fluid. Applied energy, 195, 137-151. https://doi.org/10.1016/j.apenergy.2017.03.033

© 2017 Elsevier Ltd Solar electricity generation system (SEGS) which employs cascade steam-organic Rankine cycle (SORC) and steam screw expander (SE) is promising due to the high efficiency at moderate heat source temperature. This paper puts a speci... Read More about Thermodynamic and economic investigation of a screw expander-based direct steam generation solar cascade Rankine cycle system using water as thermal storage fluid.

Modelling of organic Rankine cycle efficiency with respect to the equivalent hot side temperature (2016)
Journal Article
Li, J., Alvi, J. Z., Pei, G., Su, Y., Li, P., Gao, G., & Ji, J. (2016). Modelling of organic Rankine cycle efficiency with respect to the equivalent hot side temperature. Energy, 115, 668-683. https://doi.org/10.1016/j.energy.2016.09.049

© 2016 Elsevier Ltd An indicator, namely equivalent hot side temperature (TEHST) is proposed for the organic Rankine cycle (ORC). TEHST is derived from ideal thermodynamic process, but can denote the efficiency of irreversible ORC. Study on 27 fluids... Read More about Modelling of organic Rankine cycle efficiency with respect to the equivalent hot side temperature.

Field test and preliminary analysis of a combined diurnal solar heating and nocturnal radiative cooling system (2016)
Journal Article
Hu, M., Pei, G., Wang, Q., Li, J., Wang, Y., & Ji, J. (2016). Field test and preliminary analysis of a combined diurnal solar heating and nocturnal radiative cooling system. Applied energy, 179, 899-908. https://doi.org/10.1016/j.apenergy.2016.07.066

© 2016 A type of composite surface was manufactured for trial to achieve integrated solar heating and radiative cooling functions. The spectral properties of the composite surface present a relatively clear selectivity in the spectra of solar heating... Read More about Field test and preliminary analysis of a combined diurnal solar heating and nocturnal radiative cooling system.

Experimental study of the effect of inclination angle on the thermal performance of heat pipe photovoltaic/thermal (PV/T) systems with wickless heat pipe and wire-meshed heat pipe (2016)
Journal Article
Hu, M., Zheng, R., Pei, G., Wang, Y., Li, J., & Ji, J. (2016). Experimental study of the effect of inclination angle on the thermal performance of heat pipe photovoltaic/thermal (PV/T) systems with wickless heat pipe and wire-meshed heat pipe. Applied thermal engineering, 106, 651-660. https://doi.org/10.1016/j.applthermaleng.2016.06.003

© 2016 Elsevier Ltd Two different heat pipe photovoltaic/thermal (PV/T) systems, namely, wickless heat pipe PV/T system and wire-meshed heat pipe PV/T system, were proposed. In this paper, the thermal performances of the two systems working on differ... Read More about Experimental study of the effect of inclination angle on the thermal performance of heat pipe photovoltaic/thermal (PV/T) systems with wickless heat pipe and wire-meshed heat pipe.

Performance evaluation of controllable separate heat pipes (2016)
Journal Article
Cao, J., Li, J., Zhao, P., Jiao, D., Li, P., Hu, M., & Pei, G. (2016). Performance evaluation of controllable separate heat pipes. Applied thermal engineering, 100, 518-527. https://doi.org/10.1016/j.applthermaleng.2016.02.044

© 2016 Elsevier Ltd. All rights reserved. A controllable separate heat pipe (CSHP) combined with cool storage can be an efficient and low-cost solution to release the necessary cool power and to improve the precision in the temperature control of coo... Read More about Performance evaluation of controllable separate heat pipes.

Numerical simulation and experimental validation of a high concentration photovoltaic/thermal module based on point-focus Fresnel lens (2016)
Journal Article
Xu, N., Ji, J., Sun, W., Huang, W., Li, J., & Jin, Z. (2016). Numerical simulation and experimental validation of a high concentration photovoltaic/thermal module based on point-focus Fresnel lens. Applied energy, 168, 269-281. https://doi.org/10.1016/j.apenergy.2016.01.077

© 2016 Elsevier Ltd. Characteristics of a high concentration photovoltaic/thermal (HCPV/T) module equipped with point-focus Fresnel lens have been investigated in this paper. Both electrical and thermal models of the module are developed by numerical... Read More about Numerical simulation and experimental validation of a high concentration photovoltaic/thermal module based on point-focus Fresnel lens.

A cascade organic Rankine cycle power generation system using hybrid solar energy and liquefied natural gas (2016)
Journal Article
Li, P., Li, J., Pei, G., & Ji, J. (2016). A cascade organic Rankine cycle power generation system using hybrid solar energy and liquefied natural gas. Solar Energy, 127, 136-146. https://doi.org/10.1016/j.solener.2016.01.029

© 2016 Elsevier Ltd. A cascade organic Rankine cycle (ORC) system utilizing solar energy and liquefied natural gas (LNG) for thermal power generation is proposed. Energy from solar collectors drives the evaporation of working fluid in the top cycle (... Read More about A cascade organic Rankine cycle power generation system using hybrid solar energy and liquefied natural gas.

Effect of working fluids on the performance of a novel direct vapor generation solar organic Rankine cycle system (2016)
Journal Article
Li, J., Alvi, J. Z., Pei, G., Ji, J., Li, P., & Fu, H. (2016). Effect of working fluids on the performance of a novel direct vapor generation solar organic Rankine cycle system. Applied thermal engineering, 98, 786-797. https://doi.org/10.1016/j.applthermaleng.2015.12.146

© 2015 Elsevier Ltd. All rights reserved. A novel solar organic Rankine cycle (ORC) system with direct vapor generation (DVG) is proposed. A heat storage unit is embedded in the ORC to guarantee the stability of power generation. Compared with conven... Read More about Effect of working fluids on the performance of a novel direct vapor generation solar organic Rankine cycle system.