All Outputs (94)

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.

Analysis of a novel solar electricity generation system using cascade Rankine cycle and steam screw expander (2016)
Journal Article
Li, J., Li, P., Pei, G., Alvi, J. Z., & Ji, J. (2016). Analysis of a novel solar electricity generation system using cascade Rankine cycle and steam screw expander. Applied energy, 165, 627-638. https://doi.org/10.1016/j.apenergy.2015.12.087

© 2015 Elsevier Ltd. A novel solar electricity generation system (SEGS) using cascade cycle is proposed. The top and the bottom are steam Rankine cycle (SRC) and organic Rankine cycle (ORC). Particulary, screw expander (SE), which is characterized by... Read More about Analysis of a novel solar electricity generation system using cascade Rankine cycle and steam screw expander.

Design of the ORC (organic Rankine cycle) condensation temperature with respect to the expander characteristics for domestic CHP (combined heat and power) applications (2014)
Journal Article
Li, J., Pei, G., Ji, J., Bai, X., Li, P., & Xia, L. (2014). Design of the ORC (organic Rankine cycle) condensation temperature with respect to the expander characteristics for domestic CHP (combined heat and power) applications. Energy, 77, 579-590. https://doi.org/10.1016/j.energy.2014.09.039

Domestic CHP (combined heat and power) generation is one new application of the ORC (organic Rankine cycle). An environment temperature fluctuation of 40°C through the year is common in many areas, where the consumer's demand on heat follows a season... Read More about Design of the ORC (organic Rankine cycle) condensation temperature with respect to the expander characteristics for domestic CHP (combined heat and power) applications.

Analysis of a novel gravity driven organic Rankine cycle for small-scale cogeneration applications (2013)
Journal Article
Li, J., Pei, G., Li, Y., & Ji, J. (2013). Analysis of a novel gravity driven organic Rankine cycle for small-scale cogeneration applications. Applied energy, 108, 34-44. https://doi.org/10.1016/j.apenergy.2013.03.014

A naturally-controlled organic Rankine cycle (ORC) without negative work is proposed. Compared with conventional ORCs, the novel system uses gravity instead of a pump to pressurize the working fluid, and hence the problems associated with the pump ca... Read More about Analysis of a novel gravity driven organic Rankine cycle for small-scale cogeneration applications.

Examination of the expander leaving loss in variable organic Rankine cycle operation (2012)
Journal Article
Li, J., Pei, G., Li, Y., Wang, D., & Ji, J. (2013). Examination of the expander leaving loss in variable organic Rankine cycle operation. Energy Conversion and Management, 65, 66-74. https://doi.org/10.1016/j.enconman.2012.06.023

The organic Rankine cycle (ORC) favorably operates at low temperature. It differs significantly from the steam Rankine cycle in fluid enthalpy drop during expansion and reaction to change in condensation temperature. In current method for ORC-based e... Read More about Examination of the expander leaving loss in variable organic Rankine cycle operation.

A novel organic thermodynamic cycle on the use of gravity for pressurization (2012)
Journal Article
Li, J., Pei, G., & Ji, J. (2012). A novel organic thermodynamic cycle on the use of gravity for pressurization. Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics, 33(5), 729-734

Compared with water pump used in the steam Rankine cycle, pump for the organic Rankine cycle (ORC) has several disadvantages such as great difficulty in manufacture, low efficiency, easily-invited cavitation and high cost. A novel organic fluid therm... Read More about A novel organic thermodynamic cycle on the use of gravity for pressurization.

Energetic and exergetic investigation of an organic Rankine cycle at different heat source temperatures (2012)
Journal Article
Li, J., Pei, G., Li, Y., Wang, D., & Ji, J. (2012). Energetic and exergetic investigation of an organic Rankine cycle at different heat source temperatures. Energy, 38(1), 85-95. https://doi.org/10.1016/j.energy.2011.12.032

The energetic and exergetic performance of an updated ORC (organic Rankine cycle) is investigated. The thermal efficiencies of the ORC at different heat source temperatures of about 100, 90, 80, and 70°C are explored. The thermodynamic irreversibilit... Read More about Energetic and exergetic investigation of an organic Rankine cycle at different heat source temperatures.

Evaluation of external heat loss from a small-scale expander used in organic Rankine cycle (2011)
Journal Article
Li, J., Pei, G., Li, Y., & Ji, J. (2011). Evaluation of external heat loss from a small-scale expander used in organic Rankine cycle. Applied thermal engineering, 31(14-15), 2694-2701. https://doi.org/10.1016/j.applthermaleng.2011.04.039

With the scaling down of the Organic Rankine Cycle (ORC), the engine shaft power is not only determined by the enthalpy drop in the expansion process but also the external heat loss from the expander. Theoretical and experimental support in evaluatin... Read More about Evaluation of external heat loss from a small-scale expander used in organic Rankine cycle.

Construction and dynamic test of a small-scale organic rankine cycle (2011)
Journal Article
Pei, G., Li, J., Li, Y., Wang, D., & Ji, J. (2011). Construction and dynamic test of a small-scale organic rankine cycle. Energy, 36(5), 3215-3223. https://doi.org/10.1016/j.energy.2011.03.010

The fundamentals of a newly constructed kW-scale Organic Rankine Cycle (ORC) system on the use of R123 were illustrated. A specially designed and manufactured turbine was innovatively applied to this system. Formulations were developed to examine the... Read More about Construction and dynamic test of a small-scale organic rankine cycle.

Design and analysis of a novel low-temperature solar thermal electric system with two-stage collectors and heat storage units (2011)
Journal Article
Gang, P., Jing, L., & Jie, J. (2011). Design and analysis of a novel low-temperature solar thermal electric system with two-stage collectors and heat storage units. Renewable energy, 36(9), 2324-2333. https://doi.org/10.1016/j.renene.2011.02.008

The proposed low-temperature solar thermal electric generation is based on the compound parabolic concentrator (CPC) of small concentration ratio and Organic Rankine Cycle (ORC). The technologies of CPC and ORC are analyzed, and feasibility of the sy... Read More about Design and analysis of a novel low-temperature solar thermal electric system with two-stage collectors and heat storage units.

Performance evaluation of a micro turbo-expander for application in low-temperature solar electricity generation (2011)
Journal Article
Pei, G., Li, Y. Z., Li, J., & Ji, J. (2011). Performance evaluation of a micro turbo-expander for application in low-temperature solar electricity generation. Journal of Zhejiang University Science A, 12(3), 207-213. https://doi.org/10.1631/jzus.A1000105

A micro turbo-expander capable of high working speed was specially manufactured for use in an organic Rankine cycle (ORC). A series of tests were executed to examine the performance of the machine. In the experiment, the machine was tested under diff... Read More about Performance evaluation of a micro turbo-expander for application in low-temperature solar electricity generation.

Novel design and simulation of a hybrid solar electricity system with organic Rankine cycle and PV cells (2010)
Journal Article
Li, J., Pei, G., Li, Y., & Ji, J. (2010). Novel design and simulation of a hybrid solar electricity system with organic Rankine cycle and PV cells. International journal of low carbon technologies, 5(4), 223-230. https://doi.org/10.1093/ijlct/ctq027

The proposed system mainly consists of flat-plate compound parabolic concentrators (CPCs) integrated with photovoltaic (PV) cells and organic Rankine cycle (ORC). The technologies of CPC, PV cell and ORC are analyzed, and feasibility of the hybrid so... Read More about Novel design and simulation of a hybrid solar electricity system with organic Rankine cycle and PV cells.

Optimization of low temperature solar thermal electric generation with Organic Rankine Cycle in different areas (2010)
Journal Article
Jing, L., Gang, P., & Jie, J. (2010). Optimization of low temperature solar thermal electric generation with Organic Rankine Cycle in different areas. Applied energy, 87(11), 3355-3365. https://doi.org/10.1016/j.apenergy.2010.05.013

The presented low temperature solar thermal electric generation system mainly consists of compound parabolic concentrators (CPC) and the Organic Rankine Cycle (ORC) working with HCFC-123. A novel design is proposed to reduce heat transfer irreversibi... Read More about Optimization of low temperature solar thermal electric generation with Organic Rankine Cycle in different areas.

Analysis of low temperature solar thermal electric generation using regenerative Organic Rankine Cycle (2010)
Journal Article
Pei, G., Li, J., & Ji, J. (2010). Analysis of low temperature solar thermal electric generation using regenerative Organic Rankine Cycle. Applied thermal engineering, 30(8-9), 998-1004. https://doi.org/10.1016/j.applthermaleng.2010.01.011

The innovative configuration of low temperature solar thermal electric generation with regenerative Organic Rankine Cycle (ORC) is designed, mainly consisting of small concentration ratio compound parabolic concentrators (CPC) and the regenerative OR... Read More about Analysis of low temperature solar thermal electric generation using regenerative Organic Rankine Cycle.