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Numerical study of conduction and radiation heat losses from vacuum annulus in parabolic trough receivers

Dongqiang LEI, Yucong REN, Zhifeng WANG

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 1048-1059 doi: 10.1007/s11708-020-0670-7

Abstract: Parabolic trough receiver is a key component to convert solar energy into thermal energy in the parabolictrough solar system.The heat loss of the receiver has an important influence on the thermal efficiency and the operatingconduction and radiation heat losses are analyzed respectively to identify the heat loss mechanism of the receiverdirect simulation Monte Carlo method for rarefied gas flow and heat transfer within the annulus of the receiver

Keywords： parabolic trough receiver     vacuum annulus     rarefied gas     DSMC (direct simulation Monte Carlo)     heat loss    

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Potential of performance improvement of concentrated solar power plants by optimizing the parabolic troughreceiver

Honglun YANG, Qiliang WANG, Jingyu CAO, Gang PEI, Jing LI

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 867-881 doi: 10.1007/s11708-020-0707-y

Abstract: optimal operating temperature of the power plants is improved from 500°C to 560°C by employing a novel receiverFurthermore, the sensitivity analysis of the receiver heat loss, solar absorption, and freeze protectiontemperature is also conducted to analyze the general rule of influence of the receiver performance onThe results indicate that the novel receiver coupled with low melting temperature molten salt is the

Keywords： concentrated solar power     parabolic trough receiver     heat loss     solar energy     annual performance    

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Thermal and hydraulic characteristics of a large-scaled parabolic trough solar field (PTSF) under cloud

Linrui MA, Zhifeng WANG, Ershu XU, Li XU

Frontiers in Energy 2020, Volume 14, Issue 2,   Pages 283-297 doi: 10.1007/s11708-019-0649-4

Abstract: To better understand the characteristics of a large-scaled parabolic trough solar field (PTSF) under

Keywords： parabolic trough solar field (PTSF)     thermal hydraulic model     cloud passages     transients    

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Optical performance analysis of an innovative linear focus secondary trough solar concentrating system

Xiliang ZHANG, Zhiying CUI, Jianhan ZHANG, Fengwu BAI, Zhifeng WANG

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 590-596 doi: 10.1007/s11708-018-0602-y

Abstract: The parabolic trough solar concentrating system has been well developed and widely used in commercialHowever, the conventional system has its drawbacks when connecting receiver tube parts and enhancingconcentrating system was proposed, which consists of a fixed parabolic trough concentrator, one or moreheliostats, and a fixed tube receiver.The proposed system not only avoids the end loss and connection problem on the receiver during the tracking

Keywords： secondary parabolic trough solar concentrator     ray tracing method     linear focus     concentration ratio     optical    

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Effects of critical geometric parameters on the optical performance of a conical cavity receiver

Hu XIAO, Yanping ZHANG, Cong YOU, Chongzhe ZOU, Quentin FALCOZ

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 673-683 doi: 10.1007/s11708-019-0630-2

Abstract: The optical performance of a receiver has a great influence on the efficiency and stability of a solarcommercial software TracePro was used to investigate the effects of some factors on a conical cavity receiverThe optical performance of the conical receiver was studied and analyzed using the Monte Carlo ray tracingThe conical cavity receiver had an optimal optical performance when the focal point of the collector

Keywords： parabolic collector     conical cavity receiver     critical geometric parameters     optical performance    

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Geometric optimization model for the solar cavity receiver with helical pipe at different solar radiation

Chongzhe ZOU, Huayi FENG, Yanping ZHANG, Quentin FALCOZ, Cheng ZHANG, Wei GAO

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 284-295 doi: 10.1007/s11708-019-0613-3

Abstract: parameters, several researches have already optimized the thermal efficiency of the cylindrical cavity receiverThis study constructed a 3-D numerical model of cylindrical cavity receiver with DNI variation.In the model of a cylindrical cavity receiver containing a helical pipe, the heat losses of the cavitym to 800 W/m , there exists a best design for achieving a highest thermal efficiency of the cavity receiverBesides, for a receiver in constant geometric parameters, the total heat losses increases dramatically

Keywords： cylindrical cavity receiver     3-D numerical simulation     geometric optimization     direct normal irradiation    

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Liquid-based high-temperature receiver technologies for next-generation concentrating solar power: A

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 16-42 doi: 10.1007/s11708-023-0866-8

Abstract: the levelized cost of energy for concentrating solar power (CSP), the outlet temperature of the solar receiverBecause of extensive engineering application experience, the liquid-based receiver is an attractive receiverIt is concluded that combining salt purification and anti-corrosion receiver materials is promising toIn addition, reducing energy losses of the receiver from sources and during propagation is the most effectiveway to improve the receiver efficiency.

Keywords： next-generation concentrating solar power     liquid-based solar receiver     molten salt     liquid metals    

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Elastic analysis of heterogeneous thick-walled spherical pressure vessels with parabolic varying properties

Keyhan KARAMI, Majid ABEDI, Mohammad ZAMANI NEJAD, Mohammad Hassan LOTFIAN

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4,   Pages 433-438 doi: 10.1007/s11465-012-0336-1

Abstract: The mechanical properties except the Poisson’s ratio are assumed to obey the parabolic variations

Keywords： thick-walled spherical vessels     heterogeneous materials     FGM     FEM     parabolic varying properties    

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A new approach for fuel injection into a solar receiver/reactor: Numerical and experimental investigation

M Helal Uddin, Nesrin Ozalp, Jens Heylen, Cedric Ophoff

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 683-696 doi: 10.1007/s11705-018-1782-z

Abstract: This study presents a new jet-type burner nozzle for gaseous feedstock injection into a cavity solar receiverThe nozzle design was adapted from a combustion burner and successfully implemented into a solar receiverthe influence of the nozzle design on the fluid mixing and temperature distribution inside the solar receiverthe burner nozzle adaptation, which resulted an intense effect on the heat transfer inside the solar receiver

Keywords： solar reactor     nozzle     CFD     heat transfer     mixing and recirculation    

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Numerical Study on the Parabolic Mild-slope Equation

Shen Yongming,Zheng Yonghong,Wu Xiuguang

Strategic Study of CAE 2004, Volume 6, Issue 3,   Pages 30-35

Abstract:

Two kinds of parabolic mild-slope equations are studied systematically.These results can give some theoretical guidance to the applications of parabolic mild slope equations

Keywords： parabolic mild-slope equation     numerical study     wave    

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Experiment study of a quartz tube falling particle receiver

Tianjian WANG, Fengwu BAI, Shunzhou CHU, Xiliang ZHANG, Zhifeng WANG

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 472-479 doi: 10.1007/s11708-017-0502-6

Abstract: This paper presents an experimental evaluation of a specially designed falling particle receiver.Several experiments were conducted to test the dynamic thermal performance of the receiver on solar furnace, which shows a good thermal performance with a falling distance of 0.2 m in a small scale particle receiver

Keywords： solar thermal electricity     central receiver     particle receiver     experimental research    

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Erratum to: Folded down-conversion mixer for a 60 GHz receiver architecture in 65-nm CMOS technology

Najam Muhammad AMIN,Zhi-gong WANG,Zhi-qun LI

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 5, doi: 10.1631/FITEE.14e0087

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Ag/PMMA hollow waveguide for solar energy transmission

He LAN, Jianjun HAN, Hongping CHEN, Xiujian ZHAO

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 303-307 doi: 10.1007/s11705-010-0565-y

Abstract: This paper describes an elaborate study on obtaining Ag/PMMA (polymethyl methacrylate) leaky hollow waveguide which has a large aperture and low loss in transmitting solar energy. Through analyses and comparison, a quartz capillary with the inner diameter of 2 mm was chosen as hollow waveguide. We used the xenon light source, which has the similar spectrum as the sunlight to test and analyze the performance of the Ag/PMMA leakage hollow waveguide. The results are consistent with the transmitted theory of the dielectric/metal leaky type well. Meanwhile, the Ag/PMMA leaky-type hollow waveguide in this work had good qualities. Therefore, it will be a satisfactory medium for solar energy transmission.

Keywords： hollow waveguide     transmit the solar energy     Ag/PMMA multiple film     parabolic collector    

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Numerical simulation and experiment research of radiation performance in a dish solar collector system

Yong SHUAI, Xinlin XIA, Heping TAN

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 488-495 doi: 10.1007/s11708-010-0007-z

Abstract: and coupled with optical properties to predict the radiation performance of solar concentrator/cavity receiverA flux density distribution measurement system for dish parabolic concentrators is developed.

Keywords： Monte Carlo method     solar energy     radiation performance     cavity receiver    

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Numerical simulation of the heat flux distribution in a solar cavity receiver

Yueshe WANG, Xunwei DONG, Jinjia WEI, Hui JIN

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 98-103 doi: 10.1007/s11708-010-0019-8

Abstract: In the solar tower power plant, the receiver is one of the main components of efficient concentratingIn the design of the receiver, the heat flux distribution in the cavity should be considered first.simulation using the Monte Carlo Method has been conducted on the heat flux distribution in the cavity receiverBy tracing every solar ray, the distribution of heat flux density in the cavity receiver was obtainedThese results provide necessary data for the structure design of cavity receiver and the local thermal

Keywords： solar cavity receiver     Monte Carlo method     heat flux distribution    

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Title Author Date Type Operation

Numerical study of conduction and radiation heat losses from vacuum annulus in parabolic trough receivers

Dongqiang LEI, Yucong REN, Zhifeng WANG

Journal Article

Potential of performance improvement of concentrated solar power plants by optimizing the parabolic troughreceiver

Honglun YANG, Qiliang WANG, Jingyu CAO, Gang PEI, Jing LI

Journal Article

Thermal and hydraulic characteristics of a large-scaled parabolic trough solar field (PTSF) under cloud

Linrui MA, Zhifeng WANG, Ershu XU, Li XU

Journal Article

Optical performance analysis of an innovative linear focus secondary trough solar concentrating system

Xiliang ZHANG, Zhiying CUI, Jianhan ZHANG, Fengwu BAI, Zhifeng WANG

Journal Article

Effects of critical geometric parameters on the optical performance of a conical cavity receiver

Hu XIAO, Yanping ZHANG, Cong YOU, Chongzhe ZOU, Quentin FALCOZ

Journal Article

Geometric optimization model for the solar cavity receiver with helical pipe at different solar radiation

Chongzhe ZOU, Huayi FENG, Yanping ZHANG, Quentin FALCOZ, Cheng ZHANG, Wei GAO

Journal Article

Liquid-based high-temperature receiver technologies for next-generation concentrating solar power: A

Journal Article

Elastic analysis of heterogeneous thick-walled spherical pressure vessels with parabolic varying properties

Keyhan KARAMI, Majid ABEDI, Mohammad ZAMANI NEJAD, Mohammad Hassan LOTFIAN

Journal Article

A new approach for fuel injection into a solar receiver/reactor: Numerical and experimental investigation

M Helal Uddin, Nesrin Ozalp, Jens Heylen, Cedric Ophoff

Journal Article

Numerical Study on the Parabolic Mild-slope Equation

Shen Yongming,Zheng Yonghong,Wu Xiuguang

Journal Article

Experiment study of a quartz tube falling particle receiver

Tianjian WANG, Fengwu BAI, Shunzhou CHU, Xiliang ZHANG, Zhifeng WANG

Journal Article

Erratum to: Folded down-conversion mixer for a 60 GHz receiver architecture in 65-nm CMOS technology

Najam Muhammad AMIN,Zhi-gong WANG,Zhi-qun LI

Journal Article

Ag/PMMA hollow waveguide for solar energy transmission

He LAN, Jianjun HAN, Hongping CHEN, Xiujian ZHAO

Journal Article

Numerical simulation and experiment research of radiation performance in a dish solar collector system

Yong SHUAI, Xinlin XIA, Heping TAN

Journal Article

Numerical simulation of the heat flux distribution in a solar cavity receiver

Yueshe WANG, Xunwei DONG, Jinjia WEI, Hui JIN

Journal Article