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Performance evaluation of an improved biomass-fired cogeneration system simultaneously using extraction

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 321-335 doi: 10.1007/s11708-021-0741-4

Abstract: An advanced cogeneration system based on biomass direct combustion was developed and its feasibilityIn place of the traditional single heat source (extraction steam), the extraction steam from the turbinewere collectively used for producing district heat in the new scheme.Once the biomass feed rate and net thermal production remain constant, an increment of 1.36 MW can beexpected in the net electric production, because of the recommended upgrading.

Keywords： biomass-fired cogeneration     district heat production system     absorption heat pump     extraction steam    

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A district heating system based on absorption heat exchange with CHP systems

Lin FU, Yan LI, Yi JIANG, Shigang ZHANG,

Frontiers in Energy 2010, Volume 4, Issue 1,   Pages 77-83 doi: 10.1007/s11708-010-0022-0

Abstract: , a district heating system is presented in this paper based on absorption heat exchange in the cogenerationsystem named Co-ah cycle, which means that the cogeneration system is based on absorption heat exchangeIn substations of the heating system, the temperature of return water of primary heat network is reducedMoreover, by recovering the exhausted heat from the condensers, the capacity of the district heatingsystem and the energy efficiency of the combined heat and power system (CHP system) are highly developed

Keywords： cogeneration     district heating     absorption heat exchange     Co-ah cycle    

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Optimizing environmental insulation thickness of buildings with CHP-based district heating system based

Yumei ZHANG, Pengfei JIE, Chunhua LIU, Jing LI

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 613-628 doi: 10.1007/s11708-020-0700-5

Abstract: The increase of insulation thickness (IT) results in the decrease of the heat demand and heat mediumBesides, a case study was conducted based on a residential community with a combined heat and power (CHP)-based district heating system (DHS) in Tianjin, China.Moreover, the effect of IT on heat demand, heat medium temperature, exhaust heat, extracted heat, coal

Keywords： optimum environmental insulation thickness     heat medium temperature     energy grade     extracted heat     exhaustheat    

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Combined heat and power plant integrated with mobilized thermal energy storage (M-TES) system

Weilong WANG, Yukun HU, Jinyue YAN, Jenny NYSTR?M, Erik DAHLQUIST

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 469-474 doi: 10.1007/s11708-010-0123-9

Abstract: District heating (DH) is used to supply heat to areas with high energy demand.The mobilized thermal energy storage (M-TES) system is an alternative source of heat for detached buildingsIn this paper, the integration of a combined heat and power (CHP) plant and an M-TES system is analyzedand heat output in the CHP plant.The performance of the M-TES system is likewise discussed.

Keywords： Mobilized thermal energy system     district heating     thermal energy storage     combined heat and power     detached    

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Experimental investigation and feasibility analysis of a thermophotovoltaic cogeneration system in high-temperatureproduction processes

Jianxiang WANG, Hong YE, Xi WU, Hujun WANG, Xiaojie XU

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 146-154 doi: 10.1007/s11708-013-0253-y

Abstract: The experimental - characteristics of a Si cell module in a thermophotovoltaic (TPV) system were investigatedtemperature increases from 1273 to 1573 K, leading to a suppressed increase of the output power of the systemof TPV cogeneration systems with the SiC or Yb O radiator using industrial high-temperature waste heatThe system electrical efficiency could reach 3.1% with a Yb O radiator at 1573 K.The system cost and investment recovery period are 6732 EUR/kWel and 14 years, respectively.

Keywords： thermophotovoltaic (TPV)     industrial waste heat     ytterbium oxide     system efficiency    

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Major applications of heat pipe and its advances coupled with sorption system: a review

Yang YU, Guoliang AN, Liwei WANG

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 172-184 doi: 10.1007/s11708-019-0610-6

Abstract: Heat pipe utilizes continuous phase change process within a small temperature drop to achieve high thermalIn addition to some typical applications of thermal control and heat recovery, the heat pipe technologycombined with the sorption technology could efficiently improve the heat and mass transfer performancepipe technology for continuous heat transfer.and the advances in heat pipe type sorption system.

Keywords： heat pipe     sorption system     heat transfer     solid sorption heat pipe    

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Energy efficiency and carbon dioxide emissions reduction opportunities in district heating source in

Gaofeng CHEN, Xuejing ZHENG, Lin CONG

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 285-295 doi: 10.1007/s11708-012-0197-7

Abstract: Energy consumption for heat supply is huge.Tianjin Municipal Government is planning to establish an energy efficiency trading platform for districtThis paper presented an in-depth analysis of the district heating industry in Tianjin municipality, andanalyzing the dataset and referring to the related standards, method of determining the baseline for district

Keywords： district heating     energy efficiency     baseline     carbon abatement    

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Optimization model analysis of centralized groundwater source heat pump system in heating season

Shilei LU,Yunfang QI,Zhe CAI,Yiran LI

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 343-361 doi: 10.1007/s11708-015-0372-8

Abstract: The ground-water heat-pump system (GWHP) provides a high efficient way for heating and cooling whileof scientific guidance for operating control strategy, the coefficient of performance (COP) of the systemFirst, the groundwater thermal transfer calculation under slow heat transfixion and transient heat transfixionwas established by calculating the heat transfer simulation software Flow Heat and using correctionFinally, a field test on a GWHP system in Beijing was conducted and the model was applied.

Keywords： optimization model     groundwater source heat pump system     theoretical analysis     example verification     heating    

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A comparison of production system life cycle models

Rajesh ATTRI, Sandeep GROVER

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 305-311 doi: 10.1007/s11465-012-0332-5

Abstract: A production system is required to adapt to changing markets, but such requirement entails higher costHence, analyzing different life cycle models of the production system is necessary.In this paper, different life cycle models of the production system are compared to evaluate the distinctiveeffect of product life cycle on production life cycle is explained.Finally, a production system life cycle model, along with key activities to be performed in each stage

Keywords： production system     life cycle     model     product    

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From plasma to plasmonics: toward sustainable and clean water production through membranes

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1809-1836 doi: 10.1007/s11705-023-2339-3

Abstract: with suggested directions to enhance its overall efficiency through careful selection of material and system

Keywords： water treatment     membrane-based process     plasma treatment     plasma polymerization     plasmonic     light-to-heat    

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Evaluation of the performance of a centralized ground-water heat pump system in cold climate region

Shilei LU,Zhe CAI,Li ZHANG,Yiran LI

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 394-402 doi: 10.1007/s11708-014-0310-1

Abstract: The aim of this study is to evaluate the performance of a centralized open-loop ground-water heat pump(GWHP) system for climate conditioning in Beijing with a cold climate in China.Thus, a long-time test was conducted on a running GWHP system for the heating season from December 2011The analysis of the testing data indicates that the average heat-pump coefficient of performance (COP) and the COP of the system (COPs) are 4.27 and 2.59.

Keywords： ground-water heat pump (GWHP)     actual coefficient of performance     heat transfixion    

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Integration of current identity-based district-varied health insurance schemes in China: implications

Hai-Qiang Wang, Zhi-Heng Liu, Yong-Zhao Zhang, Zhuo-Jing Luo

Frontiers of Medicine 2012, Volume 6, Issue 1,   Pages 79-84 doi: 10.1007/s11684-012-0179-5

Abstract: urban employee basic health insurance scheme, urban resident scheme, and new rural cooperative medical systemDespite their phasic success, these substantially identity-based, district-varied health insurance schemesMoreover, the reform of the “Hukou” (household register) system provides economical, official

Keywords： insurance     urban employee basic health insurance scheme     urban-resident scheme     new rural cooperative medical system    

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Water pumping analysis and experimental validation of beach well infiltration intake system in a seawatersource heat pump system

Huan ZHANG,Shu LIU,Xuejing ZHENG,Gaofeng CHEN

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 335-342 doi: 10.1007/s11708-015-0365-7

Abstract: Based on energy conservation equation and Darcy’s law, a model of beach well infiltration intake systemapplied in a seawater source heat pump system was established.The model consists of the seawater seepage and the heat transfer process.A porous medium model in a software named FLUENT was applied to simulate the seepage and the heat transfer

Keywords： water pumping analysis     experimental validation     infiltration intake system     seawater source heat pump    

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A space power system of free piston Stirling generator based on potassium heat pipe

Mingqiang LIN, Jian MOU, Chunyun CHI, Guotong HONG, Panhe GE, Gu HU

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 1-10 doi: 10.1007/s11708-019-0655-6

Abstract: The power system of a free piston Stirling generator (FPSG) based on potassium heat pipes has been developedBesides, the power system integrated with four FPSGs and potassium heat pipes was performed and the singleThe results show that this system could provide an electrical power of 300 W at an overall thermal efficiencyThus, it is concluded that this power system is feasible and will have a great prospect for future applications

Keywords： free piston Stirling generator (FPSG)     potassium heat pipe     power system     energy conversion    

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Experimental study of primary and secondary side coupling natural convection heat transfer characteristicsof the passive residual heat removal system in AP1000

Zhimin QIU, Daogang LU, Jingpin FU, Li FENG, Yuhao ZHANG

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 860-871 doi: 10.1007/s11708-021-0744-1

Abstract: Passive residual heat removal heat exchanger (PRHR HX), which is a newly designed equipment in the advancedThe primary and secondary side coupling heat transfer characteristics of the passive residual heat removalsystem (PRHRS) determine the capacity to remove core decay heat during the accidents.Therefore, it is necessary to investigate the heat transfer characteristics and develop applicable heatFor the local PRHR HX heat transfer performance, traditional natural convection correlations for both

Keywords： passive residual heat removal heat exchanger (PRHR HX)     C-shape tube     revised heat transfer correlations    

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Title Author Date Type Operation

Performance evaluation of an improved biomass-fired cogeneration system simultaneously using extraction

Journal Article

A district heating system based on absorption heat exchange with CHP systems

Lin FU, Yan LI, Yi JIANG, Shigang ZHANG,

Journal Article

Optimizing environmental insulation thickness of buildings with CHP-based district heating system based

Yumei ZHANG, Pengfei JIE, Chunhua LIU, Jing LI

Journal Article

Combined heat and power plant integrated with mobilized thermal energy storage (M-TES) system

Weilong WANG, Yukun HU, Jinyue YAN, Jenny NYSTR?M, Erik DAHLQUIST

Journal Article

Experimental investigation and feasibility analysis of a thermophotovoltaic cogeneration system in high-temperatureproduction processes

Jianxiang WANG, Hong YE, Xi WU, Hujun WANG, Xiaojie XU

Journal Article

Major applications of heat pipe and its advances coupled with sorption system: a review

Yang YU, Guoliang AN, Liwei WANG

Journal Article

Energy efficiency and carbon dioxide emissions reduction opportunities in district heating source in

Gaofeng CHEN, Xuejing ZHENG, Lin CONG

Journal Article

Optimization model analysis of centralized groundwater source heat pump system in heating season

Shilei LU,Yunfang QI,Zhe CAI,Yiran LI

Journal Article

A comparison of production system life cycle models

Rajesh ATTRI, Sandeep GROVER

Journal Article

From plasma to plasmonics: toward sustainable and clean water production through membranes

Journal Article

Evaluation of the performance of a centralized ground-water heat pump system in cold climate region

Shilei LU,Zhe CAI,Li ZHANG,Yiran LI

Journal Article

Integration of current identity-based district-varied health insurance schemes in China: implications

Hai-Qiang Wang, Zhi-Heng Liu, Yong-Zhao Zhang, Zhuo-Jing Luo

Journal Article

Water pumping analysis and experimental validation of beach well infiltration intake system in a seawatersource heat pump system

Huan ZHANG,Shu LIU,Xuejing ZHENG,Gaofeng CHEN

Journal Article

A space power system of free piston Stirling generator based on potassium heat pipe

Mingqiang LIN, Jian MOU, Chunyun CHI, Guotong HONG, Panhe GE, Gu HU

Journal Article

Experimental study of primary and secondary side coupling natural convection heat transfer characteristicsof the passive residual heat removal system in AP1000

Zhimin QIU, Daogang LU, Jingpin FU, Li FENG, Yuhao ZHANG

Journal Article