Resource Type

Journal Article 131

Year

2023 12

2022 10

2021 8

2020 7

2019 10

2018 5

2017 10

2016 7

2015 6

2014 6

2013 6

2012 5

2011 7

2010 3

2009 5

2008 4

2007 8

2005 2

2003 1

2001 2

open ︾

Keywords

life cycle assessment 10

life cycle 9

Life cycle assessment 3

China 2

Miller cycle 2

Simulation 2

carbon emission 2

cell cycle 2

control 2

irreversibility 2

nuclear fuel cycle 2

3-AB 1

Eucommia 1

Alternative water resources 1

Arctic Ocean 1

Asbestos 1

Battery sizing 1

Bibliometrics 1

Biogeochemical cycle 1

open ︾

Search scope:

排序： Display mode:

Dynamic simulation of a space gas-cooled reactor power system with a closed Brayton cycle

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 916-929 doi: 10.1007/s11708-021-0757-9

Abstract: Space nuclear reactor power (SNRP) using a gas-cooled reactor (GCR) and a closed Brayton cycle (CBC)

Keywords： gas-cooled space nuclear reactor power     closed Brayton cycle     system startup and shutdown     positive reactivity    

HTML PDF Collect

Exergetic sustainability evaluation and optimization of an irreversible Brayton cycle performance

Mohammad H. AHMADI,Mohammad-Ali AHMADI,Esmaeil ABOUKAZEMPOUR,Lavinia GROSU,Fathollah POURFAYAZ,Mokhtar BIDI

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 399-410 doi: 10.1007/s11708-017-0445-y

Abstract: This paper presents a thermodynamical study of an irreversible Brayton cycle with the aim of optimizingthe performance of the Brayton cycle.entropy generation, the energy, the exergy output, and the exergy efficiencies for the irreversible Braytoncycle are considered in the analysis.

Keywords： entropy generation     exergy     Brayton cycle     ecological function     irreversibility    

HTML PDF Collect

Preliminary design of an SCO conversion system applied to the sodium cooled fast reactor

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 832-841 doi: 10.1007/s11708-021-0777-5

Abstract: The supercritical carbon dioxide (SCO2) Brayton cycle has become an ideal power conversionThe performance of different SCO2 Brayton cycle systems and changes in key equipment performanceThe study indicates that the inter-stage cooling and recompression cycle has the best match with theheat source characte-ristics of the SFR, and the cycle efficiency is the highest (40.7%).load cycle of the power plant is studied.

Keywords： sodium-cooled fast reactor (SFR)     supercritical carbon dioxide (SCO2)     brayton cycle     loadcycle    

HTML PDF Collect

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: Hence, 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 distinctiveFurthermore, the difference between product life cycle and production life cycle is summarized, and theeffect 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    

HTML PDF Collect

Analysis on carbon emission reduction intensity of fuel cell vehicles from a life-cycle perspective

Frontiers in Energy doi: 10.1007/s11708-023-0909-1

Abstract: This paper evaluated the life-cycle cost and carbon emission of hydrogen energy via lots of field surveys

Keywords： hydrogen energy     life-cycle assessment (LCA)     fuel cell vehicle     carbon emission     energy cost    

HTML PDF Collect

Improvement of the cascading closed loop cycle system

ZHANG Guoqiang, CAI Ruixian

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 341-346 doi: 10.1007/s11708-007-0051-5

Abstract: Aspen Plus was used to simulate and get more information about the cascading closed loop cycle (CCLC)by the CCLC, both qualitative and quantitive comparisons between the system and simple steam Rankine cycleA better cycle scheme and pressure distribution was proposed to raise the efficiency of the CCLC.
HTML PDF Collect

State-of-the-art applications of machine learning in the life cycle of solid waste management

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 4, doi: 10.1007/s11783-023-1644-x

Abstract:

● State-of-the-art applications of machine learning (ML) in solid waste (SW) is presented.

Keywords： Machine learning (ML)     Solid waste (SW)     Bibliometrics     SW management     Energy utilization     Life cycle    

HTML PDF Collect

Sulfur cycle as an electron mediator between carbon and nitrate in a constructed wetland microcosm

Wenrui Guo, Yue Wen, Yi Chen, Qi Zhou

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 4, doi: 10.1007/s11783-020-1236-y

Abstract: . • S cycle transferred electrons between organics and NO3‒ with an efficiency of 15%.A constructed wetland microcosm was employed to investigate the sulfur cycle-mediated electron transferThe overall electron transfer efficiency of the sulfur cycle for autotrophic denitrification was 15.3%Thiohalobacter, Thiobacillus, Sulfuritalea, and Sulfurisoma), which jointly fulfilled a sustainable sulfur cycle

Keywords： Constructed wetland     Sulfur cycle     Electron transfer     Denitrification    

HTML PDF Collect

Life-cycle cost analysis of optimal timing of pavement preservation

Zilong WANG,Hao WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1,   Pages 17-26 doi: 10.1007/s11709-016-0369-3

Abstract: This study developed an integrated life-cycle cost analysis (LCCA) model to quantify the impact of pavement

Keywords： pavement preservation     life-cycle cost analysis     agency cost     vehicle operation cost    

HTML PDF Collect

Performance analysis of cogeneration systems based on micro gas turbine (MGT), organic Rankine cycleand ejector refrigeration cycle

Zemin BO, Kai ZHANG, Peijie SUN, Xiaojing LV, Yiwu WENG

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 54-63 doi: 10.1007/s11708-018-0606-7

Abstract: The systems are MGT (micro gas turbine) + ORC (organic Rankine cycle) for electricity demand, MGT+ ERC(ejector refrigeration cycle) for electricity and cooling demand, and MGT+ ORC+ ERC for electricityThe results show that under the design condition, when using R600 in the bottoming cycle, the MGT+ ORCthree cogeneration systems can be effectively improved under off-design condition because the bottoming cycle

Keywords： cogeneration system     different working fluids     micro gas turbine (MGT)     organic Rankine cycle (ORC)     ejectorrefrigeration cycle (ERC)    

HTML PDF Collect

Co-hydrotreating light cycle oil-canola oil blends

Huali WANG, Hena FAROOQI, Jinwen CHEN

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 1,   Pages 64-76 doi: 10.1007/s11705-015-1504-8

Abstract: Canola oil and light cycle oil (LCO) blends were co-hydrotreated over a commercial hydrotreating catalyst

Keywords： hydrotreating     co-hydrotreating     co-processing     canola oil     light cycle oil (LCO)    

HTML PDF Collect

Life cycle cost savings analysis on traditional drainage systems from low impact development strategies

Pengfei ZHANG, Samuel T. ARIARATNAM

Frontiers of Engineering Management 2021, Volume 8, Issue 1,   Pages 88-97 doi: 10.1007/s42524-020-0063-y

Abstract: that the application of both LID methods to existing projects can save an average of 27.2% in life cycle

Keywords： low impact development     traditional drainage system     hydraulic benefits     life-cycle cost    

HTML PDF Collect

Life-cycle assessment and techno-economic analysis of the production of wood vinegar from stem: a case

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1109-1121 doi: 10.1007/s11705-022-2296-2

Abstract: This research undertook a case study of the life-cycle assessment and techno-economic analysis of the

Keywords： life-cycle assessment     techno-economic analysis     wood vinegar     activated carbon     Eucommia    

HTML PDF Collect

Life cycle carbon emission assessment of a multi-purpose university building: A case study of Sri Lanka

Ramya KUMANAYAKE, Hanbin LUO

Frontiers of Engineering Management 2018, Volume 5, Issue 3,   Pages 381-393 doi: 10.15302/J-FEM-2018055

Abstract:

Buildings are known to significantly affect the global carbon emissions throughout their life cycleThis paper presents a process-based life cycle assessment methodology for assessing carbon emissionsThe entire cradle-to-grave building life cycle was assessed and the life span of the building was assumedThe life cycle carbon emissions of the building were found to be 31.81 kg·m−2 COAlthough the other life cycle stages only contributed to about 5.19% of the life cycle carbon emissions

Keywords： carbon emission     life cycle assessment     buildings     sustainable construction     Sri Lanka    

HTML PDF Collect

Carbon emission analysis of a residential building in China through life cycle assessment

Yin ZHANG,Xuejing ZHENG,Huan ZHANG,Gaofeng CHEN,Xia WANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 150-158 doi: 10.1007/s11783-014-0684-7

Abstract: In this paper, a quantitative life cycle model for carbon emission accounting was developed based onthe life cycle assessment (LCA) theory.and maintenance phase and material production phase are the most significant contributors to the life cyclelight of LCA, and if service life of a building increases, its carbon emissions during the whole life cycle

Keywords： life cycle assessment     carbon emission     factor influence analysis    

HTML PDF Collect

Title Author Date Type Operation

Dynamic simulation of a space gas-cooled reactor power system with a closed Brayton cycle

Journal Article

Exergetic sustainability evaluation and optimization of an irreversible Brayton cycle performance

Mohammad H. AHMADI,Mohammad-Ali AHMADI,Esmaeil ABOUKAZEMPOUR,Lavinia GROSU,Fathollah POURFAYAZ,Mokhtar BIDI

Journal Article

Preliminary design of an SCO conversion system applied to the sodium cooled fast reactor

Journal Article

A comparison of production system life cycle models

Rajesh ATTRI, Sandeep GROVER

Journal Article

Analysis on carbon emission reduction intensity of fuel cell vehicles from a life-cycle perspective

Journal Article

Improvement of the cascading closed loop cycle system

ZHANG Guoqiang, CAI Ruixian

Journal Article

State-of-the-art applications of machine learning in the life cycle of solid waste management

Journal Article

Sulfur cycle as an electron mediator between carbon and nitrate in a constructed wetland microcosm

Wenrui Guo, Yue Wen, Yi Chen, Qi Zhou

Journal Article

Life-cycle cost analysis of optimal timing of pavement preservation

Zilong WANG,Hao WANG

Journal Article

Performance analysis of cogeneration systems based on micro gas turbine (MGT), organic Rankine cycleand ejector refrigeration cycle

Zemin BO, Kai ZHANG, Peijie SUN, Xiaojing LV, Yiwu WENG

Journal Article

Co-hydrotreating light cycle oil-canola oil blends

Huali WANG, Hena FAROOQI, Jinwen CHEN

Journal Article

Life cycle cost savings analysis on traditional drainage systems from low impact development strategies

Pengfei ZHANG, Samuel T. ARIARATNAM

Journal Article

Life-cycle assessment and techno-economic analysis of the production of wood vinegar from stem: a case

Journal Article

Life cycle carbon emission assessment of a multi-purpose university building: A case study of Sri Lanka

Ramya KUMANAYAKE, Hanbin LUO

Journal Article

Carbon emission analysis of a residential building in China through life cycle assessment

Yin ZHANG,Xuejing ZHENG,Huan ZHANG,Gaofeng CHEN,Xia WANG

Journal Article