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A rank-based multiple-choice secretary algorithm for minimising microgrid operating cost under uncertainties

Frontiers in Energy 2023, Volume 17, Issue 2,   Pages 198-210 doi: 10.1007/s11708-023-0874-8

Abstract: The increasing use of distributed energy resources changes the way to manage the electricity system.electricity generators have established their own microgrids, which increases the use of renewable energynew challenge to the management of the microgrid system from the mismatch and unknown of renewable energysecretary algorithm (RMSA) was proposed for microgrid management, to reduce the microgrid operating costThe RMSA enables a microgrid to reduce the operating cost by determining the best electricity purchase

Keywords： energy management systems     demand response     scheduling under uncertainty     renewable energy sources     multiple-choice    

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Redox flow batteries—Concepts and chemistries for cost-effective energy storage

Matthäa Verena HOLLAND-CUNZ, Faye CORDING, Jochen FRIEDL, Ulrich STIMMING

Frontiers in Energy 2018, Volume 12, Issue 2,   Pages 198-224 doi: 10.1007/s11708-018-0552-4

Abstract: Electrochemical energy storage is one of the few options to store the energy from intermittent renewableenergy sources like wind and solar.Redox flow batteries (RFBs) are such an energy storage system, which has favorable features over otherHowever, because of their low energy-density, low power-density, and the cost of components such as redoxand capital cost.

Keywords： electrochemical energy storage     redox flow battery     vanadium    

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Low-cost green building practice in China: Library of Shandong Transportation College

Yingxin ZHU, Borong LIN, Bin YUAN,

Frontiers in Energy 2010, Volume 4, Issue 1,   Pages 100-105 doi: 10.1007/s11708-009-0072-3

Abstract: ranked 1st in the 2nd National Green Buildings Innovation Award in China in March 2007 due to its low costand climate-oriented green strategy during its design and construction phase, including land saving, energy21.8 W/m for space cooling and heating, respectively, much lower than the newly issued Chinese energyThe total initial cost for the building with the above mentioned integrated technologies was only RMBsquare meter, which was worth spending in China due to the climatic adaptability and the relative low cost

Keywords： green building     low cost technique     energy efficiency     integrated strategy    

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Levelized costs of the energy chains of new energy vehicles targeted at carbon neutrality in China

Frontiers of Engineering Management 2022, Volume 9, Issue 3,   Pages 392-408 doi: 10.1007/s42524-022-0212-6

Abstract: The diffusion of new energy vehicles (NEVs), such as battery electric vehicles (BEVs) and fuel cell vehiclesThe cost of energy chains is an important factor in the diffusion of NEVs.the diffusion of NEVs, little work has been conducted to analyze the life cycle costs of different energyThe levelized costs of three typical carbon-neutral energy chains are investigated using the life cyclecost model and considering the technological learning effect.

Keywords： energy chain     new energy vehicle     internal combustion engine vehicle     life cycle cost     technological    

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Feasibility of Scaling up the Cost-Competitive and Clean Electrolytic Hydrogen Supply in China

Guangsheng Pan,Wei Gu,Zhongfan Gu,Jin Lin,Suyang Zhou,Zhi Wu,Shuai Lu,

Engineering doi: 10.1016/j.eng.2024.05.014

Abstract: Based on the incremental cost principle, we quantified the provincial and national clean hydrogen productioncost performance levels in 2030.The results indicated that this mechanism could effectively reduce the production cost of clean hydrogenProvincial cooperation via power transmission lines could further reduce the production cost to 1.72

Keywords： Low-carbon energy system     Electrolytic hydrogen     Renewables     Cost optimization and analysis    

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Benefit-based cost allocation for residentially distributed photovoltaic systems in China: A cooperative

Xi LUO, Xiaojun LIU, Yanfeng LIU, Jiaping LIU, Yaxing WANG

Frontiers of Engineering Management 2021, Volume 8, Issue 2,   Pages 271-283 doi: 10.1007/s42524-019-0083-7

Abstract: Chinese distributed PV systems has failed to meet expectations because of their irrational profit and costIn this study, the methodology for calculating the levelized cost of energy (LCOE) for PV is thoroughlyAn externality-corrected mathematical model based on Shapley value is established to allocate the costpolicies, and the utility grid should be the highly subsidized participant; (iii) the percentage of cost

Keywords： solar photovoltaic     cost allocation     cooperative game theory     Shapley value     mixed-integer linear programming     levelized cost of energy    

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Influence of infiltration on energy consumption of a winery building

Hejiang SUN, Qingxia YANG

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 110-118 doi: 10.1007/s11708-013-0293-3

Abstract: testing of a winery building in Huailai County, Hebei Province in China, the influence of infiltration on energyThe energy use simulation demonstrates that the reduction of the infiltration rate of the exterior roomsto 1/3 and the interior rooms to 1/2 could help decrease a total energy consumption of approximately20% and reduce a total energy cost of approximately $ 225000.Therefore, it has a great potential to reduce the energy consumption in this type of buildings.

Keywords： industrial building     air change rate     pressurization test method     moisture condensation method     energy cost    

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

Frontiers in Energy 2024, Volume 18, Issue 1,   Pages 16-27 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 surveysindicates that hydrogen fuel cell vehicle (FCV) has the best environmental performance but the highest energycost.However, a sufficient hydrogen supply can significantly reduce the carbon intensity and FCV energy costThe cost of FCV driving can be reduced by 39.1% in City A.

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

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Comparative cost analysis of three different anesthesia methods in gynecological laparoscopic surgery

Xiaohui Chi, Yeling Chen, Mingfeng Liao, Fei Cao, Yuke Tian, Xueren Wang

Frontiers of Medicine 2012, Volume 6, Issue 3,   Pages 311-316 doi: 10.1007/s11684-012-0205-7

Abstract:

In the current study, we assessed and evaluated the costs and benefits of three popular methods of general anesthesia practiced in our department for gynecological laparoscopic surgery in recent years. Sixty adult female patients who underwent elective gynecological laparoscopic surgery under general anesthesia were randomly divided into three groups: group V, group I and group C. In group V, anesthesia was induced intravenously with midazolam, remifentanil, propofol and vecuronium, and maintained with continuous infusion of propofol and remifentanil. In group I, anesthesia was intravenously induced with midazolam, fentanyl, propofol and vecuronium, and maintained with inhaled isoflurane and intravenous bonus of fentanyl. In group C, anesthesia was induced as in group I, but maintained with isoflurane inhalation combined with propofol-remifentanil infusion. All patients received vecuronium for muscle relaxation. Perioperative incidences of complications and total anesthesia costs for patients in all groups were recorded. In addition, postoperative satisfaction of the patients was also noted, and similar outcomes of the satisfaction were reported in all 60 patients. Although there was no statistical significance among groups, the incidence of postoperative nausea and vomiting were higher in group C, and the rates of shivering and the needs for analgesics were higher in group V. Anesthesia costs in group I were the lowest. Therefore, it is concluded that the costs of anesthesia induced with midazolam, fentanyl, propofol, vecuronium, and maintained with isoflurane, fentanyl and vecuronium are cheapest, and there is no significant difference in patients’ satisfaction and safety among the three above-mentioned methods of anesthesia in our department.

Keywords： general anesthesia     economics     cost    

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Environmental, social, and economic assessment of energy utilization of crop residue in China

Yueling ZHANG, Junjie LI, Huan LIU, Guangling ZHAO, Yajun TIAN, Kechang XIE

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 308-319 doi: 10.1007/s11708-020-0696-x

Abstract: This paper aims to discuss an environmental, social, and economic analysis of energy utilization of cropmethodologies employed to achieve this objective are environmental life cycle assessment (E-LCA), life cycle costThe replaced amounts of energy are also taken into account in the E-LCA analysis.The functional unit is defined as 1 MJ of energy produced.The investment capital cost and salary cost are collected and compared in the life cycle of the scenarios

Keywords： crop residue     life cycle assessment     life cycle cost     social life cycle assessment     energy production    

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Intelligent optimization of renewable resource mixes incorporating the effect of fuel risk, fuel cost

Deepak KUMAR,D. K. MOHANTA,M. Jaya Bharata REDDY

Frontiers in Energy 2015, Volume 9, Issue 1,   Pages 91-105 doi: 10.1007/s11708-015-0345-y

Abstract: majority of the conventional planning conducted since the last half a century has been based on the least costapproach, keeping in view the optimization of cost and reliability of power supply.Recently, renewable energy sources have found a niche in power system planning owing to concerns arisingefficacy of the proposed methodology as developing countries are also increasing the investment in green energyto increase awareness about clean energy technologies.

Keywords： modern portfolio theory     energy policy     CO2 emissions     multi-objective optimization     planning    

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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 pavementpreservation on agency cost and vehicle operation cost (VOC) and analyzed the optimal timing of preservationtraffic loading and the initial IRI value significantly affects life extension and the benefit of agency costThe benefit in VOC is one to two orders greater in magnitude as compared to the benefit in agency costtiming calculated based on VOC is always earlier than the optimal timing calculated based on agency cost

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

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Lifecycle carbon footprint and cost assessment for coal-to-liquid coupled with carbon capture, storage

Frontiers in Energy 2023, Volume 17, Issue 3,   Pages 412-427 doi: 10.1007/s11708-023-0879-3

Abstract: storage technology has the potential to reduce CO2 emissions, but its carbon footprint and costNext, the levelized cost of direct-coal-to-liquid is 648–1027 $/t of oil, whereas that of indirect-coal-to-liquidWhen coupled with the carbon capture utilization and storage technology, the levelized cost of direct-coal-to-liquidtransportation distance has the greatest impact on carbon footprint, while coal price and initial investment costsignificantly affect the levelized cost of coal-to-liquid.

Keywords： coal-to-liquid     carbon capture     utilization and storage (CCUS)     carbon footprint     levelized cost of liquid    

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Floating production storage and offloading systems’ cost and motion performance: A systems thinking application

Rini NISHANTH, Andrew WHYTE, V. John KURIAN

Frontiers of Engineering Management 2018, Volume 5, Issue 3,   Pages 357-368 doi: 10.15302/J-FEM-2018022

Abstract: thinking gives a unique opportunity to seek a balance between FPSO technical performance(s), with whole-costfit-for-use design specification options’ that address technical-motion(s), with respective life-cycle costperiods-of-time by diagnosing the problem-at-hand; namely, assessing the antecedents of life-cycle costbeen performed to generate FPSO motion in six degrees of freedom using SESAM DeepC, while life-cycle costLCCA data has been generated to compare the cost of such different mooring options/hull conditions over

Keywords： FPSO     LCCA     spread/turret-mooring     DeepC     cost     motion     soft-systems    

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The German Energiewende and its roll-out of renewable energies: An economic perspective

Sebastian KREUZ, Felix MÜSGENS

Frontiers in Energy 2017, Volume 11, Issue 2,   Pages 126-134 doi: 10.1007/s11708-017-0467-5

Abstract: transition of a large and mostly thermal electricity system towards electricity generation from renewable energy

Keywords： electricity system     renewable energy     cost-benefit analysis    

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Title Author Date Type Operation

A rank-based multiple-choice secretary algorithm for minimising microgrid operating cost under uncertainties

Journal Article

Redox flow batteries—Concepts and chemistries for cost-effective energy storage

Matthäa Verena HOLLAND-CUNZ, Faye CORDING, Jochen FRIEDL, Ulrich STIMMING

Journal Article

Low-cost green building practice in China: Library of Shandong Transportation College

Yingxin ZHU, Borong LIN, Bin YUAN,

Journal Article

Levelized costs of the energy chains of new energy vehicles targeted at carbon neutrality in China

Journal Article

Feasibility of Scaling up the Cost-Competitive and Clean Electrolytic Hydrogen Supply in China

Guangsheng Pan,Wei Gu,Zhongfan Gu,Jin Lin,Suyang Zhou,Zhi Wu,Shuai Lu,

Journal Article

Benefit-based cost allocation for residentially distributed photovoltaic systems in China: A cooperative

Xi LUO, Xiaojun LIU, Yanfeng LIU, Jiaping LIU, Yaxing WANG

Journal Article

Influence of infiltration on energy consumption of a winery building

Hejiang SUN, Qingxia YANG

Journal Article

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

Journal Article

Comparative cost analysis of three different anesthesia methods in gynecological laparoscopic surgery

Xiaohui Chi, Yeling Chen, Mingfeng Liao, Fei Cao, Yuke Tian, Xueren Wang

Journal Article

Environmental, social, and economic assessment of energy utilization of crop residue in China

Yueling ZHANG, Junjie LI, Huan LIU, Guangling ZHAO, Yajun TIAN, Kechang XIE

Journal Article

Intelligent optimization of renewable resource mixes incorporating the effect of fuel risk, fuel cost

Deepak KUMAR,D. K. MOHANTA,M. Jaya Bharata REDDY

Journal Article

Life-cycle cost analysis of optimal timing of pavement preservation

Zilong WANG,Hao WANG

Journal Article

Lifecycle carbon footprint and cost assessment for coal-to-liquid coupled with carbon capture, storage

Journal Article

Floating production storage and offloading systems’ cost and motion performance: A systems thinking application

Rini NISHANTH, Andrew WHYTE, V. John KURIAN

Journal Article

The German Energiewende and its roll-out of renewable energies: An economic perspective

Sebastian KREUZ, Felix MÜSGENS

Journal Article