Lorenzo Riva, H. K. Nielsen, Therese Videm Buø, Hewen Zhuo, Q. Yang, Haiping Yang, Ø. Skreiberg, Liang Wang, P. Bartocci, M. Barbanera, F. Fantozzi
{"title":"LCA Analysis of Biocarbon Pellet Production to Substitute Coke","authors":"Lorenzo Riva, H. K. Nielsen, Therese Videm Buø, Hewen Zhuo, Q. Yang, Haiping Yang, Ø. Skreiberg, Liang Wang, P. Bartocci, M. Barbanera, F. Fantozzi","doi":"10.12783/dteees/iceee2019/31754","DOIUrl":"https://doi.org/10.12783/dteees/iceee2019/31754","url":null,"abstract":"Biocarbon is a promising alternative to fossil reductants for decreasing greenhouse gas emissions and increasing sustainability of the metallurgical industry. In comparison to conventional reductants (i.e., coke and coal), biocarbon has low density, poor mechanical strength and high reactivity. Densification is an efficient way to upgrade biocarbon and improve its undesirable properties. In this study, woody biocarbon is compressed into pellets using pyrolysis oils as a binder. In fact both pyrolysis oils and charcoal can be produced through the slow pyrolysis process and represent respectively the liquid product and the solid product. Pyrolysis gases can be used to sustain the process. Mass and energy balance of the biocarbon pelletization process are calculated and used to implement a LCA analysis. Final use of the produced biocarbon will be in the silicon industry in Norway.","PeriodicalId":11324,"journal":{"name":"DEStech Transactions on Environment, Energy and Earth Sciences","volume":"87 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79972627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"State of Charge Estimation for a Series Connected Lithium Ion Supercapacitor Module","authors":"Xiaojun Zhang, Xiaoyu Li, Jindong Tian, Yong Tian, Yuanzhi Liang","doi":"10.12783/dteees/iceee2019/31799","DOIUrl":"https://doi.org/10.12783/dteees/iceee2019/31799","url":null,"abstract":"In this paper, a state of charge estimation method for a series connected lithium ion supercapacitor module is carried out. Lithium ion supercapacitor module is modeled by an equivalent circuit model. The state of charge of the cell is estimated based on the extended Kalman filter. Considering the inconsistency of the cells in the module, a module level SOC estimation method is proposed based on a weighting factor strategy. According to the experimental results, the error of the supercapacitor module SOC estimation method is less than 4%.","PeriodicalId":11324,"journal":{"name":"DEStech Transactions on Environment, Energy and Earth Sciences","volume":"29 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81290426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Arvind Sharma, M. Kolhe, Nils Ulltveit-Moe, Kapil Muddineni, A. Mudgal, S. Garud
{"title":"Performance Analysis of Institutional Hybrid Energy System for Electrical Energy Tariffs","authors":"Arvind Sharma, M. Kolhe, Nils Ulltveit-Moe, Kapil Muddineni, A. Mudgal, S. Garud","doi":"10.12783/dteees/iceee2019/31812","DOIUrl":"https://doi.org/10.12783/dteees/iceee2019/31812","url":null,"abstract":"The operation of hybrid energy system is influenced not only by the availability of the local energy resources, but also due to the market energy pricings. In this work, a typical institutional hybrid energy system of TERI’s Retreat building, India is selected for evaluating the performance by considering Time-of-Use (ToU) tariff, and with and without distributed generator. The considered hybrid system consists of PV, battery and grid connectivity for meeting the institutional load demand. The real-time operation data of one year is used to analyze battery energy throughput with contribution from the distributed generator specially during the grid outage period. It is observed that effective use of ToU energy tariff can significantly improve the local PV utilization and operation of energy storage within the hybrid energy system.","PeriodicalId":11324,"journal":{"name":"DEStech Transactions on Environment, Energy and Earth Sciences","volume":"120 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89229150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Research on Lightweight Carbon Fiber Roof of a Blade Electric Vehicle","authors":"Guangcai Tang, W. Jun, A. Tang","doi":"10.12783/dteees/iceee2019/31765","DOIUrl":"https://doi.org/10.12783/dteees/iceee2019/31765","url":null,"abstract":"The static collapse model of carbon fiber composite material and steel roof of a domestic blade electric vehicle was established respectively through the finite element software--Hyperworks. The relationship between the pressure of the pressure plate and the collapse depth of the roof was calculated by using the ls-dyna solver. The results show that the carbon fiber composite has better protection to passengers than the steel roof, and has achieved obvious lightweight effect. In order to obtain the optimal protective layer method for the occupant, the static crushing simulation comparison was carried out on the composite roof of four classical layer methods [0/45/-45/90]2s, [0/90/45/- 45]2s, [45/45/0/90]2s and [45/45 /90/0]2s, the results showed that the [45/-45/90/0]2s method is superior to others as adopted in the layer mode.","PeriodicalId":11324,"journal":{"name":"DEStech Transactions on Environment, Energy and Earth Sciences","volume":"74 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80612887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Sustainable Development through Natural Gas Network Development in India","authors":"A. Rawat, Sumeet Gupta, T. J. Rao","doi":"10.12783/dteees/iceee2019/31732","DOIUrl":"https://doi.org/10.12783/dteees/iceee2019/31732","url":null,"abstract":"Natural gas has been gaining popularity as a fuel for the next century across the globe. The Indian government has been pushing to boost the natural gas share in the energy mix to 15% by 2030. City Gas Distribution (CGD) plays a crucial role in meeting the set target as the Indian government has given it a tag of priority sector. The Indian Government has been aggressively expanding the CGD footprints across India by conducting the bidding rounds for new Geographic Areas (GAs). This paper provides a comprehensive review of city gas distribution and delivers insights on developing a sustainable natural gas business in India.","PeriodicalId":11324,"journal":{"name":"DEStech Transactions on Environment, Energy and Earth Sciences","volume":"49 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80716007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Study on Regenerative Braking Control Strategy for the Dual-axle Distributed Drive Electric Vehicles","authors":"Zeyu Chen, Yifeng Zhao, X. Cai, Zhen Wang","doi":"10.12783/dteees/iceee2019/31727","DOIUrl":"https://doi.org/10.12783/dteees/iceee2019/31727","url":null,"abstract":"Regenerative braking technology, as a remarkable feature of electric vehicles, can effectively alleviate the driver’s operation burden and extend the driving range. In this paper, a novel regenerative braking strategy is proposed for electric vehicles. First, the brake force distribution relationship of front and rear wheels is studied for enough brake safety. Then an optimal algorithm based on multiple constraints and brake safety is proposed to achieve maximum recover energy. Finally, comparing with the series ECE regulation strategy, the proposed strategy is demonstrated that the enables achieve maximum energy recovery under different driving cycles. Energy recovery rate of the proposed algorithm is improved by 8.40%, 3.84% and 4.09%.","PeriodicalId":11324,"journal":{"name":"DEStech Transactions on Environment, Energy and Earth Sciences","volume":"160 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74588817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"State Estimation Method of Lithium-ion Battery Based on Electro-thermal Model and Strong Tracking Particle Filter","authors":"Chunyu Wang, N. Cui, Changlong Li","doi":"10.12783/dteees/iceee2019/31802","DOIUrl":"https://doi.org/10.12783/dteees/iceee2019/31802","url":null,"abstract":"Accurate estimation of battery state is crucial for battery management system. Lithium-ion battery is a complex electrochemical system with coupled electrothermal characteristics and strong nonlinearity. Therefore a state estimation method based on electrothermal model and strong tracking particle filter is proposed in this article. The calorimetric method is employed to realize fast identification for thermal model parameter. By introducing strong tracking filter into particle filter, an estimator based on strong tracking particle filter is proposed to improve the estimation accuracy and tracking capability of saltatory state. The simulation and experiments are conducted to verify the performance of proposed method under dynamic characterization schedules.","PeriodicalId":11324,"journal":{"name":"DEStech Transactions on Environment, Energy and Earth Sciences","volume":"17 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86913909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Matching Analysis and Optimization Design of Energy-saving Intelligent Electro-hydraulic Hybrid Steering System","authors":"Guobiao Shi, Qian Zhou, Shuai Wang, Chengyun Ju","doi":"10.12783/dteees/iceee2019/31739","DOIUrl":"https://doi.org/10.12783/dteees/iceee2019/31739","url":null,"abstract":"Based on the modeling of 2DOF vehicle, energysaving intelligent EHHS system and controller, the influence of different parameters on the vehicle steering performance is studied and then the most important parameters are determined. To establish the stability criteria, the road feeling and steering sensitivity transfer function are derived. Next, the optimization model is put forward, and the genetic algorithm is used to optimize the important parameters of EHHS system. The simulation results show that the optimization design improves the steering performance of the steering system while ensuring the stability of the system.","PeriodicalId":11324,"journal":{"name":"DEStech Transactions on Environment, Energy and Earth Sciences","volume":"85 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85065324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Life Cycle Water Use for Oxy Fuel Combustion Power Generation with CO2 Capture and Storage","authors":"M. Jalal, Q. Yang, Chen Mengxi","doi":"10.12783/dteees/iceee2019/31758","DOIUrl":"https://doi.org/10.12783/dteees/iceee2019/31758","url":null,"abstract":"The water scarcity is becoming a growing concern. Regarded as a potential CO emission mitigation technology for coal-fired power plants, oxy-fuel combustion, a typical CCS technology, theoretically consumes a large amount of water, which increases the severity of the water scarcity. Therefore, revealing the water use of oxy-fuel coal-fired power plants is of great importance for the deployment of CCS technologies under water resource constraint in the future. In this respect, the aim of this study is to evaluate the life cycle water use of oxy-fuel CO capture, transport and storage via a 600 MW coal fired oxy-fuel power plant in China. By using a tiered hybrid life cycle assessment, both direct and indirect water use are calculated. Results show 22.9L H O/kg of CO and the oxy-fuel power plant stage dominates the total water use, while the water intensity for power generation is calculated as 3233.3 L H O/MWh, which is higher than the conventional power plants. Sensitivity analysis is performed in this research and indicates that the variation of tap water use affects the water intensity immensely. Furthermore, the use of the membrane method for air separation decreases the overall water use 14.21% respectively. China is continually increasing its efforts to reduce carbon emissions due to both domestic and international pressure. Hence the development and implement of the CCS technology is of great urgency. At the end of this study possible solutions such as using wasted or discarded wind power for the separation of oxygen to minimize water use in oxy-fuel power plant stage are put forward.","PeriodicalId":11324,"journal":{"name":"DEStech Transactions on Environment, Energy and Earth Sciences","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90108765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sijia Yang, Jiuchun Jiang, Caiping Zhang, Weige Zhang, Yang Gao
{"title":"A Novel State-of-charge Correction and Online Capacity Estimation for Lithium-ion Batteries in Full Life Cycle","authors":"Sijia Yang, Jiuchun Jiang, Caiping Zhang, Weige Zhang, Yang Gao","doi":"10.12783/dteees/iceee2019/31819","DOIUrl":"https://doi.org/10.12783/dteees/iceee2019/31819","url":null,"abstract":"In this paper, a novel online state-of-charge (SOC) correction approach in terms of utilizing only the Ampere-hour (Ah) counting is proposed. The method include updating the battery maximum capacity and a SOC modification and is verified on both fresh and degradation batteries. The algorithm presents reasonable results and is able to modify the SOC to an accuracy within ±3% for full life cycle, which has potential for real application in regular maintenance of hybrid electric vehicles.","PeriodicalId":11324,"journal":{"name":"DEStech Transactions on Environment, Energy and Earth Sciences","volume":"425 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85825573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}