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Articles de revues sur le sujet « Evaluation of energy consumption »

Auteur : Grafiati
Publié le 4 juin 2021
Mis à jour le 30 mai 2022

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1

Li, Nan, Jing Zhao et Neng Zhu. « Building Energy Consumption Prediction Evaluation Model ». Advanced Materials Research 280 (juillet 2011) : 101–5. http://dx.doi.org/10.4028/www.scientific.net/amr.280.101.

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Building energy consumption prediction provides the possibility for regulating running condition of equipments in advance. Then the equipments will keep good movement and building energy consumption will reduce obviously. This paper built an energy consumption prediction evaluation model according to Matlab Artificial Neural Network Toolbox. The model was trained and simulated by operation data in June-September of 2008 and 2009 of a case building. Then it can be used to predict this building energy consumption by special data, such as meteorological characteristics of prediction year, operation load, operation time and energy consumption of last year. With more building samples, the model will be used in wide range of building energy consumption prediction.
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Zhao, Liang, Ruobing Liang, Jili Zhang, Liangdong Ma et Tianyi Zhao. « A new method for building energy consumption statistics evaluation : ratio of real energy consumption expense to energy consumption ». Energy Systems 5, no 4 (25 décembre 2013) : 627–42. http://dx.doi.org/10.1007/s12667-013-0111-3.

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Mu, Tian, Geng Geng, Chongjie Wang et Ran Zou. « Evaluation approach of terminal energy consumption of public buildings based on a standardized model ». Indoor and Built Environment 31, no 4 (14 février 2022) : 1066–78. http://dx.doi.org/10.1177/1420326x211054429.

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The influencing degree of different factors on terminal energy consumption of public building varies distinctly. If the actual measured terminal energy consumption is directly analyzed, the comparison basis is often inconsistent, which may lead to errors of results. In order to evaluate the energy consumption based on a unified standard, eliminating the interference of influencing factors, the standardization and revision of the measurement value of the terminal energy consumption is necessary. By considering domestic public building samples of different climate regions as research objects, this research has introduced a dimensionality reduction and integration method for evaluating influencing factors that could affect the terminal energy consumption of public buildings based on principal component and clustering analysis. Then, the quantitative mathematical expressions of the relationship between terminal energy consumptions and influencing factors were established through multiple linear regression fitting, formulating the standardized mathematical model of the terminal energy consumption of public buildings. According to the energy consumption standardized model, the evaluation approach was provided and scored based on mode analysis method. This approach can evaluate terminal energy consumption level and energy efficiency potential, analyzing the level of terminal energy consumption of public buildings in China.
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Yu, Wenhong, Shengshi Tang et Kuan Wang. « Research on Energy-saving Performance of Low-energy Consumption Green Buildings ». E3S Web of Conferences 233 (2021) : 01100. http://dx.doi.org/10.1051/e3sconf/202123301100.

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In view of the shortcomings of the current green building evaluation system, this paper present a new evaluating index for the energy saving performance of low-energy green buildings: CEC, and this paper evaluated and analyzed the energy-saving performance of green building by using CEC index.
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5

Komissarov, A. P., Y. A. Lagunova et O. A. Lukashuk. « Evaluation of Single-bucket Excavators Energy Consumption ». Procedia Engineering 150 (2016) : 1221–26. http://dx.doi.org/10.1016/j.proeng.2016.07.239.

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Kumar, Ashish, M. Q. Rafiq et Kamal Bansal. « Performance Evaluation of Energy Consumption in MANET ». International Journal of Computer Applications 42, no 2 (31 mars 2012) : 7–12. http://dx.doi.org/10.5120/5662-7692.

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Zhao, Guoyong, Chunhong Hou, Jianfang Qiao et Xiang Cheng. « Energy consumption characteristics evaluation method in turning ». Advances in Mechanical Engineering 8, no 11 (novembre 2016) : 168781401668073. http://dx.doi.org/10.1177/1687814016680737.

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Wang, Shuai. « Evaluation of China's Energy Strategy ». Advanced Materials Research 986-987 (juillet 2014) : 295–98. http://dx.doi.org/10.4028/www.scientific.net/amr.986-987.295.

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The energy problem is a matter of human survival and development of a global issue. With the deepening of the new industrialization, energy resources, climate change, environmental problems to human challenge is becoming more and more serious. In the development of China's energy consumption, energy consumption structure and the world in general there are many differences between the consumption structure, rational utilization of domestic coal resources, improve efficiency, promote the reform of energy-using way, will become China's energy industry development in the future be solved the problem. To build China's energy security system is not only the need of China's economic and social development, but also to enhance our voice and influence in the global energy affairs.
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Vassileva, Iana, Erik Dahlquist, Fredrik Wallin et Javier Campillo. « Energy consumption feedback devices’ impact evaluation on domestic energy use ». Applied Energy 106 (juin 2013) : 314–20. http://dx.doi.org/10.1016/j.apenergy.2013.01.059.

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Wu, Bin, et Qing Liu. « Research on Energy-Saving Evaluation System of Yangtze River Support Ships ». Advanced Materials Research 113-116 (juin 2010) : 969–73. http://dx.doi.org/10.4028/www.scientific.net/amr.113-116.969.

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The Yangtze River shipping industry has large energy consumption, which is China's key energy saving areas. Energy consumption of support ships occupies high proportion in the Yangtze River shipping industry. According to actual operating condition of the Yangtze River shipping support system, and the situation of energy-saving management, proposed the energy-saving targets for evaluation, and determined targets weight with theories of system engineering, and established the incentive mechanism of energy consumption in accord with energy conservation law and the related energy consumption standard, designs the energy saving assessment form in view of the ships navigation environment. Energy consumption levels can be seen by evaluating the targets.
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Tong, Yifei, Ruiwen Zhao, Wei Ye et Dongbo Li. « Research on energy efficiency evaluation for overhead crane ». Kybernetes 45, no 5 (3 mai 2016) : 788–97. http://dx.doi.org/10.1108/k-09-2015-0225.

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Purpose – Crane plays a very important role in national economy with greatly reduced labor intensity, improved production efficiency and promoted social development as an indispensable auxiliary tool and process equipment. Therefore, its energy consumption becomes an unavoidable topic and in fact, energy consumption of crane is very huge. It has been proved to be the most cost-effective way for reducing energy consumption to establish and implement new energy efficiency standard. Thus, it is necessary to analyze and evaluate the energy efficiency for overhead crane so as to propose a new energy efficiency standard. The paper aims to discuss these issues. Design/methodology/approach – In this paper, four kinds of energy consumption sources of overhead crane is considered, based on which, an energy efficiency grading model for overhead crane based on BP neural network is proposed. Second, DS evidential theory is analyzed and based on it, an energy efficiency evaluation model based on BP neural network and DS evidential theory is proposed. The evaluation procedure is discussed in detail. Then, a case is demonstrated how the evaluation is carried out. Findings – If overhead cranes with different energy consumptions need to be graded according to energy efficiency, the criterions to establish the energy efficiency labels for overhead cranes is proposed in this paper. Practical implications – The research results can provide energy efficiency standard proposal of overhead crane for relative departments to monitor the design, manufacturing and use of overhead crane. Originality/value – An energy efficiency grading model for overhead crane based on BP neural network is proposed. An energy efficiency evaluation model based on BP neural network and DS evidential theory is proposed.
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Sheu, Jer-Jia, Tong-Bou Chang et Jhong-Wei Huang. « Design and Experimental Evaluation of Low-Energy-Consumption Air-Conditioned Seat for Light Electric Vehicles ». Modern Environmental Science and Engineering 1, no 4 (20 décembre 2015) : 178–84. http://dx.doi.org/10.15341/mese(2333-2581)/04.01.2015/003.

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OZAKI, Takuya, Takuji NAKAI, Yoshiyuki SHIMOKAWA, Kosuke MATSUMOTO, Kyuya KIMURA, Atsushi IWAMOTO, Takuya SAITO et al. « 1E13 Evaluation of a steering bogie about running resistance and power consumption(Environment and Energy) ». Proceedings of International Symposium on Seed-up and Service Technology for Railway and Maglev Systems : STECH 2015 (2015) : _1E13–1_—_1E13–9_. http://dx.doi.org/10.1299/jsmestech.2015._1e13-1_.

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Konzo, Takefumi, Shingo Aoki et Hiroshi Tsuji. « DEA-based Evaluation Methodology for Domestic Energy Consumption ». IEEJ Transactions on Electronics, Information and Systems 125, no 10 (2005) : 1530–36. http://dx.doi.org/10.1541/ieejeiss.125.1530.

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Pance, Stepan, Daniel Piskac, Adam Bures, Antonin Voldrich, Maros Kovac et Bentang Arief Budiman. « Evaluation of Motorcycle Energy Consumption in Urban Traffic ». International Journal of Sustainable Transportation Technology 2, no 1 (30 avril 2019) : 27–31. http://dx.doi.org/10.31427/ijstt.2019.2.1.4.

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This paper aims to evaluate the energy consumption of motorcycle operating in urban traffic. Position, speed, and elevation in each time segment are collected by GPS - tracking data from the journey of motorcycle Honda Verza 150 in Bandung city. The distance, acceleration, and required tractive force for the motorcycle motion are then calculated. Furthermore, the energy consumption is investigated by modeling the motorcycle and calculating tractive force from the force equilibrium. For each time segment, engaged gear is then proposed for the best energy efficiency. The relationship among speed, required tractive force, and shifted gear according to time and distance are comprehensively discussed.
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Bernardo, Vitor, Vitor Fonseca, Marilia Curado et Torsten Braun. « Evaluation of Video Transmission Energy Consumption and Quality ». Wireless Personal Communications 87, no 2 (17 décembre 2015) : 565–92. http://dx.doi.org/10.1007/s11277-015-3150-3.

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Bolla, Raffaele, Roberto Bruschi, Olga M. Jaramillo Ortiz et Paolo Lago. « An Experimental Evaluation of the TCP Energy Consumption ». IEEE Journal on Selected Areas in Communications 33, no 12 (décembre 2015) : 2761–73. http://dx.doi.org/10.1109/jsac.2015.2482038.

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Motevali, Ali, Saeid Minaei et Mohammad Hadi Khoshtagaza. « Evaluation of energy consumption in different drying methods ». Energy Conversion and Management 52, no 2 (février 2011) : 1192–99. http://dx.doi.org/10.1016/j.enconman.2010.09.014.

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Li, Yanmei, et Zeng Chen. « Evaluation Index System and Evaluation Method of China’s Regional Potential for Electrical Energy Substitution ». Mathematical Problems in Engineering 2018 (9 juillet 2018) : 1–16. http://dx.doi.org/10.1155/2018/3834921.

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Electrical energy substitution is used as a national strategy to promote the energy consumption revolution, increase the proportion of electric energy in terminal energy consumption, increase the proportion of coal used for power generation in total coal consumption, increase the share of renewable energy in electricity consumption, and reduce air pollutant emissions; its importance in the national energy strategy is beyond doubt. Evaluating the potential of electrical energy substitution in various regions of China is an indispensable step in effectively carrying out electrical energy substitution. Only by clearly identifying the potential and characteristics of electrical energy substitution in each region can an effective electrical energy substitution strategy be formulated. This paper constructs a regional electrical energy substitution potential evaluation index system, based on comprehensive consideration of the influencing factors and regional differences in the potential of electrical energy substitution. The weight of each indicator is determined by a combination of cloud model and entropy method. The improved Technique for Order Preference by Similarity to an Ideal Solution (TOPSIS) evaluation model by connection degree is used to evaluate the potential of electrical energy substitution in each region. Finally, this index system and evaluation method are used to evaluate the potential of electrical energy substitution in twenty-five regions in the State Grid jurisdiction, and the evaluation results are analyzed; the effectiveness of evaluation index system and evaluation method are verified. The practical significance of this paper lies in providing important theoretical support for State Grid to implement electrical energy substitution according to local conditions.
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Miao, Handeyu, et Xianjin Zhang. « Research on Energy Consumption Evaluation Method and Energy Saving Operation Technology of Cold Storage ». Journal of Physics : Conference Series 2205, no 1 (1 février 2022) : 012003. http://dx.doi.org/10.1088/1742-6596/2205/1/012003.

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Abstract There is not yet a recognized unified energy consumption assessment and grading method on cold storage. It is not conducive to cold storage operation energy-saving management. By establishing the heat balance model of the cold storage, the energy consumption composition of the cold storage is analyzed, and then the causal diagram analysis method is used to determine the influencing factors of the energy consumption of the cold storage, and the quantitative indicators to measure the energy consumption of the cold storage are proposed. Based on the classification of energy consumption assessment methods for cold storage, five typical energy consumption assessment methods for cold storage are compared and analyzed from five aspects of quantification, evaluation index, energy efficiency level, application scope and shortcomings. It is found that to establish an energy efficiency level identification evaluation standard for cold storage recognized by the public, two conditions must be met: the appropriate energy consumption assessment method considering the differentiation of cold storage; establishment of a large database of cold storage energy consumption information. Accordingly, the ways and measures for energy saving of cold storage are proposed.
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Zhai, Shuran, et Zhaojie Zhang. « User Deep Energy Efficiency Evaluation via Load Perception and Clustering ». Journal of Physics : Conference Series 2078, no 1 (1 novembre 2021) : 012007. http://dx.doi.org/10.1088/1742-6596/2078/1/012007.

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Abstract With the constantly upgrading of the living level of urban residents, the types and quantities of domestic appliances continue to increase, and the electricity consumption behaviour is becoming more and more complex. Based on the fine-grained user energy consumption data obtained by load intelligent perception, this paper proposes a user energy efficiency evaluation method through fuzzy comprehension evaluation. First, the energy consumption characteristics at appliance level which can effectively represent energy consumption behaviour of users are designed and filtered, and then the energy efficiency evaluation strategy of appliances based on fuzzy comprehensive evaluation is established. The strategy adopts two-level fuzzy comprehensive evaluation. The first appliance-level fuzzy evaluation realizes the energy efficiency evaluation of the appliances. The second level is the comprehensive evaluation of user energy efficiency based on the appliance energy efficiency assessment, and the target users are divided into different energy efficiency levels. The measured data-based analysis results prove the effectiveness of the proposed method, and the results can guide users to optimize their electricity consumption behaviour scientifically and realize energy saving and carbon reduction.
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Xu, Binzi, Yan Wang et Zhicheng Ji. « A hierarchical energy efficiency evaluation model of numerical control workshop ». Modern Physics Letters B 31, no 19-21 (27 juillet 2017) : 1740058. http://dx.doi.org/10.1142/s0217984917400589.

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Energy consumption of numerical control (NC) workshop has lots of characteristics, such as hierarchy, multi-sources and time-varying. These characteristics make the modeling and evaluation of energy consumption in NC workshop very difficult. In this paper, a novel hierarchical model of the energy consumption in NC workshop is presented. Then, the calculation methods of energy efficiency in each layer are given. Furthermore, the acquisition method of the energy consumption data which is easily implemented is put forward and an experiment in NC workshop was made to illustrate the effectiveness of the proposed energy consumption model. The experimental results showed that the model cannot only describe the energy consumption effectively but also provide a way to identify the bottleneck of energy consumption in the workshop.
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23

Jia, Mou. « Assess Energy-Saving-Project with Two-Stage Evaluation Method ». Advanced Materials Research 524-527 (mai 2012) : 2406–10. http://dx.doi.org/10.4028/www.scientific.net/amr.524-527.2406.

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Analyzing the energy-saving-project of a company with two-stage evaluation method. Analyzing whether the energy-saving project can reduce the consumption of energy with exergy theory, and then evaluating how much money will be saved by the project. First, there must be energy resources saved, discussing the value of the saved coal mainly with the price index of coal. Second, the generation of carbon dioxide accompanies the consumption of coal. Many countries are going to or have implemented carbon taxes. The paper discusses the reduction of carbon taxes of the energy saving projects.
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HYASHI, Akio, Yuta INOUE, Ryuta SATO et Keiichi SHIRASE. « A028 Motion Path Evaluation based on Energy Consumption of Feed Drive System in NC Machine Tool ». Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2013.7 (2013) : 129–34. http://dx.doi.org/10.1299/jsmelem.2013.7.129.

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Yang, Bin, Yuan Yuan Guo, Xu Shi et Yang Yang Lu. « Research on the Energy Consumption Evaluation Model of Container Terminal Logistics System ». Applied Mechanics and Materials 157-158 (février 2012) : 1224–29. http://dx.doi.org/10.4028/www.scientific.net/amm.157-158.1224.

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In this paper, energy consumption evaluation index system of the container terminal logistics system is briefly studied. Energy consumption is divided into two parts as dynamic and static energy consumption. Then an effective energy consumption evaluation model of container terminal logistics system is established.
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He, Dong Feng, Ai Jun Xu et Hong Bing Wang. « Evaluation on Energy Consumption of Steel Enterprises Based on TOPSIS ». Applied Mechanics and Materials 58-60 (juin 2011) : 709–14. http://dx.doi.org/10.4028/www.scientific.net/amm.58-60.709.

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Evaluation on energy consumption is a key point for research of energy-saving work, and the current research mainly focuses on the energy consumption of individual processes. In order to solve the problem of energy consumption for the whole process of steel enterprise, three types of energy consumption indicators are proposed: comprehensive indicator, process energy consumption indicator and energy recovery indicator. A TOPSIS model has been established for energy consumption of steel enterprise. In order to avoid the tolerance caused by experts’ subjective consciousness, in the model, the indicator weight will be confirmed by entropy weight. Five steel enterprises were evaluated using this model. The result of evaluation is almost the same as the result of benchmarking analysis method, which has verified the availability of the model. The model has primarily solved the energy consumption problem for the whole process of steel enterprise.
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Fang, Jing Ying, Zhi Peng Li, Fang Fang Chen et Yan Hui Chen. « Water Supply Pumping Station Energy Consumption Analysis and Energy Saving Research Based on the Energy Consumption Coefficient ». Advanced Materials Research 724-725 (août 2013) : 999–1004. http://dx.doi.org/10.4028/www.scientific.net/amr.724-725.999.

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From the view point of efficiency, the energy consumption coefficient was used as the energy utilization evaluation index in a water supply pumping system, and through the comparative analysis between the energy consumption coefficient and the pump efficiency, the past pump efficiency that was used as the economic index in the system could not completely and scientifically reflect the energy utilization rate of the system, while the energy consumption coefficient could intuitively reflect conveying unit volume of liquid consumption in a water supply pumping system. Based on the theory of energy consumption coefficient, the comprehensive analysis of different energy saving methods, energy saving space estimation, and average energy consumption coefficient calculation under variable conditions of the system in a water supply pumping system can give a specific guidance scheme of energy saving to the system, and it has a guidance and reference significance to the energy saving reform in the water supply pumping system.
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Chen, Xinbo, Jian Zhong, Feng Sha et Zaimin Zhong. « Research on innovative plug-in hybrid electric vehicle comprehensive energy consumption evaluation method based on statistic energy consumption ». Science Progress 104, no 4 (octobre 2021) : 003685042110502. http://dx.doi.org/10.1177/00368504211050284.

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The plug-in hybrid electric vehicle not only has the advantages of low emissions from electric vehicles, but also takes advantage of the high specific energy and high specific power of petroleum fuels, which can significantly improve the emissions and fuel economy of traditional vehicles. Studying its comprehensive energy consumption evaluation method is an important part of analyzing the economics of plug-in hybrid electric vehicles. This paper first puts forward the concept of statistical energy consumption and then proposes an innovative calculation method of plug-in hybrid electric vehicle energy consumption based on statistical energy consumption by referring to and analyzing the energy consumption test regulations of the United States, the European Union, and China. Given the two use case assumptions of charge depleting mode priority and charge sustaining mode only, considering the fuel consumption and the energy consumption that converts electrical energy consumption to fuel consumption, the probability density function of travel mileage distribution and energy consumption is derived. Finally, the interpretation and analysis of statistical energy consumption evaluation results are carried out.
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Gorobets, L. J., et I. V. Verhorobina. « Theoretical aspects of energy consumption acoustic evaluation at the jet grinding ». Geo-Technical mechanics, no 152 (2020) : 74–86. http://dx.doi.org/10.15407/geotm2020.152.074.

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The objective of this work was to develop an acoustic method for evaluating energy consumption during the jet mill operation on the basis of the new generalized physical laws of material dispersion at it destruction. Theoretical explanation is given to the problem of energy consumption diminish in the mode of fine grinding. Dependences between the product dispersion and critical energy density in the course of destruction are described. The acoustic-emissive parameters of dispersion of the samples loaded by compression and results of acoustic estimation of the jet grinding are considered. Interrelation between the gas-jet mill performance and parameters impacting on the energy consumption are analyzed. Grounds are given for using a criterion of extremal control of the working process for maintaining maximal performance. An acoustic size effect of dispersion is formulated by the analogy with dynamic size effect of destruction (DSE). A new approach to evaluation of energy consumed by the jet mill is developed from positions of unity of nature and mechanism of the loaded body destruction with community of manifestation of physical laws of acoustic emission and effects of new surface formation on the destroyed particles. Leading role in the methodology of energy consumption evaluation is given to the coefficient gN (J/imp) of transformation of the consumed energy into acoustic radiation at optimal mode of the mill operations (at maximum performance), which is calculated as a ratio of the reduced work (energy) to the acoustic signal counts in the grinding zone. Current energy consumption ЕDt (J) for period Dt (s) of work is calculated with taking into account coefficient gN (J/imp) and average (for the interval Dt) acoustic activity (imp/s). It is possible to maintain minimum energy consumption at the jet grinding by the snap-acting control of jets loading up to the level of the measured acoustic activity in the grinding zone, at which a “conditionally permanent” value of coefficient gN can be achieved. The results of acoustic evaluation of effective surface energy at optimal grinding mode correspond to the range of estimation gs in the regularity of the DSE destruction. This fact confirms validity of the dispersion theory (including the acoustic size effect) use for evaluating current energy consumption in the course of the jet mill operation.
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Xu, Yong, Wenlin Xu, Lingqiao Zhang, Huiwen Yang et Yi Jiang. « Evaluation method of energy efficiency index of smart energy station based on subjective weight and entropy evaluation method ». MATEC Web of Conferences 355 (2022) : 02063. http://dx.doi.org/10.1051/matecconf/202235502063.

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Smart energy station plays the pivotal role of power grid in energy collection, transmission, conversion and utilization due to its characteristics of multi-station integration. In order to accurately evaluate the energy efficiency level of smart energy stations and achieve economic and efficient electricity consumption, an energy efficiency evaluation system suitable for the form of three stations in one is proposed. Firstly, the influencing factors of energy consumption of each station are analyzed, the index system of smart energy stations is established, and the calculation method of each index is given. Secondly, based on the index system of energy efficiency, through the combination of the subjective weighting method and entropy evaluation method to determine the index weight, combined with the score and weight of energy efficiency for smart energy efficiency assessment, based on three different running environment of wisdom energy station simulation comparison, get the efficiency score, verify the feasibility of the assessment method, and gives specific suggestions on saving energy consumption.
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Rashid, Md Mamun Ur, et Tadele Belay Tuli. « Analysis and Evaluation of Energy Consumption over 4G Network ». Engineering International 5, no 2 (5 mai 2018) : 45. http://dx.doi.org/10.18034/ei.v5i2.1081.

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Rashid, Md Mamun Ur, et Tadele Belay Tuli. « Analysis and Evaluation of Energy Consumption over 4G Network ». Engineering International 5, no 2 (2017) : 45–52. http://dx.doi.org/10.18034/ei.v5i2.177.

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FUJII, Shuji, Kazuhiro YUASA et Yong Shik KIM. « EVALUATION OF CO_2 EMISSION BY ENERGY CONSUMPTION IN BUILDING ». Journal of Architecture, Planning and Environmental Engineering (Transactions of AIJ) 440 (1992) : 41–48. http://dx.doi.org/10.3130/aijax.440.0_41.

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Zhang, Quan, Yufeng Chai, Xianzhong Dai, Hongyuan Ren et Jun Dong. « Benefit Evaluation of Comprehensive Energy Consumption Method for Urban ». IOP Conference Series : Earth and Environmental Science 170 (juillet 2018) : 042080. http://dx.doi.org/10.1088/1755-1315/170/4/042080.

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MURASAWA, Chihiro, et Takashi KOSUGI. « Performance Evaluation for Peltier Coolers Focused on Energy Consumption ». Proceedings of Mechanical Engineering Congress, Japan 2017 (2017) : J0330104. http://dx.doi.org/10.1299/jsmemecj.2017.j0330104.

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Menassa, Carol, Seth Mangasarian, Mounir El Asmar et Carl Kirar. « Energy Consumption Evaluation of U.S. Navy LEED-Certified Buildings ». Journal of Performance of Constructed Facilities 26, no 1 (février 2012) : 46–53. http://dx.doi.org/10.1061/(asce)cf.1943-5509.0000218.

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Marinyuk, B. T., et K. S. Krysanov. « Evaluation of Vacuum and Freon Water Cooler Energy Consumption ». Chemical and Petroleum Engineering 50, no 11-12 (mars 2015) : 796–98. http://dx.doi.org/10.1007/s10556-015-9981-7.

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Cataldo, A., R. Scattolini et T. Tolio. « An energy consumption evaluation methodology for a manufacturing plant ». CIRP Journal of Manufacturing Science and Technology 11 (novembre 2015) : 53–61. http://dx.doi.org/10.1016/j.cirpj.2015.08.001.

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Zou, Bo, Fei Yang, Jiancun Fu, Kai Wang et Fangtao Liu. « Evaluation of Energy Consumption of Typical Asphalt Pavement Structure ». IOP Conference Series : Earth and Environmental Science 804, no 4 (1 juillet 2021) : 042057. http://dx.doi.org/10.1088/1755-1315/804/4/042057.

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Qiang, Wang, Jiang Li, Wang Yunlong, Wang Guotian et Zhang peng. « Life Cycle Energy Analysis and Evaluation of Retreaded Engineering Tires ». E3S Web of Conferences 271 (2021) : 02012. http://dx.doi.org/10.1051/e3sconf/202127102012.

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In this paper, energy consumption models of retreaded engineering tires were constructed based on life cycle analysis, theoretical calculation model, and energy consumption method during the four stages of retreaded engineering tires, i.e., production, transportation, usage, and recycling stage. The energy substitute model and energy evaluation index during the recycling stage, which involves one of five classical retreaded engineering tire recycling methods, i.e., secondary retreading, mechanical smash, low-temperature smash, combustion decomposition, and combustion power generation, were presented. Life cycle energy analysis of retreaded engineering tires was conducted, and the energy consumption during the different life cycle stages was quantitatively analyzed, thus obtaining the energy restoration rate of the five classical recycling stages of retreaded engineering tires. Energy consumption analysis and energy evaluation at different stages were performed. Main conclusions indicate that the energy consumption during the production stage is the highest, and energy consumption during the transportation stage is the lowest. The energy recycling result of the secondary retreading or combustion decomposition of retreaded engineering tires is obtained.
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崔, 晶. « Review on Energy Consumption Evaluation Index and Energy Saving of University Campus ». Hans Journal of Civil Engineering 03, no 04 (2014) : 122–27. http://dx.doi.org/10.12677/hjce.2014.34015.

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Skujevska, Agnese, Marika Rosa et Agris Kamenders. « Evaluation of Energy Consumption of Municipal Buildings by Heat Energy Demand Mapping ». Energy Procedia 95 (septembre 2016) : 444–50. http://dx.doi.org/10.1016/j.egypro.2016.09.061.

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Gomez, Carles, Juan Carlos Veras, Rafael Vidal, Lluís Casals et Josep Paradells. « A Sigfox Energy Consumption Model ». Sensors 19, no 3 (7 février 2019) : 681. http://dx.doi.org/10.3390/s19030681.

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Sigfox has become one of the main Low-Power Wide Area Network (LPWAN) technologies, as it has attracted the attention of the industry, academy and standards development organizations in recent years. Sigfox devices, such as sensors or actuators, are expected to run on limited energy sources; therefore, it is crucial to investigate the energy consumption of Sigfox. However, the literature has only focused on this topic to a very limited extent. This paper presents an analytical model that characterizes device current consumption, device lifetime and energy cost of data delivery with Sigfox. In order to capture a realistic behavior, the model has been derived from measurements carried out on a real Sigfox hardware module. The model allows quantifying the impact of relevant Sigfox parameters and mechanisms, as well as frame losses, on Sigfox device energy performance. Among others, evaluation results show that the considered Sigfox device, powered by a 2400 mAh battery, can achieve a theoretical lifetime of 1.5 or 2.5 years while sending one message every 10 min at 100 bit/s or 600 bit/s, respectively, and an asymptotic lifetime of 14.6 years as the message transmission rate decreases.
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Xie, Ying, Xiufen Ma, Haifeng Ning, Zongming Yuan et Ting Xie. « Energy efficiency evaluation of a natural gas pipeline based on an analytic hierarchy process ». Advances in Mechanical Engineering 9, no 7 (juillet 2017) : 168781401771139. http://dx.doi.org/10.1177/1687814017711394.

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A long-distance natural gas pipeline system consists of considerable equipment and many pipe segments, but the conventional energy efficiency index of a natural gas pipeline is considered as a whole. Because the specific energy consumption of each unit cannot be determined, the index system is not perfect, and evaluating the energy efficiency of a natural gas pipeline system is difficult. The energy efficiency evaluation model for a natural gas pipeline was established using the analytic hierarchy process. A judgment matrix was constructed based on the energy efficiency index system of a long-distance natural gas pipeline, and the weight coefficient was calculated using the characteristic root method. Then, the consistency of the established judgment matrix was verified. The energy efficiency evaluation model successfully quantified the qualitative factors that affect natural gas pipelines. The comprehensive energy efficiency coefficient G of the natural gas pipeline was obtained from the operational data of the natural gas pipeline; then, the equipment or pipe segments with high energy consumption can be identified. The energy efficiency evaluation program of the natural gas pipeline was developed using Visual Basic for Applications, which significantly reduced the evaluation workload. The natural gas pipeline energy efficiency evaluation model is used to evaluate the energy efficiency of a natural gas pipeline, to identify the high energy consumption equipment or pipe segments, and to propose measures to improve the energy efficiency. The results show that the gas pipeline energy efficiency evaluation model and evaluation procedures can identify high energy consumption equipment or pipe sections in complex natural gas pipelines.
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Tabatabaei, Tayebeh Sadat, et Pedram Asef. « Evaluation of Energy Price Liberalization in Electricity Industry : A Data-Driven Study on Energy Economics ». Energies 14, no 22 (10 novembre 2021) : 7511. http://dx.doi.org/10.3390/en14227511.

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This study aims to evaluate the effects of price liberalization on energy consumption intensity, because price liberalization leads to improved productivity, energy consumption management, and consumption reform. Although the energy consumption of large-scale factories and industries has increased dramatically, and the energies losses have an increment in the power transmission lines, this policy can result in decreasing the energy consumption intensity due to the changes in consumption patterns. If there is a correlation between two variables, the price can be a valid variable to control cost and increase consumption efficiency. The augmented Dickey–Fuller (ADF) and the Chi-squared tests are also employed to investigate the maneuverability of these variables in the first-order contrast. In this case study, the energy consumption intensity response to price changes using the data gathered between 1988–2020, has gained a confidence interval of these reactions at 95%. The proposed vector autoregressive (VAR) model has forecasted the action and reaction of the end-user, to investigate the future shocks between 2020–2050, considering a new price shock, in the Iranian energy market for the first time. The research findings have shown that energy price liberalization leads to the energy intensity improvement, however, the end-user (shocking) reactions should be investigated to implement a more sustainable policy that eases the new energy price rises.
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Huang, Qing, Nian Ping Li, Xiao Qing Wei et Yun Sheng Jiang. « The Quota and Analysis of Comprehensive Energy Consumption per Unit for Residential Buildings in Changsha ». Key Engineering Materials 517 (juin 2012) : 858–63. http://dx.doi.org/10.4028/www.scientific.net/kem.517.858.

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Using an appropriate evaluation index for energy consumption is advantageous for evaluating energy saving effect of buildings correctly and carrying out energy-saving action reasonably. As a result, it is important to establish a practical quota of energy consumption for promoting energy-saving emission reduction. Energy consumption for residential buildings has been influenced by the behavior of residents in the building largely, and has a higher uncertainty, so it brings great difficulty to researches. Considering the characteristics of residential buildings, this paper uses comprehensive energy consumption per unit as evaluation index. Based on the investigation results and related studies, the residential buildings in Changsha are analyzed with statistical methods, in order to know more about the energy consumption level and structure for the residential buildings in Changsha. This paper shows the characteristics of the energy consumption of the residential buildings in Changsha, and work out the range of the comprehensive energy consumption per unit. The result provides a reference to make out energy policy and enhance the management of energysaving. It can be also used to guide the residents have a reasonable electric power utilization.
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Tian, Xiao Lin, Shou Gen Hu, Hong Bo Qin, Jun Zhao et Ling Yuan Ran. « Energy Consumption and Energy Saving Research Status of Air Compressor System ». Applied Mechanics and Materials 628 (septembre 2014) : 225–28. http://dx.doi.org/10.4028/www.scientific.net/amm.628.225.

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As the most widely used fourth energy, compressed air system has high operating costs. The research about energy consumption and energy optimization measures of compressed air system has become the new field to achieve energy saving among countries all over the world. In recent years, air compressor system researches in energy consumption, influence factors, energy saving technologies and energy efficiency evaluation have been carried out at home and abroad, and some achievements have been achieved. This paper summarizes energy consumption research status of air compressor system at home and abroad, and energy-saving technologies of compressed air in generation link, treatment link and gas link, and energy efficiency evaluation methods for of air compressor systems. Potentials and drawbacks of current researches are analyzed simultaneously. In the end energy-saving development directions of air compressor system are predicted.
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Ye, Xiaoning, Caixia Wang, Wei Yuan, Zhiyong Shi, Qinmiao Li et Xiaoliang Dong. « Evaluation on the Effectiveness of New Energy Market-Based Trading in Promoting New Energy Consumption ». E3S Web of Conferences 292 (2021) : 02045. http://dx.doi.org/10.1051/e3sconf/202129202045.

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In recent years, in order to promote the consumption of new energy, many regions in China have carried out new energy market-oriented trading exploration, including direct trading of new energy and large users, new energy and thermal power generation rights trading, new energy cross-provincial medium and long-term trading, new energy cross-regional spot trading, and the establishment of a peak shaving auxiliary service market. This research takes typical new energy-rich provinces as an example to quantitatively analyze the effectiveness of the typical trading mechanism of new energy consumption in promoting new energy consumption. It is an inevitable trend to promote the consumption of new energy through market-oriented transactions. Combined with the construction process of China’s power market, the market will fully play the role of optimizing the allocation of resources, accelerate the construction of a power market-oriented trading mechanism that adapts to the consumption of new energy, and further utilize the market mechanism to promote new energy the role of energy consumption.
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Cheng, Qing Lin, Zhe Li, Shuai Shao, Wei Sun et Xu Xu Wang. « The Establishment of Exergy Consumption Evaluation Index in Heated Oil Pipeline Transportation ». Applied Mechanics and Materials 401-403 (septembre 2013) : 2143–46. http://dx.doi.org/10.4028/www.scientific.net/amm.401-403.2143.

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The exergy consumption during the transportation of heated oil includes four items: valid and invalid pressure exergy consumption, valid and invalid heat exergy consumption. These four parts are taken as the same loss in traditional evaluation systems of pipeline energy consumption, which somewhat hinders the further energy-conservation study. So establishing a scientific exergy consumption evaluation system is an important basis work of energy efficiency management. Based on the index system of energy efficiency for pipeline proposed by predecessors, the meaning of energy quality for exergy and the categories of exergy flow, the energy consumption index set of exergy transfer is set up in this article. Moreover, by computing exergy consumption index of exergy transfer for an oil pipeline in Daqing Oilfield, a part of representative indexes are selected by analyzing the obtained data with correlation coefficient method. Finally, the exergy consumption evaluation system is constructed.
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Wang, Yu, Ling Dong et Hongxian Li. « Economic Evaluation of Energy-Saving Retrofit of Existing Hotels ». Energies 15, no 3 (20 janvier 2022) : 757. http://dx.doi.org/10.3390/en15030757.

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With the improvement of China’s economic strength, the energy consumption of public buildings is continually increasing, notably for hotels. The energy consumptin of a hotel accounts for more than 15% of its revenue, and the average energy consumption per floor area is more than 10 times that of urban residents. Therefore, the energy-saving retrofit of existing hotels is imperative. This study investigates the economic evaluation methods for existing hotel retrofit projects, and constructs an economic evaluation model using economic evaluation and cost-effectiveness ratio as the base. The energy-saving retrofit measures of 15 existing hotels in Jiangsu Province, China, are used as a case study to demonstrate the research framework. The results indicate that the heating, ventilation and air conditioning (HVAC) system, monitoring system, lighting system, domestic hot water system, and building envelope system are the five energy-saving retrofit technical measures with the highest application ratio. The average dynamic investment payback period of hotels in Jiangsu Province is 2.96 years, which meets the requirement of no more than 10 years specified in the energy-saving building standard. The cost-effectiveness ratio of different technologies differs significantly. Lighting and kitchen systems have the highest energy-saving efficiency, followed by monitoring systems, while HVAC and domestic hot water systems have the lowest. The research presented in this paper contributes to the economic evaluation of the energy-saving retrofit of hotels.
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