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Thermal Performance Test for Centralized Domestic Solar Water Heating System

2016 Revista Técnica de la Facultad de Ingeniería Universidad del Zulia  
testing parameters and methods for two different types of systems.  ...  description of the system's heat quantities, lack of comprehensive consideration of thermal performances, and inconsistencies between test results and actual results.  ...  In order to evaluate the practical effects of their application, more data should be acquired based on certain testing methods.  ... 
doi:10.21311/ fatcat:a4r7cphccjgqjj47nf4eb5gh34


2011 Gorûcie slancy  
The information obtained enables specialists to improve the quality of mining works by means of fuel consumption optimisation.  ...  Surface miners (further SM) can find their natural applications in projects where drilling and blasting is prohibited or where high-selective mining of mineral seams required.  ...  Fig. 3 . 3 Dependence of specific energy consumption on thickness-to-speed ratio (A). Fig. 4 . 4 Effect of cutted rock oversizing in case h/V ratio >6%.  ... 
doi:10.3176/oil.2011.1.06 fatcat:77k3kgjb7bes5fqhtfngjwbzf4

Forecast Research on the Proportion of Clean Energy Consumption in Total Energy Consumption Based on GM(1,1) Model

Wu Xin, Han Pan, Yuping Li, K.H.M. Mansur, Y. Fu
2021 E3S Web of Conferences  
Here we use the GM(1,1) model to dynamically predict the future consumption rate of clean energy.  ...  Clean energy can not only alleviate environmental problems but also contribute to rapid and sustainable development.  ...  The successful application of GM(1,1) has solved a large number of practical problems in the fields of production, life, science and technology, and the application scope has been extended to the fields  ... 
doi:10.1051/e3sconf/202125101085 fatcat:q6nbcoveojcn5hol7rvdoogkpu

An Empirical Study of the Energy Consumption of Android Applications

Ding Li, Shuai Hao, Jiaping Gui, William G.J. Halfond
2014 2014 IEEE International Conference on Software Maintenance and Evolution  
In this paper, we describe the results of our source-line level energy consumption study of 405 real-world market applications. Based on our study, we discover several interesting observations.  ...  efficiency of their applications.  ...  Fig. 4: The component level energy usage To address this question, we report the ratio of the energy consumed by eight components of a smartphone to the total non-idle energy consumption of the test applications  ... 
doi:10.1109/icsme.2014.34 dblp:conf/icsm/LiHGH14 fatcat:hlh4k6k3ffbcrhjdf756closne

Practical Diagnostic Approach of Energy Consumption of AC Systems

Weijie Zhang, Mujie Li, Bingyao Wang, Yipeng Qin
2015 Procedia Engineering  
Based on AC commissioning principle, a practical diagnostic approach of energy consumption of AC system is established.  ...  To achieve these objectives, the verification of systematic characteristics (mainly refers to the systematic COP), practical approaches of energy consumption diagnosis of AC systems should be taken as  ...  Practical diagnostic approaches of energy consumption of AC systems with all the valuable real testing, theoretical and simulative works are noteworthy and necessary.  ... 
doi:10.1016/j.proeng.2015.09.078 fatcat:2zxhv66n4bemjhj65qors7jtta

Empirical evaluation of two best practices for energy-efficient software development

Giuseppe Procaccianti, Héctor Fernández, Patricia Lago
2016 Journal of Systems and Software  
We then performed a comparison of the energy consumption at system-level and at resource-level, before and after applying the practice. Results.  ...  This study aims at assessing the impact, in terms of energy savings, of best practices for achieving software energy efficiency, elicited from previous work.  ...  The Wilcoxon signed-rank test shows that the application of the practice induces a significant decrease in energy consumption (Z=-3.915, p-value=0.00009 ).  ... 
doi:10.1016/j.jss.2016.02.035 fatcat:f7zvgctrpve7xj4tddyz4caziy

Bus HVAC energy consumption test method based on HVAC unit behavior

M. Hegar, M. Kolda, M. Kopecka, V. Rajtmajer, A. Ryska
2013 International journal of refrigeration  
Bus HVAC unit Input power Standard engine Fuel consumption Test method a b s t r a c t This paper presents a test method for determination of energy consumption of bus HVAC unit.  ...  The HVAC unit energy consumption is determined from the unit input power, which is measured under several levels of bus engine speeds and at different levels of testing heat load in the laboratory environment  ...  b s t r a c t This paper presents a test method for determination of energy consumption of bus HVAC unit.  ... 
doi:10.1016/j.ijrefrig.2012.10.023 fatcat:x53adgt7ibfdljofz777o5t5sa

Evaluation Method for Heating Energy Consumption of Rural Buildings in Cold Zone

Haiyan Wan Wang, Yanling Wan Wang, Fang Wang
2016 Procedia Engineering  
Evaluation of heating energy consumption plays an important part for promoting rural building energy efficiency.  ...  The evaluation method of heating energy consumption provides comparably objective judgment and evaluation ,and may be beneficial to putting forward the corresponding energy efficiency improvements.  ...  Acknowledgements The research presented in this article was financed by the Twelfth five-year National Key Technology Research and Development Program of the Ministry of Science and Technology of China  ... 
doi:10.1016/j.proeng.2016.06.352 fatcat:xzi6bhz3ijfmbgikw45nx3bsea

Real Time Monitoring of Energy Efficiency Operation Indicator on Merchant Ships

Ronald Dela Cruz Barro, Jun-Seong Kim, Don-Chool Lee
2011 Journal of the Korean Society of Marine Engineering  
The accurate inventory of ships GHG can be obtained from base of emission result during the engine shop test trial and the actual monitoring of shaft power and ship speed.  ...  In addition, the ability to store all exhaust emission and engine operation data can be applied as the useful tool of the inventory work of air pollution and ship energy management plan for the mitigation  ...  Acknowledgement This study was supported by the Regional Innovation System (RIS) of Korea Institute for Advanced Technology (KIAT).  ... 
doi:10.5916/jkosme.2011.35.3.301 fatcat:4c2hwgirhffihcd54ru2kuwi6u

A Low Cost and Low Power Consumption Automatic Water Meter Reading System: Hardware Investigation and Network Design

Lap-Luat Nguyen, Huu-Tue Huynh, Tuan-Duc Nguyen
2015 REV Journal on Electronics and Communications  
This paper presents a low power consumption and low cost automatic data collection network for water meter application.  ...  Advantages of this proposed configuration are the simple implementation, low cost and low power consumption.  ...  Figure 10 shows the energy consumption of the coordinator node and the average energy consumption of one End node in a cluster for 1 year.  ... 
doi:10.21553/rev-jec.78 fatcat:wa5ub3ixbvc75kfq75nsbzgj6u

Energy Efficiency of Parallel Multicore Programs

Davor Davidovic, Matjaz Depolli, Tomislav Lipic, Karolj Skala, Roman Trobec
2016 Scalable Computing : Practice and Experience  
The essential step towards more sustainable consumption of energy is its reliable measurements for each component of the system and selection of optimally configured resources for specific applications  ...  Then, a practical case study of a real-time power measurement of multicore computing system is presented on two real HPC applications: maximum clique algorithm and numerical weather prediction model.  ...  of Croatia under the bilateral project 'Energy Efficiency at Distributed Computing Systems', and partially supported by EU under the COST programme Action IC1305, 'Network for Sustainable Ultrascale Computing  ... 
doi:10.12694/scpe.v16i4.1132 fatcat:we47ihzznrdahekaia7ka3gg7u


2022 International journal of 3d printing technologies and digital industry  
With minimum energy consumption, high rates of energy savings will be ensured by transferring maximum amount of fuel.  ...  Internal gear pumps are used in a variety of applications for the transfer of many different types of liquids like fuel, oil and food in both the industry and daily life.  ...  ENERGY CONSUMPTION OF INTERNAL GEAR PUMPS Industrial internal gear pumps with various geometrical models are used in a large number of different applications [22] [23] .  ... 
doi:10.46519/ij3dptdi.1001245 fatcat:tebtlhj2bjc37klqwjf7j2i5aa

High-Dimensional Energy Consumption Anomaly Detection: A Deep Learning-Based Method for Detecting Anomalies

Haipeng Pan, Zhongqian Yin, Xianzhi Jiang
2022 Energies  
The test results of the method on a publicly available dataset show that it can effectively detect abnormal electricity usage behavior of users.  ...  With the increase of energy demand, energy wasteful behavior is inevitable.  ...  Energies 2022, 15, 6139  ... 
doi:10.3390/en15176139 fatcat:rprdlz3duzfadewe5vfnqojjmu

Orthogonal Experiments on Ozone Oxidation Denitration of Sintering Flue Gas

Yingxin Yang, Lu Zhong, Xueliang Xue, Jingling Hu, Xiaotu Hu, Yong Liu, C.-H. Weng, R. Weerasinghe
2018 E3S Web of Conferences  
Under the same flue gas flow and O3 dosage, with the increase of inlet NO concentration, the O3 utilization rate increased while the average oxidation energy consumption of each NO molecule decreased,  ...  In practical engineering application, the setting of O3 dosage should take into account both engineering design indicators and economy.  ...  Acknowledgements The authors gratefully acknowledge financial support by Science and Technology Plan Project of Guangdong Province, China (No. 2017B090901057).  ... 
doi:10.1051/e3sconf/20185301028 fatcat:fkien5pla5bizcr6gkwj2tfhpm

Ultrasonic wave promoting ice melt in ice storage tank based on polynomial fitting calculation model

Chengjun Li, Huan Zhang, Tianyu Wang, Jianming Zhang, Chengchun Li, Dong Yu
2021 Applied Mathematics and Nonlinear Sciences  
and other parameters on the characteristics of ice melting are tested and analysed through experiments, which provides an important reference for the practical application of this technology.  ...  It is found that the ultrasonic wave can obviously promote and strengthen the melting of ice, and the influence of power, ice–water ratio and ice size conforms to the normal theory and practice law.  ...  and fan energy consumption.  ... 
doi:10.2478/amns.2021.1.00103 fatcat:65wn33o5hje2tgldotrn2doiva
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