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Дисертації з теми "Energy saving potentia"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Kifleyesus, Biniam Okbaendrias. "Eneregy Management In Industries : Analysis of Energy Saving potential by Steam conedensate recovery." Thesis, Högskolan i Gävle, Energisystem, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-25090.

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Анотація:

When speaking about energy it means speaking about life, activity, economy, growth and environmental issues. The issue of energy has been the main article all over the world in recent years, this is due to the importance of energy to life and its impact on the environment. For example, Paris climate change meeting in 2015 is one of the recent global meeting which directly related to the energy use by nations. The meeting was mainly focused up on the restriction of greenhouse gas emission which implies that industries should think about other alternative energy resources rather than fossil fuel

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2

Ray, Stephen D. (Stephen Douglas). "Energy saving potential of various roof technologies." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/57790.

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Анотація:

Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 159-168).<br>Unconventional roof technologies such as cool roofs and green roofs have been shown to reduce building heating and cooling load. Although previous studies suggest potential for energy savings through such technologies, many factors affect potential savings. To further investigate these factors, a tool has been developed to allow architects and designers the ability to quickly assess the energy saving potent

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3

Джеджула, В. В. "Методичні підходи до оцінки ефективності енергоспоживання промислових підприємств". Thesis, ВНТУ, 2018. http://ir.lib.vntu.edu.ua//handle/123456789/21222.

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Розглянуто структуру потенціалу енергозбереження машинобудування. Сформовано методичний підхід до оцінки ефективності енергоспоживання промислових підприємств<br>The structure of energy saving potential of mechanical engineering is considered. The methodical approach to the estimation of energy efficiency of industrial enterprises is formed

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4

Amanti, Steven Thomas. "Potential energy savings on the MIT campus." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36294.

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Анотація:

Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2006.<br>Includes bibliographical references (p. 46).<br>The MIT community and the City of Cambridge embarked on initiatives to reduce energy consumption and Greenhouse Gas emissions in accordance with the Kyoto Protocol which calls for a 20 % reduction in 1990 levels of GHG emissions by 2010. This thesis seeks to expand our understanding of how the MIT campus consumes energy and with that knowledge recommend methods of reducing energy consumption by eliminating irresponsible energy use. Based on the GHG emi

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5

Marinho, de Castro Maria Manuela. "Energy saving potential of ground integrated architecture on slope terrains." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/41436/.

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Анотація:

Fast urban growth and topographical factors across Europe have contributed to an increase in the total number of hillside residential buildings. In the case of Portugal, a clear need for hillside building design which can fully benefit from the thermal advantage of slope terrains has been identified. Although the energy efficiency of ground-integrated architecture has been the subject of numerous research works, only a small number of those research projects have focused on the thermal potential of ground-integrated buildings constructed on sloped terrains. The research presented in this thesi

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6

Stow, Maddy. "The carbon saving potential of community renewable energy in the UK." Thesis, University of Bath, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.669033.

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Анотація:

This research answers the question: what is the potential of community renewable energy projects to reduce carbon emissions in the United Kingdom (UK)? This research provides evidence of the benefits of community energy projects in the UK that have been identified as lacking in a recent report produced for the Department of Energy and Climate Change. The work is based on analysis of primary data collected from 13 community energy projects that were active in 2011 in England and Wales. The 13 projects were based around energy generation and cover three types of technology: photovoltaic (PV), wi

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7

Sharma, Prajesh. "Potential of Geothermal Energy in India." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-40524.

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In this research paper, review of world geothermal energy production and their capacity is shown. Here, a research is conducted to know the potential and possibility of geothermal energy in India. All the geothermal province with their geographical locations are shown and a brief calculation is conducted in order to show the potential of the particular province. As India is having the low temperature geothermal fields, binary geothermal plants are used for this analysis and results are calculated by using R134a as a working fluid at different temperatures. The results are sufficient to prove t

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8

Jimoh, Bukola S. "Energy Efficiency Technologies for Buildings: Potential for Energy, Cost, and Carbon Emission Savings." Scholarship @ Claremont, 2011. http://scholarship.claremont.edu/cmc_theses/180.

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Анотація:

Buildings are a significant energy consumer and are responsible for an increasingly large percent of worldwide greenhouse gas emissions, currently between 30 and 40 percent. Energy efficiency presents unique opportunities for building owners to reduce their environmental footprint and add value through cost savings, tax deductions, and increased market value. An analysis of 183 samples of efficiency measures in seven technology categories found that 74% of efficiency investments had a positive net present value. Building automation system and chiller plant improvements had the highest mean ene

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9

Vassileva, Iana. "Characterization of household energy consumption in Sweden : energy savings potential and feedback approaches." Doctoral thesis, Mälardalens högskola, Akademin för hållbar samhälls- och teknikutveckling, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-14865.

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Анотація:

Energy consumption is on a constant rise with domestic use contributing substantially to the overall consumption. The population growth along with ever increasing comfort levels and daily appliance usage are driving the domestic electricity demand to higher levels. Targeting domestic consumption is thus of great importance if global consumption is to be lowered. This involves understanding and changing consumers’ behaviour, awareness and increasing their knowledge on the subject of energy use. In this thesis various factors determining household energy consumption such as dwelling size, income

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10

Morselli, Thomas. "Thermochromic coatings for buildings: Preparation and assessment of potential energy savings." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/21103/.

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Анотація:

Cool coatings show high solar reflectance and thermal emittance and have proved to decrease the energy consumption of buildings by reducing solar heat gains. However, previous studies have demonstrated how the effect of cool coatings is limited or counterproductive during cold seasons when free solar heat gains are reflected away too. Thermochromic pigments, with their ability to change their solar reflectance at different temperatures, could reduce the heating penalties during winter while keeping the benefits of lowering the cooling demand during summer. In this work, four different thermoc

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11

Imran, Shabbir. "Evaluation of energy saving and energy efficiency potentials in industrial processes through energy benchmarking and implementation of cogeneration technologies." Thesis, University of the West of Scotland, 2017. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.736953.

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12

Choudhury, Meghdeepa. "Pre-renovation considerations for a Swedish single-family house : Analysis of energy saving potential." Thesis, Högskolan i Gävle, Energisystem och byggnadsteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-35883.

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Анотація:

According to United Nations 7th sustainable development goal, increased use of fossil fuels in energy accounts for around 60 percent of total global greenhouse gas emissions and in order to debacle this crisis of global warming, the European Union aimed to reduce energy use by 32.5 % within 2030 by improving energy efficiency. Whereas, the Swedish energy goals include reducing energy use by 50% in 2030 compared to 2005 and at producing 100% electricity from renewable sources by the year 2040. In the year 2018, the housing and service sector contributed to 40 per cent of the total final energy

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13

Sardoueinasab, Zahra. "Modeling a Hospital in South Louisiana for Evaluation of Potential Energy Savings." Thesis, University of Louisiana at Lafayette, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10617065.

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Анотація:

<p> Due to the continuous operation of HVAC systems and stringent requirements of indoor environmental conditions, the total energy use per floor area in healthcare facilities is second only to that in food service buildings, and significantly higher than that in any other commercial building types. In order to evaluate potential opportunities for saving energy in healthcare facilities, a model of a hospital located in south Louisiana was developed in EnergyPlus simulation software. Building information required for the model development was taken from the hospital architectural and mechanical

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14

Mingaleeva, Renata. "Wind turbines application for energy savings in Gas transportation system." Thesis, KTH, Kraft- och värmeteknologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-149260.

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The Thesis shows the perspectives of involving renewable energy resources into the energy balance of Russia, namely the use of wind energy for the purpose of energy supply for the objects of the Russian Gas transportation system. The methodology of the wind energy technical potential calculation is designed and the wind energy technical potential assessment for onshore and offshore zones of Russia is presented. The analysis of Russian Gas transportation system in terms of energy consumption is carried out when comparing the map of wind resources in Russia with the map of Russian Gas transporta

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15

Hao, Wei. "A potential energy-saving heat treatment for re-circulated irrigation water and its biological mechanisms." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/49596.

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Анотація:

Heat pasteurization is an effective water treatment to address the emerging plant pathogen issue associated with increased water recycling practices in the ornamental horticulture industry. The current protocol that recommends treating water at 95"C for 30 s, however, faces two major challenges: its energy cost and environmental footprint. We hypothesized that temperature required to inactivate major pathogens in re-circulated water may be substantially lowered from 95"C with extended exposure time. The goal of this study was to test this hypothesis and make this water decontamination technolo

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16

Garcia, Jose Daniel. "Characterization of greywater heat exchangers and the potential of implementation for energy savings." Thesis, KTH, Installations- och energisystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-191123.

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Анотація:

Buildings account for up to 32% of the total energy use in different countries. Directives from the European Union have pointed out the importance of increasing energy efficiency in buildings. New regulation in countries like Sweden establishes that new buildings should fulfill regulations of Nearly Zero Energy Buildings (NZEB), opening an opportunity for new technologies to achieve these goals. Almost 80-90% of the energy in domestic hot water use is wasted from different applications with almost no use and with a lot of potential energy to be recovered. The present work studied the character

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17

Ванєєв, Сергій Михайлович, Сергей Михайлович Ванеев, Serhii Mykhailovych Vanieiev, Олександр Сергійович Бережний, Александр Сергеевич Бережной та Oleksandr Serhiiovych Berezhnyi. "Анализ возможности утилизации потенциальной энергии давления сжатых газов и паров". Thesis, Издательство СумГУ, 2008. http://essuir.sumdu.edu.ua/handle/123456789/5667.

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18

Zhu, Yiwen. "A methodology to pre-screen commercial buildings for potential energy savings using limited information." Texas A&M University, 2005. http://hdl.handle.net/1969.1/3179.

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Анотація:

Typical energy audits are sufficiently expensive and time-consuming that many owners and managers of buildings are not willing to invest the time and money required for a full audit. This dissertation provides a methodology to identify buildings with large potential energy savings using limited information, specifically, utility bills, total area and weather data. The methodology is developed based on the hypothesis: if a commercial building is properly designed, constructed, operated, and maintained, the measured energy consumption should approximately match the simulated value for a typical

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19

RIFAI, Nabil. "Monitoring the energy consumption in buildings in B2B sector." Thesis, KTH, Tillämpad termodynamik och kylteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-183387.

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This report discusses the ambition of EDF, a French electricity provider, to offer new services to its customers. With the emergence of the smart grid that will be operational in 2020 in France, there are several opportunities that have to be taken. One of them is to be able to offer a suitable monitoring system to its customer. This study tried to emphasize the important aspects and features that are required in such a system. Several solutions that are currently being commercialized in France have been analyzed. A grading has been made according to the technical functionalities and the busin

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20

Mulder, Ian. "Potential savings when re-instating mine DSM projects / Ian Mulder." Thesis, North-West University, 2012. http://hdl.handle.net/10394/9798.

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Анотація:

The increasing electricity demand in South Africa has lead to a shortage in electricity supply. In response to this problem Eskom has introduced multiple capacity expansion programs. Unfortunately the electricity shortage is expected to continue until Eskom’s capacity expansion programs are completed. Demand Side Management (DSM) is widely accepted as an immediate solution to the high electricity demand of South Africa. Numerous DSM projects implemented by ESCo’s have been successful, but over the years have not been sustainable. Without regular maintenance from the relevant ESCo, many projec

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21

Baltazar, Cervantes Juan Carlos. "Development of an automated methodology for calibration of simplified air-side HVAC system models and estimation of potential savings from retrofit/commissioning measures." Texas A&M University, 2006. http://hdl.handle.net/1969.1/5026.

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Анотація:

This dissertation provides one methodology to determine potential energy savings of buildings with limited information. This methodology is based upon the simplified energy analysis procedure of HVAC systems and the control of the comfort conditions. Numerically, the algorithm is a tailored exhaustive search over all the independent variables that are commonly controlled for a specific type of HVAC system. The potential energy savings methodology has been applied in several buildings that have been retrofitted and/or commissioned previously. Results from the determined savings for the Zachry b

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22

Nilsson, Anneli, and Fanny Hedberg. "Energikartläggning enligt ISO 50001 : En kartläggning av en industrianläggning för betong." Thesis, Högskolan i Halmstad, Sektionen för ekonomi och teknik (SET), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-25640.

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Анотація:

Den här rapporten har skrivits som en del av ett examensarbete på energiingenjörsprogrammet på Högskolan i Halmstad under våren 2014. Examensarbetet har genomförts i samarbete med AB Färdig Betong samt ÅF Infrastructure AB i Göteborg. Syftet med projektet är att undersöka energibesparingspotentialen hos AB Färdig Betongs produktionsanläggning på Ringön i Göteborg. Projektet har inneburit en energikartläggning av en industriell produktionsanläggning för lösbetong. Utgångspunkt för energikartläggningen har varit energiledningssystemet ISO 50001, med målsättningen att ta fram en teknisk energikar

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23

Wahlgren, Johannes, and Billy Kraft. "Kategorisering och energikartläggning av flerbostadshus byggda 1945 eller tidigare : En analys av energieffektiviseringspotentialen hos historiska byggnader i Vasastaden, Linköping." Thesis, Linköpings universitet, Energisystem, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-159677.

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Анотація:

With the increased energy usage and its affect on the environment the European Union (EU) has issued climate and environment goals which will oversee countries energy saving potential. These goals focus on several areas including the energy usage within buildings. The purpose of this thesis is to categorize and analyze the energy saving potential for buildings constructed 1945 or earlier. The building stock in focus consists of 73 apartment buildings in Vasastaden, Linköping. The buildings were all chosen with Boverket’s database within building characteristics GRIPEN. The method consisted of

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24

Shenouda, Amir. "Quasi-static hydraulic control systems and energy savings potential using independent metering four-valve assembly configuration." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-07052006-143614/.

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Thesis (Ph. D.)--Mechanical Engineering, Georgia Institute of Technology, 2007.<br>Wayne J. Book, Committee Chair ; Nader Sadegh, Committee Member ; Chris Paredis, Committee Member ; Bonnie Heck, Committee Member ; Roger Yang, Committee Member ; Renato D.C.Monteiro, Committee Member.

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25

Fridesjö, Jonathan. "Potential energy savings through legislative development : A closer look at EU Ecodesign requirements for electric motors." Thesis, Linnéuniversitetet, Institutionen för biologi och miljö (BOM), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-47103.

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Анотація:

One of the legislative regulations aiming at reduced energy consumption in the European Union, is (EC) 640/2009 that imposes requirements of the efficiency of electric motors sold in the Union. This study aimed at examining the effectiveness of these legislative requirements. To illustrate the opportunities of reducing energy consumption by the introduction of more efficient motors, an efficiency measurement of electric motors that drive the fuel feed system in a cogeneration plant in Nybro was intended to be carried out. This was to enable a comparison between the efficiency of existing motor

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26

Martin, Fagernäs. "The Energy Savings Potential of a Heat Recovery Unit and Demand Controlled Ventilation in an Office Building." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-184287.

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Анотація:

The building sector is responsible for approximately 40 % of the total energy usage in Sweden. In office buildings the heating, ventilation and air conditioning system can account for up to 55 % of the energy usage. In order to reduce the energy usage of the heating, ventilation and air conditioning system different control methods are often used. One of these control methods is demand controlled ventilation, where the ventilation system is controlled with regard to occupancy with the help of motion and/or CO2 sensors. The aim of this thesis was to determine the energy savings potential of a h

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27

Fagernäs, Martin. "The Energy Savings Potential of a Heat Recovery Unit and Demand Controlled Ventilation in an Office Building." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-184287.

Повний текст джерела

Анотація:

The building sector is responsible for approximately 40 % of the total energy usage in Sweden. In office buildings the heating, ventilation and air conditioning system can account for up to 55 % of the energy usage. In order to reduce the energy usage of the heating, ventilation and air conditioning system different control methods are often used. One of these control methods is demand controlled ventilation, where the ventilation system is controlled with regard to occupancy with the help of motion and/or CO2 sensors. The aim of this thesis was to determine the energy savings potential of a h

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28

Eriksson, Douglas. "Investigation of the energy saving potential for an office building complex : A study on the viability of an on-site combined heat- and power supply system." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-39888.

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Анотація:

The building stock in the European Union accounts for over 40% of final energy use, where the usage of non-residential buildings may be up to 40% higher than the residential sector. Improving building energy efficiency across all categories of buildings is one key goal of the European energy policies, made prominent by the Climate and Energy package, Energy Performance of Building Directive (EPBD) and Energy Efficiency Directive (EED). In this study, a simulation model of an office-building complex utilizing district heating was created using transient simulation software TRNSYS. The model was

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29

Myhren, Jonn Are. "Potential of Ventilation Radiators : Performance evaluation by numerical, analytical and experimental means." Doctoral thesis, KTH, Strömnings- och klimatteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-31813.

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Анотація:

Energy consumption for heating and ventilation of buildings is still in 2011considered far too high, but there are many ways to save energy and construct lowenergy buildings that have not been fully utilised. This doctoral thesis has focused onone of these - low temperature heating systems. Particular attention has been given tothe ventilation radiator adapted for exhaust-ventilated buildings because of itspotential as a low energy consuming, easily-operated, environmentally-friendlysystem that might also ensure occupant health and well-being. Investigations were based on Computational Fluid D

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30

Giordano, Matteo. "Energy Savings Potential in Dual Smart Grid Solutions : Are there synergy effects to be found using a dual smart grid system for heat and electricity?" Thesis, KTH, Energiteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-283129.

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Анотація:

Smart cities and eco-districts will shape a new city landscape in the upcoming years, making renewables the only source of energy. They have the potential to cut greenhouse gas emissions up to 99 %, reaching the ambitious energy and sustainability goals set by Europe and the rest of the world. Double smart grids is a 20th-century concept aiming at connecting the current main energy networks as(electrical and thermal) into a unique mesh. It enables the exchange of energy and new options for storage, flexibility, and reliability. The goal of this study is to show the potential energy savings cap

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31

Braida, Giacomo, and Roberto Tomasetig. "Preliminary analysis of the potential energy saving achievable with a predictive control strategy of a heat pump for a single family house." Thesis, KTH, Tillämpad termodynamik och kylteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-240067.

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Анотація:

The present work reports a study related to the potential improvement of the energy performances of a heat pump based heating system for a Swedish single-family house. The analysis is focused on the design of new rule-based control strategies which employ perfect predictions of weather forecast and human behaviour information. In particular, the considered signals are the outdoor temperature, the solar radiation, the internal gain due to inhabitants’ activities and the Domestic Hot Water (DHW) consumption. The study is performed by means of the TRNSYS® simulation software in which the model of

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32

Dreier, Dennis. "Assessing the potential of fuel saving and emissions reduction of the bus rapid transit system in Curitiba, Brazil." Thesis, KTH, Energi och klimatstudier, ECS, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-176398.

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Анотація:

The transport sector contributes significantly to global energy use and emissions due to its traditional dependency on fossil fuels. Climate change, security of energy supply and increasing mobility demand is mobilising governments around the challenges of sustainable transport. Immediate opportunities to reduce emissions exist through the adoption of new bus technologies, e.g. advanced powertrains. This thesis analysed energy use and carbon dioxide (CO2) emissions of conventional, hybrid-electric, and plug-in hybrid-electric city buses including two-axle, articulated, and biarticulated chassi

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33

Майборода, Мирослав Олегович, та Myroslav Maiboroda. "Обґрунтування можливості одержання низькопотенціальної теплоти шляхом удосконалення сонячних колекторів". Master's thesis, ТНТУ імені Івана Пулюя, 2019. http://elartu.tntu.edu.ua/handle/lib/30192.

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Анотація:

У магістерській роботі обґрунтовано можливість застосування сонячних колекторів для систем теплопостачання. Удосконалена методика та розроблений алгоритм розрахунку дає змогу встановити основні параметри систем теплопостачання із використанням сонячних колекторів.<br>In the master's work the possibility of using solar collectors for heat supply systems is substantiated. The advanced methodology and the developed calculation algorithm allow to set the basic parameters of the heat supply systems using solar collectors.<br>ПЕРЕЛІК УМОВНИХ СКОРОЧЕНЬ...6 ВСТУП...7 РОЗДІЛ 1. ЛІТЕРАТУРНИЙ ОГЛЯД...1

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Monteggia, Mattia. "Weather data for heat pump system control improvement: analysis of instantaneous and forecasted measurements and evaluation of potential energy savings." Thesis, KTH, Tillämpad termodynamik och kylteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-240069.

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The present work deals with a study related to the analysis of weather data for heat pump system control improvement based on both instantaneous and forecasted measurements. In particular, the analysis is firstly focused on the comparison of multiple weather sources for the assessment of weather forecast uncertainties, based on the evaluation of errors in prediction with respect to measured values. Afterwards, the results are compared with the ones related to persistent predictions methods that assumes the state of the atmosphere to be stationary over the considered time interval. The developm

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Saidzadeh, Millad. "Energimodellering av ett flerbostadshus - en parameterstudie : Granskning av energianvändning och termisk komfort." Thesis, KTH, Byggvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-123997.

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Idag står bostads- och servicesektorn för närmare 40 % av Sveriges totala slutliga energianvändning. Flerbostadshus utgör ca 30 % av den energianvändningen. Därför är det viktigt att lokalisera energiparametrar och redovisa dess betydelse för energianvändningen. Samtidigt bör relationen mellan energianvändning och inomhusklimat analyseras, så att inte förändringar i energin medför till försämringar för inomhusklimatet. Baserat på identifiering hos energisparpotentialen hos parametrar, parameterbeteende och parameterkänslighet för energianvändning har i studien ett antal parametrar undersökts f

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Eriksson, Stina. "Optimering av framledningstemperaturen i ett fjärrvärmenät genom lastmodellering och simulering." Thesis, Högskolan i Gävle, Energisystem och byggnadsteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-32790.

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I Sverige är fjärrvärme den vanligaste uppvärmningsformen. Vatten värms upp i en fjärrvärmeanläggning och distribueras genom nedgrävda rör i marken, också kallat fjärrvärmenätet. En tillförlitlig energimodell anses vara ett bra och viktigt hjälpmedel för analyser av värmeförluster som uppstår i ett fjärrvärmenät vid distribueringen av det heta vattnet. Sandviken Energis styrning av framledningstemperaturen sker idag utifrån en inställd styrkurva som tar hänsyn till vad det är för utetemperatur. Det var av intresse för studien att jämföra denna styrning med en simulerad framledningstemperatur o

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Karlsson, Falk Susanne. "Identifiering av energianvändningen hos en kontorsfastighet i en svensk tätort : - en fallstudie med beräkningsinslag." Thesis, Högskolan i Gävle, Energisystem, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-24535.

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The current climate changes require a global response immediately. Every year the use of energy increases, which means that more and more greenhouse gases are released. Which in turn helps accelerate global warming. To reduce the energy use will not be an easy task for mankind. Household and service accounts for about 40% of Sweden’s energy use, and office buildings prove to be among the most energyintensive. Previous research shows that heat-, ventilation- and cooling systems along with lightning are the systems that provide the highest energy consumption and that there is also a great saving

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Abideen, Khairy Mohammad. "Aspects of passive cooling and the potential savings in energy, money and atmospheric pollutants emissions in existing air conditioned mosques in Saudi Arabia." Thesis, University of Edinburgh, 1997. http://hdl.handle.net/1842/21123.

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This study investigates the potential savings in air conditioning energy and reductions in atmospheric pollutants in existing air conditioned mosques in Saudi Arabia. It aims to study in particular the improvements of passive cooling systems in existing mosques under three main headings of (1) the determination of (a) passive cooling systems' demand improvements and (b) the proposed measures for improvements, (2) their relative performances, and (3) their applications. Existing air conditioned mosques in city of Jeddah form the primary subject of this study, by surveying 48 existing air condit

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Richter, Christian P. [Verfasser]. "In-house Consumer Study on Dishwashing Habits in Four European Countries: Saving Potentials in Households with Dishwashing machine / Christian P Richter." Aachen : Shaker, 2010. http://d-nb.info/1081885432/34.

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Žůrek, Petr. "Energetické hodnocení budovy." Master's thesis, Vysoké učení technické v Brně. Ústav soudního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-261292.

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Diplomová práce se zabývá energetickým sektorem v Ruské Federaci se zaměřením na sektor budov a jejich energetickou efektivnost. Je zde vytvořen základní přehled předpi-sů a norem týkajících se sektoru budov a dotační programy vytvořené Ruskou vládou na snížení energetické náročnosti. V praktické části je provedeno energetické hodnocení dané budovy v podmínkách Čr a Ruské Federace. Výpočty energetických bilancí budovy jsou prováděny pro klimatické podmínky daných zemí a v souladu s národními předpisy. Na základě energetických bilancí jsou navrženy opatření na úsporu energie. V závěru je proved

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Winsjansen, Frida. "Utredning av energibesparingspotential och lönsamhet hos kompressorsystem med värmeåtervinning : För integrering i industriellt uppvärmningssystem." Thesis, Högskolan i Gävle, Avdelningen för bygg- energi- och miljöteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-27776.

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För att tillgodose framtidens växande behov av energi och samtidigt bidra till en långsiktigt hållbar energitillförsel krävs resurs- och energieffektivisering inom flera sektorer. Inte minst inom industrin som år 2016 stod för mer än 50 procent av det globala energibehovet. Tillvaratagandet av befintliga resurser såsom spillvärme från tryckluftsproduktion är en möjlig effektiviseringsåtgärd. Till grund för examensarbetet ligger ett önskemål från koncernen Sandvik AB att utreda besparingspotential och kostnader för reinvestering i en av industrins kompressorcentraler, Götvalsverket. Reinvesteri

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Facco, José Henrique. "Ações de conservação de energia aplicadas a uma planta industrial composta de motores de indução." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/18/18154/tde-03102006-201142/.

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O presente trabalho objetiva, a partir de dados coletados dos motores elétricos em regime de trabalho, dar sua contribuição ao estudo de conservação de energia elétrica numa planta industrial. Apresenta-se o motor elétrico trifásico de indução e as diversas questões relativas ao seu uso industrial, para então, demonstrarem os parâmetros elétricos obtidos. Elaborou-se um trabalho de campo, que possibilita à análise da eficiência energética no uso de motores elétricos em uma fábrica de papel e cosméticos. A partir de medidas dos parâmetros elétricos como: corrente e tensão, mais os dados de catá

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McGilligan, Charles. "Securing a pathway which leads to an 80% reduction in greenhouse gas emissions : effects of climate change on levels of space heating and space cooling, and analysis of the energy saving potential of the adaptive approach to thermal comfort in the built environment." Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.577755.

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Climate change brings with it a set of challenges if our buildings are to remain thermally comfortable whilst energy consumption is kept to a minimum and greenhouse gas emissions are reduced. As a means of addressing these issues, three models have been constructed using future climate data as forecast by the UK Climate Projections (UKCP09), and they have been used to inform the Department of Energy and Climate Change (DECC) 2050 Calculator. Observing there to be a correlation between regionalised National Grid non-daily metered gas demand and daily air temperature, the first model uses these

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Nguyen, Alexandre Huu Tam. "Modélisation du parc de bâtiments du secteur tertiaire et simulation énergétique." Thesis, Université Paris sciences et lettres, 2021. http://www.theses.fr/2021UPSLM005.

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L’efficacité énergétique et la décarbonation des usages de l’énergie dans le secteur du bâtiment constituent un enjeu stratégique dans le cadre de la transition écologique en France. En 2019, le parc de bâtiments français représente 45% de la consommation finale d’énergie, le secteur tertiaire à lui seul compte pour 17%. La consommation d’énergie des bâtiments du secteur tertiaire et ses déterminants sont très peu documentés. La représentation du parc de bâtiments tertiaire français est aujourd’hui essentiellement basée sur des estimations de surface chauffée segmentées selon les activités éco

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Vila, Hernán. "Regulación de la hidratación y la turgencia foliares por mecanismos evitadores del estrés, y resistencia a déficit hídrico en vid." Doctoral thesis, Universidad Nacional de Cuyo. Facultad de Ciencias Médicas - Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias, 2011. http://bdigital.uncu.edu.ar/4367.

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El transporte del agua en las plantas es impulsado por diferencias de energía libre entre el suelo y la atmósfera, y está regulado por mecanismos biológicos evitadores, como el cierre estomático. La hidratación y la turgencia foliares resultan del equilibrio entre ΨL del apoplasto, el potencial osmótico del simplasto y la elasticidad de los tejidos. Sobre esta base se conjeturó que las interacciones de los mecanismos evitadores del estrés hídrico de la planta tienen un rol clave en la definición de su resistencia a déficit hídrico. Para probar esta hipótesis se construyó un modelo mecanístico

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Кузнецов, Валерій Геннадійович, Валерий Геннадиевич Кузнецов, Valeriy G. Kuznetsov, Walery G. Kuzniecov та Valerii H. Kuznetsov. "Розвиток теоретичних основ енергозбереження в системах електропостачання тяги поїздів постійного струму". Thesis, Видавництво Дніпропетровського національного університету залізничного транспорту імені академіка В. Лазаряна, 2012. http://eadnurt.diit.edu.ua:82/jspui/handle/123456789/1335.

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Анотація:

Кузнецов , В. Г. Розвиток теоретичних основ енергозбереження в системах електропостачання тяги поїздів постійного струму : авт. дис. д-ра т. н.: 05.22.09 / В. Г. Кузнецов ; Днепропетр. нац. ун-т ж.-д. тр-та им. акад. В. Лазаряна. - Д. : Вид-во Днiпропетр. нац. ун-ту залізн. трансп. iм. акад. В. Лазаряна, 2012. УДК 629.423.3:621.331.024 ГРНТИ 55.41.29 Захист - 6 грудня 2012 р.<br>UK: Дисертація присвячена розвитку теоретичних основ енергозбереження в системах електропостачання тяги поїздів постійного струму для підвищення енергетичної та економічної ефективності процесу перевезень. У даній

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Janbakhsh, Setareh. "A Ventilation Strategy Based on Confluent Jets : An Experimental and Numerical Study." Doctoral thesis, Linköpings universitet, Energisystem, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-117442.

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This study presents air distribution systems that are based on confluent jets; this system can be of interest for the establishment of indoor environments, to fulfill the goals of indoor climate and energy-efficient usage. The main objective of this study is to provide deeper understanding of the flow field development of a supply device that is designed based on wall confluent jets and to investigate the ventilation performance by experimental and numerical methods. In this study, the supply device can be described as an array of round jets on a flat surface attached to a side wall. Multiple

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Huang, Yu-Shun, and 黃昱舜. "Energy Saving Analysis and Potential Schemes for Taiwan Inland Transportation." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/29614006182681416791.

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碩士<br>國立臺灣大學<br>應用力學研究所<br>100<br>Transportation plays a certain role in country economic. Recently, energy shortage and global warming were becoming serious problems. Since combustion of fossil fuels for energy results in greenhouse gas increasing, the issue of energy saving in transportation gradually gets attention. Most of the research topics in Taiwan are focus on development of new technology for cars or statistics of only few modes of transportation in a local region, but lack of the statistical data of total energy using and saving of Taiwan transportation, and can’t revealed the overa

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Kuriyama, Bruna Tathiane. "Energy saving potential of electronic waste management practices: a Latin America case study." Master's thesis, 2018. http://hdl.handle.net/10773/26131.

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In view of the unprecedented generation of EEE worldwide, the management sector of e-waste is emerging as an opportunity to exploit resources in the form of both materials and energy. Within this context, LATAM has great potential to improve its e-waste management practices in the coming years. Current studies regarding e-waste in LATAM is still scarce and the majority of countries face challenges in setting up an effective e-waste management system. Therefore, the present dissertation aims to explore the energy impact of ewaste recycling activities, and also propose a methodology to ev

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FeliksSetiawan, Andre, and 廖光華. "Energy-saving potential of building envelope designs in residential houses in Indonesia." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/23395230084406943302.

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碩士<br>國立成功大學<br>土木工程學系<br>102<br>Indonesia as an emerging country and one of the most populous country requires a sufficient supply with energy for national development. The demand for energy in Indonesia is increasing very fast while the energy supply is going short. In facing this increasing energy consumption, some studies have proposed energy-saving measures; building envelope design is considered one of the typical energy-saving techniques. A significant goal in achieving greener buildings is learning how to reduce a building’s energy consumption by applying an efficient energy-saving des

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