Comparison And Optimization Of Building Energy Supply Systems Through Exergy Analysis And Its Perspectives
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Comparison And Optimization Of Building Energy Supply Systems Through Exergy Analysis And Its Perspectives
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Author : Herena Torío Blanco
language : en
Publisher:
Release Date : 2012-10
Comparison And Optimization Of Building Energy Supply Systems Through Exergy Analysis And Its Perspectives written by Herena Torío Blanco and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10 with categories.
Growing concerns on environmental problems related to current energy use have emphasized the importance of "energy-saving measures" and the necessity for an increased efficiency in all forms of energy utilization. Being responsible for around 40% of the final energy use in Germany, buildings are major contributors to energy related problems and a sector where a more rational and efficient energy use is absolutely necessary. By showing the thermodynamic efficiency of an energy system, exergy analysis is expected to be a valuable tool for developing and designing more efficient energy supply systems in buildings, similarly as it has contributed to raise the efficiency of power plants. In this thesis, the usability and added value of exergy analysis applied to different building energy systems is investigated. Exergy analysis is, herefore, compared to conventional primary energy assessment and the different results and conclusions obtained from both methods are thoroughly studied and discussed.
Exergy Analysis And Thermoeconomics Of Buildings
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Author : Jose M Sala-Lizarraga
language : en
Publisher: Butterworth-Heinemann
Release Date : 2019-10-01
Exergy Analysis And Thermoeconomics Of Buildings written by Jose M Sala-Lizarraga and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-01 with Architecture categories.
Quantifying exergy losses in the energy supply system of buildings reveals the potential for energy improvement, which cannot be discovered using conventional energy analysis. Thermoeconomics combines economic and thermodynamic analysis by applying the concept of cost (an economic concept) to exergy, as exergy is a thermodynamic property fit for this purpose, in that it combines the quantity of energy with its quality factor. Exergy Analysis and Thermoeconomics of Buildings applies exergy analysis methods and thermoeconomics to the built environment. The mechanisms of heat transfer throughout the envelope of buildings are analyzed from an exergy perspective and then to the building thermal installations, analyzing the different components, such as condensing boilers, absorption refrigerators, microcogeneration plants, etc., including solar installations and finally the thermal facilities as a whole. A detailed analysis of the cost formation process is presented, which has its physical roots firmly planted in the second law of thermodynamics. The basic principles and the rules of cost allocation, in energy units (exergy cost), in monetary units (exergoeconomic cost), and in CO2 emissions (exergoenvironmental cost), based on the so-called Exergy Cost Theory are presented and applied to thermal installations of buildings. Clear and rigorous in its exposition, Exergy Analysis and Thermoeconomics of Buildings discusses exergy analysis and thermoeconomics and the role they could play in the analysis and design of building components, either the envelope or the thermal facilities, as well as the diagnosis of thermal installations. This book moves progressively from introducing the basic concepts to applying them. Exergy Analysis and Thermoeconomics of Buildings provides examples of specific cases throughout this book. These cases include real data, so that the results obtained are useful to interpret the inefficiencies and losses that truly occur in actual installations; hence, the assessment of their effects encourages the manner to improve efficiency. Applies exergy analysis methods for the installation of building thermal facilities equipment components, including pipes, valves, heat exchangers, boilers and heat pumps Helps readers determine the operational costs of heating and cooling building systems Includes exergy analysis methods that are devoted to absorption refrigerators, adsorption cooling systems, basic air conditioning processes, ventilation systems and solar systems, either thermal and PV Discusses the direct application of exergy analysis concepts, including examples of buildings with typical heating, DHW and air conditioning installations
Exergy Analysis Of The Air Handling Unit At Variable Reference Temperature
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Author : Vytautas Martinaitis
language : en
Publisher: Springer Nature
Release Date : 2022-03-25
Exergy Analysis Of The Air Handling Unit At Variable Reference Temperature written by Vytautas Martinaitis and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-25 with Technology & Engineering categories.
This book explore how exergy analysis can be an important tool for assessing the sustainability of buildings. Building's account or around 40 percent of total energy conditions depending on local climatic conditions. Due to its nature, exergy analysis should become a valuable tool for the assessment of building sustainability, first of all considering their scope and the dependence of their energy demands on the local environmental and climatic conditions. Nonetheless, methodological bottlenecks do exist and a solution to some of them is proposed in this monograph. First and foremost, there is the still-missing thermodynamically viable method to apply the variable reference environment temperature in exergy analysis. The monograph demonstrates that a correct approach to the directions of heat exergy flows, when the reference temperature is considered variable, allows reflecting the specifics of energy transformation processes in heating, ventilation, and air conditioning systems in a thermodynamically viable way. The outcome of the case analysis, which involved coordinated application of methodologies based on the Carnot factor and coenthalpies, was exergy analysis indicators – exergy efficiency and exergy destroyed – obtained for air handling units and their components. These methods can be used for the purposes of analysing and improving building technical systems that, as a rule, operate at a variable environment temperature. Exergy analysis becomes more reliable in designing dynamic models of such systems and their exergy-based control algorithms. This would improve the possibility to deploy them in building information modelling (BIM) technologies and the application of life cycle analysis (LCA) principles in designing buildings, thus improving the quality of the decision-making process. Furthermore, this would benefit other systems where variable reference environment plays a key role. This book is relevant to academics, students and researchers in the field of thermodynamic analysis considering HVAC equipment, building energy systems, energy efficiency, sustainable development of technical systems of energy, mechanics, and construction, as well as preservation of natural resources. Planners, designers, engineers of HVAC equipment, building energy systems, and developers of appropriate simulation tools (e.g., BIM) will also find it of use.
Modelling And Simulation Of Low Temperature District Heating Systems For The Development Of An Exergy Based Assessment Method
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Author : Anna Marie Dagmar Kallert
language : en
Publisher: BoD – Books on Demand
Release Date : 2019-03-01
Modelling And Simulation Of Low Temperature District Heating Systems For The Development Of An Exergy Based Assessment Method written by Anna Marie Dagmar Kallert and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-01 with Technology & Engineering categories.
Low temperature district heating (LTDH) offers possibilities for efficient heat supply based on renewable energies. For the analysis of LTDH, the exergetic assessment is a suitable method. Hence, an exergy-based assessment method was developed in which energy as well as economic and sustainability aspects are combined. As part of a technology comparison, the method is applied to case studies to verify the applicability of the assessment approach. The approach highlights innovative supply solutions by identifying the advantages and disadvantages of different supply strategies.
Exergy
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Author : Ibrahim Dincer
language : en
Publisher: Newnes
Release Date : 2012-12-31
Exergy written by Ibrahim Dincer and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-31 with Technology & Engineering categories.
This book deals with exergy and its applications to various energy systems and applications as a potential tool for design, analysis and optimization, and its role in minimizing and/or eliminating environmental impacts and providing sustainable development. In this regard, several key topics ranging from the basics of the thermodynamic concepts to advanced exergy analysis techniques in a wide range of applications are covered as outlined in the contents. Offers comprehensive coverage of exergy and its applications, along with the most up-to-date information in the area with recent developments Connects exergy with three essential areas in terms of energy, environment and sustainable development Provides a number of illustrative examples, practical applications, and case studies Written in an easy-to-follow style, starting from the basics to advanced systems
Proceedings Of Elcas 2009
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Author :
language : en
Publisher: Koroneos Christopher
Release Date :
Proceedings Of Elcas 2009 written by and has been published by Koroneos Christopher this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Exergy Energy System Analysis And Optimization Volume Iii
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Author : Christos A. Frangopoulos
language : en
Publisher: EOLSS Publications
Release Date : 2009-05-13
Exergy Energy System Analysis And Optimization Volume Iii written by Christos A. Frangopoulos and has been published by EOLSS Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-05-13 with Power resources categories.
Exergy, Energy System Analysis, and Optimization theme is a component of the Encyclopedia of Energy Sciences, Engineering and Technology Resources which is part of the global Encyclopedia of Life Support Systems (EOLSS), an integrated compendium of twenty one Encyclopedias. These three volumes are organized into five different topics which represent the main scientific areas of the theme: 1. Exergy and Thermodynamic Analysis; 2. Thermoeconomic Analysis; 3. Modeling, Simulation and Optimization in Energy Systems; 4. Artificial Intelligence and Expert Systems in Energy Systems Analysis; 5. Sustainability Considerations in the Modeling of Energy Systems. Fundamentals and applications of characteristic methods are presented in these volumes. These three volumes are aimed at the following five major target audiences: University and College Students, Educators, Professional Practitioners, Research Personnel and Policy Analysts, Managers, and Decision Makers and NGOs.
Ecos 2012 The 25th International Conference On Efficiency Cost Optimization And Simulation Of Energy Conversion Systems And Processes Perugia June 26th June 29th 2012
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Author : Umberto Desideri
language : en
Publisher: Firenze University Press
Release Date : 2012
Ecos 2012 The 25th International Conference On Efficiency Cost Optimization And Simulation Of Energy Conversion Systems And Processes Perugia June 26th June 29th 2012 written by Umberto Desideri and has been published by Firenze University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Energy conservation categories.
The 8-volume set contains the Proceedings of the 25th ECOS 2012 International Conference, Perugia, Italy, June 26th to June 29th, 2012. ECOS is an acronym for Efficiency, Cost, Optimization and Simulation (of energy conversion systems and processes), summarizing the topics covered in ECOS: Thermodynamics, Heat and Mass Transfer, Exergy and Second Law Analysis, Process Integration and Heat Exchanger Networks, Fluid Dynamics and Power Plant Components, Fuel Cells, Simulation of Energy Conversion Systems, Renewable Energies, Thermo-Economic Analysis and Optimisation, Combustion, Chemical Reactors, Carbon Capture and Sequestration, Building/Urban/Complex Energy Systems, Water Desalination and Use of Water Resources, Energy Systems- Environmental and Sustainability Issues, System Operation/ Control/Diagnosis and Prognosis, Industrial Ecology.
Application Of Exergy
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Author : Tolga Taner
language : en
Publisher: BoD – Books on Demand
Release Date : 2018-06-06
Application Of Exergy written by Tolga Taner and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-06 with Science categories.
The main scope of this study is to emphasize exergy efficiency in all fields of industry. The chapters collected in the book are contributed by invited researchers with a long-standing experience in different research areas. I hope that the material presented here is understandable to a wide audience, not only energy engineers but also scientists from various disciplines. The book contains seven chapters in three sections: (1) "General Information about Exergy," (2) "Exergy Applications," and (3) "Thermoeconomic Analysis." This book provides detailed and up-to-date evaluations in different areas written by academics with experience in their fields. It is anticipated that this book will make a scientific contribution to exergy workers, researchers, academics, PhD students, and other scientists in both the present and the future.
Selected Papers From Sdewes 2017 The 12th Conference On Sustainable Development Of Energy Water And Environment Systems
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Author : Francesco Calise
language : en
Publisher: MDPI
Release Date : 2019-02-04
Selected Papers From Sdewes 2017 The 12th Conference On Sustainable Development Of Energy Water And Environment Systems written by Francesco Calise and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-04 with Engineering (General). Civil engineering (General) categories.
This book is a printed edition of the Special Issue "Selected Papers from SDEWES 2017: The 12th Conference on Sustainable Development of Energy, Water and Environment Systems" that was published in Energies