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This book reviews the history and evolution of district heating networks, with a focus on current and future issues of the district heating sector. Novel developments in the field of low temperature district heating are studied, limitations for safe operation and avoidance of bacteria are considered, and the associated improved performance of the system with fewer network losses is presented.
This book showcases how the evolution of district heating networks is linked to the increased use of renewables and de-carbonized heat sources with specific focus to waste heat streams and solar energy systems. Considering the novelty of these technologies, technological developments and funding schemes for these investments are still immature to some extent. For that reason, a comprehensive review of the main aspects of energy planning as well as district heating economics and financing schemes for large-scale investments in renewable energy systems for district energy systemsis performed.
In the light of digitalization, networks are increasingly monitored, allowing for a drastic change in the approach for network operation. This book also explores the increased digitization and monitoring of networks and how this impacts network operation.
This book is of interest to engineers, academics and officials interested in energy systems, presenting readers with the key concepts and tools to adapt to the evolution of district heating into an integrated, digitized and higher performing system.
Sommario
Introduction.- History of District Heating.- Low Temperature District Heating, Developments 2000-2020.- Evolution of Energy Markets, Cost of Energy Carriers.- De-Carbonisation of District Heating, Waste Heat Streams.- Solar Systems in District Heating.- Integrated Energy Planning at Regional Level.- System Level Planning of Production Technologies.- Planning of DHs. New Networks.- Conversion of Existing DHs.- District Cooling.- Cool District Heating.- Cooling Over District Heating.- Data Analytics.- Policy Recommendations.- Perspectives 2020-2040.
Info autore
Dr. Roberto Garay Martinez is a lead researcher in building physics, heat transfer, and energy systems for the built environment. He has been involved in research and engineering in relation to energy in buildings for ten years. He has been a staff member of the KUBIK test facility since 2011 and has taken part in the design teams of six experimental facilities in Europe and overseas. He has authored over 40 conference and journal papers, two patents and two books. He has also co-organized several international conferences and been appointed by external expert to conferences (3) and evaluation processes. Since 2017, he has been Project Coordinator of h2020 project RELaTED, a de-carbonized heat concept by means of low-T distribution, reuse of waste heat and incorporation of solar thermal systems at district and building scale.
Mr. Antonio GARRIDO-MARIJUAN is a researcher in Energy in the Built Environment, with a background in energy simulation and data analytics for the built environment. He has been involved in research, energy modelling, engineering and experimental assessment for more than a decade, with participation on over 10 large European projects. His research activity was initiated at CIEMAT, with direct involvement in the development of innovative systems for a compromise between energy efficiency and indoor air quality. His also worked for the AIT, Austrian largest research centre, developing different tools and KPIs for energy performance assessment at district level. Since 2018, his research activity is carried out at Tecnalia, where he actively participates in the implementation and optimization of low-carbon energy systems such as fourth-generation district heating networks based on simulation tools and data analytics.
