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Advanced District Heating and Cooling (DHC) Systems

Advanced District Heating and Cooling (DHC) Systems
Author: Robin Wiltshire
Publisher: Woodhead Publishing
Total Pages: 365
Release: 2015-08-31
Genre: Technology & Engineering
ISBN: 1782423958

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Advanced District Heating and Cooling (DHC) Systems presents the latest information on the topic, providing valuable information on the distribution of centrally generated heat or cold energy to buildings, usually in the form of space heating, cooling, and hot water. As DHC systems are more efficient and less polluting than individual domestic or commercial heating and cooling systems, the book provides an introduction to DHC, including its potential contribution to reducing carbon dioxide emissions, then reviews thermal energy generation for DHC, including fossil fuel-based technologies, those based on renewables, and surplus heat valorization. Final sections address methods to improve the efficiency of DHC. Gives a comprehensive overview of DHC systems and the technologies and energy resources utilized within these systems Analyzes the various methods used for harnessing energy to apply to DHC systems Ideal resource for those interested in district cooling, teleheating, heat networks, distributed heating, thermal energy, cogeneration, combined heat and power, and CHP Reviews the application of DHC systems in the field, including both the business model side and the planning needed to implement these systems


Assessment of Impact of Advanced Energy Transmission Fluids on District Heating and Cooling Systems (phase I)

Assessment of Impact of Advanced Energy Transmission Fluids on District Heating and Cooling Systems (phase I)
Author: K. E. Kasza
Publisher:
Total Pages: 0
Release: 1987
Genre: Cooling
ISBN:

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Argonne National Laboratory (ANL), under sponsorship of the US Department of Energy (DOE) Office of Buildings and Community Systems, has embarked upon a comprehensive, long-range program to develop high-performance advanced energy transmission fluids for use in district heating and cooling (DHC) systems. ANL has the lead technical role in this DOE program.


District Heating and Cooling Technology Development Program

District Heating and Cooling Technology Development Program
Author:
Publisher:
Total Pages: 71
Release: 1992
Genre:
ISBN:

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A detailed assessment has been completed of the use of desiccant-based customer-sited heat-actuated cooling for District Heating and Cooling (DHC) systems, showing that introduction of a reduced-cost desiccant cooling system would result in widespread market penetration. This program consisted of three principal components: a market study of existing and future reduced-cost liquid desiccant cooling (LDC) systems; an examination of the installed costs of these existing and reduced-cost LDC systems; and four detailed case studies. Both the installed cost and equivalent chilled water cost of existing large LDC systems were found to be quite competitive with district chilled water, while the high capital cost of small LDC systems made them more expensive than district chilled water. Potential total system sales in this existing large-scale LDC market are quite low, since most of the market for DHC space conditioning is in smaller equipment sizes. Cost savings realized from producing a reduced-cost LDC system would result in small LDC systems (sized well below 6,000 cfm) becoming competitive with the current range of district chilled water costs.


District Heating and Cooling in the United States

District Heating and Cooling in the United States
Author: National Research Council
Publisher: National Academies Press
Total Pages: 168
Release: 1985-02-01
Genre: Science
ISBN: 0309035376

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Used historically in urban areas but now mainly in institutions, district heating and cooling systemsâ€"efficient centralized energy systems that may use energy sources other than petroleumâ€"have gained renewed interest. This volume is a nontechnical examination of the history and current extent of district heating and cooling systems in the United States, their costs and benefits, technical requirements, market demand for them, and European experience with such systems, with major focus on the problems of financing, regulation, and taxation. Appendixes provide case studies of cities and towns currently using district heating and cooling systems.


Assessment of Impact of Advanced Energy Transmission Fluids on District Heating and Cooling Systems (Phase 1).

Assessment of Impact of Advanced Energy Transmission Fluids on District Heating and Cooling Systems (Phase 1).
Author:
Publisher:
Total Pages:
Release: 1987
Genre:
ISBN:

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Argonne National Laboratory (ANL), under sponsorship of the US Department of Energy (DOE) Office of Buildings and Community Systems, has embarked upon a comprehensive, long-range program to develop high-performance advanced energy transmission fluids for use in district heating and cooling (DHC) systems. ANL has the lead technical role in this DOE program. These advanced fluids will substantially reduce flow frictional losses and enhance energy transfer. In system enhancement scoping studies conducted by ANL, the fluids yielded potentially significant upfront capital equipment cost reductions by allowing the use of smaller pipes, pumps, heat exchangers, and storage tanks as well as reductions in operational costs. This report presents the first-phase results of assessment of impact of the advanced fluids on DHC systems. Future reports will focus on assessment of impact on hardware performance, capital eqiupment, and operation costs. 9 refs., 30 figs., 2 tab.


District Heating and Cooling Networks

District Heating and Cooling Networks
Author: Antonio Colmenar Santos
Publisher: MDPI
Total Pages: 270
Release: 2020-05-12
Genre: Technology & Engineering
ISBN: 3039288393

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Conventional thermal power generating plants reject a large amount of energy every year. If this rejected heat were to be used through district heating networks, given prior energy valorisation, there would be a noticeable decrease in the amount of fossil fuels imported for heating. As a consequence, benefits would be experienced in the form of an increase in energy efficiency, an improvement in energy security, and a minimisation of emitted greenhouse gases. Given that heat demand is not expected to decrease significantly in the medium term, district heating networks show the greatest potential for the development of cogeneration. Due to their cost competitiveness, flexibility in terms of the ability to use renewable energy resources (such as geothermal or solar thermal) and fossil fuels (more specifically the residual heat from combustion), and the fact that, in some cases, losses to a country/region’s energy balance can be easily integrated into district heating networks (which would not be the case in a “fully electric” future), district heating (and cooling) networks and cogeneration could become a key element for a future with greater energy security, while being more sustainable, if appropriate measures were implemented. This book therefore seeks to propose an energy strategy for a number of cities/regions/countries by proposing appropriate measures supported by detailed case studies.


Fiscal Year 1990 Department of Energy Authorization

Fiscal Year 1990 Department of Energy Authorization
Author: United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Energy Research and Development
Publisher:
Total Pages: 394
Release: 1989
Genre: Energy policy
ISBN:

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Handbook of Low Temperature District Heating

Handbook of Low Temperature District Heating
Author: Roberto Garay-Martinez
Publisher: Springer Nature
Total Pages: 234
Release: 2022-10-30
Genre: Architecture
ISBN: 3031104102

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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 systems is 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.