Thermal Use Of Shallow Groundwater
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Thermal Use Of Shallow Groundwater
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Author : Fritz Stauffer
language : en
Publisher: CRC Press
Release Date : 2013-12-12
Thermal Use Of Shallow Groundwater written by Fritz Stauffer and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-12 with Technology & Engineering categories.
The thermal use of the shallow subsurface is increasingly being promoted and implemented as one of many promising measures for saving energy. A series of questions arises concerning the design and management of underground and groundwater heat extraction systems, such as the sharing of the thermal resource and the assessment of its long-term potent
Impacts Of Shallow Geothermal Energy On Groundwater Quality
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Author : Matthijs Bonte
language : en
Publisher: IWA Publishing
Release Date : 2015-01-15
Impacts Of Shallow Geothermal Energy On Groundwater Quality written by Matthijs Bonte and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-15 with Science categories.
The use of shallow geothermal energy (SGE) systems to acclimatize buildings has increased exponentially in the Netherlands and worldwide. In certain areas, SGE systems are constructed in aquifers also used for drinking water supply raising the question of potential groundwater quality impact. Impacts of Shallow Geothermal Energy on Groundwater Quality provides a hydrochemical and geomicrobial overview of the effects of ground source heat pumps and aquifer thermal energy storage. The area is investigated with field and laboratory experiments, and reactive transport models, showing that shallow geothermal energy systems can influence groundwater quality in a number of ways. Most prominent in open ground source heating systems operating at low temperature (20°C) is the physical mixing of deep and shallow groundwater of different quality distorting the natural water quality stratification in aquifers. At a temperature of 25°C and beyond certain trace elements were observed to mobilize in laboratory experiments, and beyond 40°C redox conditions change significantly while the microbial community shift towards a thermophilic community. div Based on the results of this research, guidelines are presented for monitoring and permitting of SGE systems. The book is a useful resource for regulators of these systems, water companies and installers of the SGE systems. Author: Matthijs Bonte, Amsterdam, The Netherlands
Thermal Use Of Shallow Groundwater
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Author : Fritz Stauffer
language : en
Publisher: CRC Press
Release Date : 2013-12-12
Thermal Use Of Shallow Groundwater written by Fritz Stauffer and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-12 with Technology & Engineering categories.
The thermal use of the shallow subsurface is increasingly being promoted and implemented as one of many promising measures for saving energy. A series of questions arises concerning the design and management of underground and groundwater heat extraction systems, such as the sharing of the thermal resource and the assessment of its long-term potential. For the proper design of thermal systems it is necessary to assess their impact on underground and groundwater temperatures. Thermal Use of Shallow Groundwater introduces the theoretical fundamentals of heat transport in groundwater systems, and discusses the essential thermal properties. It presents a complete overview of analytical and numerical subsurface heat transport modeling, providing a series of mathematical tools and simulation models based on analytical and numerical solutions of the heat transport equation. It is illustrated with case studies from Austria, Germany, and Switzerland of urban thermal energy use, and heat storage and cooling. This book gives a complete set of analytical solutions together with MATLAB® computer codes ready for immediate application or design. It offers a comprehensive overview of the state of the art of analytical and numerical subsurface heat transport modeling for students in civil or environmental engineering, engineering geology, and hydrogeology, and also serves as a reference for industry professionals.
Shallow Geothermal Energy
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Author : Alejandro García Gil
language : en
Publisher: Springer Nature
Release Date : 2022-01-31
Shallow Geothermal Energy written by Alejandro García Gil and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-01-31 with Science categories.
This book is the outcome of more than a decade of research and technical development activities at Spain’s Geological Survey (IGME) concerning shallow geothermal energy, which were pursued in collaboration with other public bodies and European entities. It presents a compilation of papers on the theoretical foundations of, and practical aspects needed to understand the thermal regime of the topmost subsoil, up to 400 m deep, and the exceptional properties that this underground environment offers, which make it the ideal thermal reservoir for heating, ventilation, and air conditioning (HVAC). In the book’s first section, the basic theory of thermodynamics as applied to shallow geothermal energy, heat transfer and fluid mechanics in the geological porous medium is developed. The nature of the subsoil’s thermal regime in general and in the urban environment in particular is described. The second section introduces readers to the fundamental aspects of thermal installations equipped with geothermal heat pumps, describes the types of geothermal exchangers most commonly used, and reviews the techniques used to obtain the thermal parameters of the terrain. It also discusses the potential environmental impacts of shallow geothermal activity and corresponding management strategies, as well as the legal aspects of its regulation for the governance of shallow geothermal resources in the EU in general and Spain in particular. In closing, the book highlights examples of the methodologies’ applications, developed by IGME in the city of Zaragoza and the Canary Islands. The theoretical foundations, systematics and concrete applications make the book a valuable reference source for hydrogeologists, engineers and specialized technicians alike.
Shallow Geothermal Systems
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Author :
language : en
Publisher:
Release Date : 2018-05
Shallow Geothermal Systems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05 with categories.
Wind power and solar power systems have become part of common knowledge and conversation over the past few years. While these provide excellent sustainable options of energy production, geothermal energy systems are just as efficient and economical. Shallow geothermal systems are mainly based on using low - moderate temperatures for heating and cooling. These temperatures are naturally found in the upper geological layers and will mostly be in the same order as the average outdoors temperature seen over a year. The earth has a generally constant temperature throughout the year which can be used in geothermal systems to benefit all sites. Using these temperatures in geothermal system is referred to a direct use, mainly for serving as a source of heat for heat pump applications. Geothermal systems create positive energy, meaning that they produce higher quantities of energy than they require operating. Geothermal energy has until recently had a considerable economic potential only in areas where thermal water or steam is found concentrated at depths less than 3 km in restricted volumes analogous to oil in commercial oil reservoirs. This has recently changed with developments in the application of ground-source heat pumps using the earth as a heat source for heating or as a heat sink for cooling, depending on the season. This has made it possible for all countries to use the heat of the earth for heating and/or cooling, as appropriate. Shallow Geothermal Systems is aimed at appropriate modes of development, utilization, and dividing the suitable areas of shallow geothermal energy according to the resource conditions of shallow geothermal energy. The book focuses on the proper exploitation of the ground for geothermal purposes without unfavorably affecting the ground or the groundwater on the one hand and the operation of the system and nearby buildings on the other. SGE is in many cases a financially viable and an energy efficient way of acclimatizing houses and buildings. For this reason, governments are actively stimulating the application of shallow geothermal energy which has led to a strong growth in the application of these systems.
Shallow Geothermal Systems
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Author : Geotechnik
language : en
Publisher: John Wiley & Sons
Release Date : 2016-05-13
Shallow Geothermal Systems written by Geotechnik and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-13 with Technology & Engineering categories.
The recommendations summarise the state of the art. Their aim is the proper exploitation of the ground for geothermal purposes without adversely affecting the ground or the groundwater on the one hand and the operation of the system and nearby buildings on the other. The recommendations should be used during consulting, design, installation and operation in order to achieve optimum and sustainable use of the ground at a specific location. Authorities responsible for supervising and approving projects can use the recommendations as a guide when taking decisions and making stipulations. The Geothermal Energy Study Group was set up in Bochum in 2004 and became the joint DGGV/DGGT study group in 2007. Some 20 specialists from universities, authorities and engineering consultants are active in the group and meet two or three times a year.
Impacts Of Shallow Geothermal Energy On Groundwater Quality
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Author : Matthijs Bonte
language : en
Publisher:
Release Date : 2013
Impacts Of Shallow Geothermal Energy On Groundwater Quality written by Matthijs Bonte and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Volume Ii Low Enthalpy Geothermal Energy
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Author : Rajandrea Sethi
language : en
Publisher: MDPI
Release Date : 2020-12-10
Volume Ii Low Enthalpy Geothermal Energy written by Rajandrea Sethi and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-10 with Technology & Engineering categories.
Low enthalpy geothermal energy has a great potential to reduce the climate impact of building heating and cooling systems. The use of this renewable energy source involves a number of scientific disciplines including energy engineering, heat transfer, geology, hydrogeology, chemistry, and economics. Low enthalpy geothermal energy, i.e., the underground heat available at temperatures below 90°C, has great potential in terms of reducing the climate impact of heating and cooling buildings. It can also be employed for other thermal uses, such as industrial processes, road de-icing, and bathing. The Special Issue “Volume II: Low Enthalpy Geothermal Energy” includes seven articles that discuss the topic from the following points of view: mapping of shallow geothermal potential, recent developments for enhancing the performance of borehole heat exchangers, exploitation of asphalt-covered surfaces for heating, measurement of the thermal conductivity of rocks and sediments, and performance monitoring of closed-loop and open-loop low enthalpy geothermal systems.
An Introduction To Thermogeology
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Author : David Banks
language : en
Publisher: John Wiley & Sons
Release Date : 2009-01-26
An Introduction To Thermogeology written by David Banks and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-01-26 with Technology & Engineering categories.
The use of the heat stored in the shallow subsurface for space heating (ground source heat) is widely used in North America and many European nations, such as Sweden, and is regarded as the most important and reliable 'green' space heating technology. In many nations, including Britain, the technology remains poorly understood and under used. This situation is about to change, however, with the UK market for ground source heat pumps growing at over 100% per annum. This book offers practical guidance and will equip engineers, planners and geologists with the fundamental skills to assess and implement this new technology and to introduce them to the science behind thermogeology.
Shallow Groundwater Systems
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Author :
language : en
Publisher:
Release Date : 1994
Shallow Groundwater Systems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.