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Influence Of Aquifer Heterogeneity On The Design And Modelling Of Aquifer Thermal Energy Storage Ates Systems
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Book Synopsis Influence of Aquifer Heterogeneity on the Design and Modelling of Aquifer Thermal Energy Storage (ATES) Systems by : David W. Bridger
Download or read book Influence of Aquifer Heterogeneity on the Design and Modelling of Aquifer Thermal Energy Storage (ATES) Systems written by David W. Bridger and published by . This book was released on 2006 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: A modelling study was carried out to evaluate the influence of aquifer heterogeneity, as represented by geologic layering, on heat transport and storage in aquifer thermal energy storage (ATES) systems. An existing ATES system installed within a heterogeneous aquifer system in Agassiz, British Columbia, Canada was used as a case study. Two 3D heat transport models of the study site were developed and calibrated using the heat transport code FEFLOW, including: a "simple"model domain with uniform hydraulic and thermal properties (no layering); and, a "complex" aquifer domain with variable hydraulic and thermal properties assigned to discrete layers to represent aquifer heterogeneity. Comparison of simulation results indicated heat transport in higher permeability layers was significant. Effects of heterogeneity on thermal energy storage and recoverability were not observed. Heat transport in the aquifer was determined to be more sensitive to properties and boundary conditions which influence convective heat transport.
Book Synopsis Review of Simulation Techniques for Aquifer Thermal Energy Storage (ATES). by :
Download or read book Review of Simulation Techniques for Aquifer Thermal Energy Storage (ATES). written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The storage of thermal energy in aquifers has recently received considerable attention as a means to conserve and more efficiently use energy supplies. The analysis of aquifer thermal energy storage (ATES) systems will rely on the results from mathematical and geochemical models. Therefore, the state-of-the-art models relevant to ATES was reviewed and evaluated. These models describe important processes active in ATES including ground-water flow, heat transport (heat flow), solute transport (movement of contaminants), and geochemical reactions. In general, available models of the saturated ground-water environment are adequate to address most concerns associated with ATES; that is, design, operation, and environmental assessment. In those cases where models are not adequate, development should be preceded by efforts to identify significant physical phenomena and relate model parameters to measurable quantities. Model development can then proceed with the expectation of an adequate data base existing for the model's eventual use. Review of model applications to ATES shows that the major emphasis has been on generic sensitivity analysis and site characterization. Assuming that models are applied appropriately, the primary limitation on model calculations is the data base used to construct the model. Numerical transport models are limited by the uncertainty of subsurface data and the lack of long-term historical data for calibration. Geochemical models are limited by the lack of thermodynamic data for the temperature ranges applicable to ATES. Model applications undertaken with data collection activities on ATES sites should provide the most important contributions to the understanding and utilization of ATES. Therefore, the primary conclusion of this review is that model application to field sites in conjunction with data collection activities is essential to the development of this technology.
Book Synopsis Optimizing the Design and Operation of Aquifer Thermal Energy Systems by :
Download or read book Optimizing the Design and Operation of Aquifer Thermal Energy Systems written by and published by . This book was released on 1994 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of Aquifer Thermal Energy Storage (ATES) systems is complicated by significant uncertainties in ones ability to reliably predict the response of the aquifer to fluid and thermal fluxes. Overdesigning the system, to compensate for these uncertainties, reduces the potential economic and energy benefits of an ATES system. Underdesigning the system results in systems that fail to meet design targets. Unfortunately, standard aquifer characterization methods and hydrologic models do not provide adequate information to overcome these uncertainties. Thus, expensive full-scale tests are generally recommended to develop an adequate-understanding of the systems response. However, the standard engineering {open_quotes}design-build-operate{close_quotes} process is not. appropriate for ATES systems because an optimal design cannot be completed without some operational experience, i.e., field tests. A more adaptive engineering process is required. This engineering process should be flexible enough to allow the design to be adjusted during the operation, as monitoring data become available and as an understanding of the system response increases. Engineering approaches being developed for environmental restoration of contaminated soil and groundwater can be adapted to optimally design and operate ATES systems.
Book Synopsis Design of Aquifer Thermal Energy Storage by : Sam Johansson
Download or read book Design of Aquifer Thermal Energy Storage written by Sam Johansson and published by . This book was released on 1989 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermal Energy Storage in Aquifers by : Walter J. Schaetzle
Download or read book Thermal Energy Storage in Aquifers written by Walter J. Schaetzle and published by Pergamon. This book was released on 1980 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proposal for Providing Conceptual Designs to Demonstrate the Feasibility of Using an Aquifer Thermal Energy Storage System (ATES) on a Seasonal Basis in Heating And/or Cooling Applications: Technical proposal by : University of Minnesota. Physical Plant
Download or read book Proposal for Providing Conceptual Designs to Demonstrate the Feasibility of Using an Aquifer Thermal Energy Storage System (ATES) on a Seasonal Basis in Heating And/or Cooling Applications: Technical proposal written by University of Minnesota. Physical Plant and published by . This book was released on 1979 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modelling and Monitoring of Aquifer Thermal Energy Storage by :
Download or read book Modelling and Monitoring of Aquifer Thermal Energy Storage written by and published by . This book was released on 2015 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The University of Minnesota Aquifer Thermal Energy Storage (ATES) Field Test Facility by :
Download or read book The University of Minnesota Aquifer Thermal Energy Storage (ATES) Field Test Facility written by and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design, Performance, and Analysis of an Aquifer Thermal-energy-storage Experiment Using the Doublet-well Configuration by :
Download or read book Design, Performance, and Analysis of an Aquifer Thermal-energy-storage Experiment Using the Doublet-well Configuration written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In March 1980 Auburn University began series of aquifer thermal energy storage (ATES) experiments using the doublet well configuration. The test site was in Mobile, Alabama. The objectives of the three experimental cycles were to demonstrate the technical feasibility of the ATES concept, to identify and resolve operational problems, and to acquire a data base for developing and testing mathematical models. Pre-injection tests were performed and analyses of hydraulic, geochemical, and thermodynamic data were completed. Three injection-storage-recovery cycles had injection volumes of 25,402 m/sup 3/, 58,010 m/sup 3/, and 58,680 m/sup 3/ and average injection temperatures of 58.5/sup 0/C, 81.0/sup 0/C, and 79.0/sup 0/C, respectively. The first cycle injection began in February 1981 and the third cycle recovery was completed in November 1982. Attributable to the doublet well configuration no clogging of injection wells occurred. Energy recovery percentages based on recovery volumes equal to the injection volumes were 56, 45, and 42%. Thermal convection effects were observed. Aquifer nonhomogeneity, not detectable using standard aquifer testing procedures, was shown to reduce recovery efficiency.
Download or read book Canadian Geotechnical Journal written by and published by . This book was released on 2010 with total page 758 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1983 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guidelines for Conceptual Design and Evaluation of Aquifer Thermal Energy Storage by :
Download or read book Guidelines for Conceptual Design and Evaluation of Aquifer Thermal Energy Storage written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Guidelines are presented for use as a tool by those considering application of a new technology, aquifer thermal energy storage (ATES). The guidelines will assist utilities, municipalities, industries, and other entities in the conceptual design and evaluation of systems employing ATES. The potential benefits of ATES are described, an overview is presented of the technology and its applications, and rules of thumb are provided for quickly judging whether a proposed project has sufficient promise to warrant detailed conceptual design and evaluation. The characteristics of sources and end uses of heat and chill which are seasonally mismatched and may benefit from ATES (industrial waste heat, cogeneration, solar heat, and winter chill, for space heating and air conditioning) are discussed. Storage and transport subsystems and their expected performance and cost are described. A 10-step methodology is presented for conceptual design of an ATES system and evaluation of its technical and economic feasibility in terms of energy conservation, cost savings, fuel substitution, improved dependability of supply, and abatement of pollution, with examples, and the methodology is applied to a hypothetical proposed ATES system, to illustrate its use.
Book Synopsis Proposal for Providing Conceptual Designs to Demonstrate the Feasibility of Using an Aquifer Thermal Energy Storage System (ATES) on a Seasonal Basis in Heating And/or Cooling Applications: Technical proposal appendices by :
Download or read book Proposal for Providing Conceptual Designs to Demonstrate the Feasibility of Using an Aquifer Thermal Energy Storage System (ATES) on a Seasonal Basis in Heating And/or Cooling Applications: Technical proposal appendices written by and published by . This book was released on 1979 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proposal for Providing Conceptual Designs to Demonstrate the Feasibility of Using an Aquifer Thermal Energy Storage System (ATES) on a Seasonal Basis in Heating And/or Cooling Applications: Cost and business proposal by :
Download or read book Proposal for Providing Conceptual Designs to Demonstrate the Feasibility of Using an Aquifer Thermal Energy Storage System (ATES) on a Seasonal Basis in Heating And/or Cooling Applications: Cost and business proposal written by and published by . This book was released on 1979 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1983 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydrogeology written by Alain Dassargues and published by CRC Press. This book was released on 2018-09-03 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text combines the science and engineering of hydrogeology in an accessible, innovative style. As well as providing physical descriptions and characterisations of hydrogeological processes, it also sets out the corresponding mathematical equations for groundwater flow and solute/heat transport calculations. And, within this, the methodological and conceptual aspects for flow and contaminant transport modelling are discussed in detail. This comprehensive analysis forms the ideal textbook for graduate and undergraduate students interested in groundwater resources and engineering, and indeed its analyses can apply to researchers and professionals involved in the area.
Book Synopsis Designing an Optimal Urban Community Mix for an Aquifer Thermal Energy Storage System by : Ryan Zizzo
Download or read book Designing an Optimal Urban Community Mix for an Aquifer Thermal Energy Storage System written by Ryan Zizzo and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
