Olaf Kolditz – författare
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27 produkter
27 produkter
Häftad, Engelska, 2018
1 405 kr
Skickas inom 10-15 vardagar
This volume of the Chinese Water Systems subseries offers up-to-date and comprehensive information on various aspects of the Poyang Lake, the largest freshwater lake in China.
Häftad, Engelska, 2019
545 kr
Skickas inom 10-15 vardagar
This book describes the huge efforts by the Chinese Government concerning the restoration and future sustainable management of Chinese water systems. It presents the results of a Sino-European joint project concerning the Songhuajiang-Liaohe River Basin (SLRB) in Northeast China conducted by the Chinese Research Academy of Environmental Sciences (CRAES), the Helmholtz Centre for Environmental Research - UFZ, Germany, and the Natural Environment Research Council as represented by the Centre for Ecology and Hydrology (CEH), UK. The book explains in great detail the development of risk assessment and corresponding management methods for (i) controlling water pollution, (ii) assessing river health and ecological restoration options, (iii) characterizing persistent organic pollutants (POPs), and (iv) protecting fragile groundwater resources. It also describes the implemented demonstration sites of SLRB during the project course as well as lessons learnt on efficient project managementand the dissemination of knowledge and technologies.
Häftad, Engelska, 2019
1 083 kr
Skickas inom 10-15 vardagar
The book comprises the 3rd collection of benchmarks and examples for porous and fractured media mechanics. The 3rd THMC benchmark book also introduces benchmark-based tutorials, therefore the subtitle is selected as “From Benchmarking to Tutoring”.
Inbunden, Engelska, 2021
545 kr
Skickas inom 10-15 vardagar
This open access book summarizes the results of the collaborative project “GeomInt: Geomechanical integrity of host and barrier rocks - experiment, modeling and analysis of discontinuities” within the Program: Geo Research for Sustainability (GEO: N) of the Federal Ministry of Education and Research (BMBF).
Häftad, Engelska, 2023
330 kr
Skickas inom 10-15 vardagar
The success of the energy transition also depends to a large extent on the efficient and safe use of underground resources.This book complements the previous basic book (GeomInt—Integrity of Host Rocks) with a series of application examples in different rock formations, clay, salt, and crystalline.
625 kr
Skickas inom 5-8 vardagar
Inbunden, Engelska, 2024
437 kr
Skickas inom 10-15 vardagar
The collaborative Pilot Project, titled “Comparison of Thermo-Hydro-Mechanical-Chemical (THMC) Processes in Bentonite Barrier Systems”, aims to investigate the fundamentals, conduct laboratory and field experiments, and develop numerical models for barrier systems that ensure the safe isolation of radioactive waste in deep geological repositories.
Häftad, Engelska, 2025
437 kr
Skickas inom 10-15 vardagar
This book is open access book. The collaborative Pilot Project, titled “Comparison of Thermo-Hydro-Mechanical-Chemical (THMC) Processes in Bentonite Barrier Systems”, aims to investigate the fundamentals, conduct laboratory and field experiments, and develop numerical models for barrier systems that ensure the safe isolation of radioactive waste in deep geological repositories. This book compares methodologies and technologies used in experimental laboratory and field research, as well as systems analysis, in a collaborative work of German and Chinese scientists. Both parties have access to exceptional experimental and modelling research capabilities. The Beishan underground research laboratory (URL) is currently under construction in Gansu, China. It will serve as an international collaboration platform for URL research in the future. International cooperation is essential for excellent research and development due to the high cost of scientific programmes and technical operation of URLs, making it a precondition for providing secure solutions. This is important not only for deep geological repositories for radioactive waste disposal but also for other geoenergy applications, such as energy storage and geothermal energy utilization.
Inbunden, Engelska, 2014
1 083 kr
Skickas inom 10-15 vardagar
The present book provides guidance to understanding complicated coupled processes based on the experimental data available and implementation of developed algorithms in numerical codes. Results of selected test cases in the fields of closed-form solutions (e.g., deformation processes), single processes (such as groundwater flow) as well as coupled processes are presented.It is part of the OpenGeoSys initiative - an open source project to share knowledge and experience in environmental analysis and scientific computation with the community.
Häftad, Engelska, 2015
545 kr
Skickas inom 10-15 vardagar
This tutorial on the application of the open-source software OpenGeoSys (OGS) in computational hydrology is based on a one-week training course at the Helmholtz Centre for Environmental Research in Leipzig, Germany. It provides general information regarding hydrological and groundwater flow modeling and the pre-processing and step-by-step model setups of a case study with OGS and related components such as the OGS Data Explorer. The tutorial also illustrates the application of pre- and post-processing tools such as ArcGIS and ParaView. This book is intended primarily for graduate students and applied scientists who deal with hydrological-system analysis and hydrological modeling. It is also a valuable source of information for practicing hydrologists wishing to further their understanding of the numerical modeling of coupled hydrological-hydrogeological systems. This tutorial is the first in a series that will present further OGS applications in environmental sciences.
Inbunden, Engelska, 2016
1 083 kr
Skickas inom 10-15 vardagar
This book presents a new suite of benchmarks for and examples of porous media mechanics collected over the last two years. It continues the assembly of benchmarks and examples for porous media mechanics published in 2014. The book covers various applications in the geosciences, geotechnics, geothermal energy, and geological waste deposition. The analysis of thermo-hydro-mechanical-chemical (THMC) processes is essential to many applications in environmental engineering, such as geological waste deposition, geothermal energy utilisation, carbon capture and storage, water resources management, hydrology, and even climate change. In order to assess the feasibility and safety of geotechnical applications, process-based modelling is the only tool that can effectively quantify future scenarios, a fact which also creates a huge burden of responsibility concerning the reliability of computational tools. The book shows that benchmarking offers a suitable methodology for verifying the quality of modelling tools based on best practices, and together with code comparison fosters community efforts. It also provides a brief introduction to the DECOVALEX, SeSBench and MOMAS initiatives. This benchmark book is part of the OpenGeoSys initiative – an open source project designed to share knowledge and experience in environmental analysis and scientific computation.
Häftad, Engelska, 2016
545 kr
Skickas inom 10-15 vardagar
This introduction to geothermal modeling deals with flow and heat transport processes in porous and fractured media related to geothermal energy applications.
Häftad, Engelska, 2016
1 083 kr
Skickas inom 10-15 vardagar
The present book provides guidance to understanding complicated coupled processes based on the experimental data available and implementation of developed algorithms in numerical codes. Results of selected test cases in the fields of closed-form solutions (e.g., deformation processes), single processes (such as groundwater flow) as well as coupled processes are presented.It is part of the OpenGeoSys initiative - an open source project to share knowledge and experience in environmental analysis and scientific computation with the community.
Häftad, Engelska, 2016
545 kr
Skickas inom 10-15 vardagar
This book is dedicated to the numerical modeling of shallow geothermal systems. The utilization of shallow geothermal energy involves the integration of multiple Borehole Heat Exchangers (BHE) with Ground Source Heat Pump (GSHP) systems to provide heating and cooling.
Häftad, Engelska, 2017
545 kr
Skickas inom 10-15 vardagar
In this book, effective computational methods to facilitate those pivotal simulations using open-source software are introduced and discussed with a special focus on the coupled thermo-mechanical behavior of the rock salt.
Inbunden, Engelska, 2018
1 083 kr
Skickas inom 10-15 vardagar
The book comprises the 3rd collection of benchmarks and examples for porous and fractured media mechanics. Analysis of thermo-hydro-mechanical-chemical (THMC) processes is essential to a wide area of applications in environmental engineering, such as geological waste deposition, geothermal energy utilization (shallow and deep systems), carbon capture and storage (CCS) as well as water resources management and hydrology. In order to assess the feasibility, safety as well as sustainability of geoenvironmental applications, model-based simulation is the only way to quantify future scenarios. This charges a huge responsibility concerning the reliability of conceptual models and computational tools. Benchmarking is an appropriate methodology to verify the quality and validate the concept of models based on best practices. Moreover, benchmarking and code comparison are building strong community links. The 3rd THMC benchmark book also introduces benchmark-based tutorials, therefore the subtitle is selected as “From Benchmarking to Tutoring”. The benchmark book is part of the OpenGeoSys initiative - an open source project to share knowledge and experience in environmental analysis and scientific computation. The new version of OGS-6 is introduced and first benchmarks are presented therein (see appendices).
Häftad, Engelska, 2018
545 kr
Skickas inom 10-15 vardagar
Thermochemical gas-solid reactions, as well as adsorption processes, are currently of significant interest for the design of heat storage systems. This book provides detailed models of these reactions and processes that account for heat and mass transport, chemical and physical reactions, and possible local thermal non-equilibrium.
Inbunden, Engelska, 2018
545 kr
Skickas inom 10-15 vardagar
This book describes the huge efforts by the Chinese Government concerning the restoration and future sustainable management of Chinese water systems. It presents the results of a Sino-European joint project concerning the Songhuajiang-Liaohe River Basin (SLRB) in Northeast China conducted by the Chinese Research Academy of Environmental Sciences (CRAES), the Helmholtz Centre for Environmental Research - UFZ, Germany, and the Natural Environment Research Council as represented by the Centre for Ecology and Hydrology (CEH), UK. The book explains in great detail the development of risk assessment and corresponding management methods for (i) controlling water pollution, (ii) assessing river health and ecological restoration options, (iii) characterizing persistent organic pollutants (POPs), and (iv) protecting fragile groundwater resources. It also describes the implemented demonstration sites of SLRB during the project course as well as lessons learnt on efficient project managementand the dissemination of knowledge and technologies.
Häftad, Engelska, 2018
1 083 kr
Skickas inom 10-15 vardagar
This book presents a new suite of benchmarks for and examples of porous media mechanics collected over the last two years.
Inbunden, Engelska, 2018
1 083 kr
Skickas inom 10-15 vardagar
This volume addresses the latest results of the Major Water Program of the Chinese Government which aims at the restoration of polluted water environments and sustainable management of water resources in China. It specifically summarizes the results of the BMBF-CLIENT project “Management of Water Resources in Urban Catchments” and the related MoST project “Key Technologies and Management Modes for the Water Environmental Rehabilitation of a Lake City from the Catchment Viewpoint” in Chaohu. The project is conducted by the Helmholtz-Centre for Environmental Research UFZ, Technische Universität Dresden, German and Chinese companies (WISUTEC, AMC, bbe Moldaenke, itwh, OpenGeoSys e.V., HC System and EWaters) in close cooperation with Tongji University, Nanjing Institute of Geography and Limnology of Academy of Sciences, Institute for Hydrobiology of the Chinese Academy of Sciences and the Chaohu Lake Management Authority. The book explains the development of concepts and solutions for sustained water quality improvement in Chaohu, combining urban water resource management, decentralized sanitation solutions, methods in water quality assurance, environmental information systems and groundwater modeling.
Inbunden, Engelska, 2018
1 083 kr
Skickas inom 10-15 vardagar
This volume of the Chinese Water Systems subseries offers up-to-date and comprehensive information on various aspects of the Poyang Lake, the largest freshwater lake in China. Following a detailed introduction of the lake basin, the respective chapters present the findings of studies examining surface and subsurface hydrology, relationships between plant ecology and pollution of the wetlands, changes of land cover as well as the development of modern computational approaches to create Environmental Information Systems for water management. Moreover, the results are supplemented by a wealth of numerical calculations, tables, figures and photographs to make the research results more tangible. Closing with concise information on the “Research Centre for Environmental Information Science” (RCEIS), the book offers a valuable guide for researchers, teachers and professionals working in the areas of water environment, water security and ecological restoration. The projects have been supportedby the Sino-German Centre for Science Promotion, the Helmholtz Association and the Chinese Academy of Sciences.
Inbunden, Engelska, 2002
545 kr
Skickas inom 10-15 vardagar
Fluids, play an important role in environmental systems, appearing as surface water in rivers, lakes, and coastal regions or in the subsurface as well as in the atmosphere. Mechanics of environmental fluids is concerned with fluid motion, associated mass and heat transport in addition to deformation processes in subsurface systems. In this textbook the fundamental modelling approaches based on continuum mechanics for fluids in the environment are described, including porous media and turbulence. Numerical methods for solving the process governing equations and its object-oriented computer implementation are discussed and illustrated with examples. Finally the application of computer models in civil and environmental engineering is demonstrated.
Inbunden, Tyska, 1996
1 012 kr
Skickas inom 10-15 vardagar
Häftad, Engelska, 2011
545 kr
Skickas inom 10-15 vardagar
Fluids, play an important role in environmental systems, appearing as surface water in rivers, lakes, and coastal regions or in the subsurface as well as in the atmosphere. Mechanics of environmental fluids is concerned with fluid motion, associated mass and heat transport in addition to deformation processes in subsurface systems. In this textbook the fundamental modelling approaches based on continuum mechanics for fluids in the environment are described, including porous media and turbulence. Numerical methods for solving the process governing equations and its object-oriented computer implementation are discussed and illustrated with examples. Finally the application of computer models in civil and environmental engineering is demonstrated.
Del 86 - Lecture Notes in Computational Science and Engineering
Thermo-Hydro-Mechanical-Chemical Processes in Porous Media
Benchmarks and Examples
Inbunden, Engelska, 2012
1 083 kr
Skickas inom 10-15 vardagar
The book comprises an assembly of benchmarks and examples for porous media mechanics collected over the last twenty years. Analysis of thermo-hydro-mechanical-chemical (THMC) processes is essential to many applications in environmental engineering, such as geological waste deposition, geothermal energy utilisation, carbon capture and storage, water resources management, hydrology, even climate chance. In order to assess the feasibility as well as the safety of geotechnical applications, process-based modelling is the only tool to put numbers, i.e. to quantify future scenarios. This charges a huge responsibility concerning the reliability of computational tools. Benchmarking is an appropriate methodology to verify the quality of modelling tools based on best practices. Moreover, benchmarking and code comparison foster community efforts. The benchmark book is part of the OpenGeoSys initiative - an open source project to share knowledge and experience in environmental analysis and scientific computation.
Häftad, Tyska, 2013
861 kr
Skickas inom 10-15 vardagar
Del 86 - Lecture Notes in Computational Science and Engineering
Thermo-Hydro-Mechanical-Chemical Processes in Porous Media
Benchmarks and Examples
Häftad, Engelska, 2016
1 083 kr
Skickas inom 10-15 vardagar
The book comprises an assembly of benchmarks and examples for porous media mechanics collected over the last twenty years. The benchmark book is part of the OpenGeoSys initiative - an open source project to share knowledge and experience in environmental analysis and scientific computation.