Page 7 - Geothermal Energy Systems Exploration, Development, and Utilization
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Contents
Preface XV
List of Contributors XIX
1 Reservoir Definition 1
Patrick Ledru and Laurent Guillou Frottier
1.1 Expressions of Earth’s Heat Sources 1
1.1.1 Introduction to Earth’s Heat and Geothermics 1
1.1.2 Cooling of the Core, Radiogenic Heat Production, and Mantle
Cooling 2
1.1.3 Mantle Convection and Heat Loss beneath the Lithosphere 4
1.1.3.1 Mantle Heat Flow Variations 4
1.1.3.2 Subcontinental Thermal Boundary Condition 5
1.1.4 Fourier’ Law and Crustal Geotherms 6
1.1.5 Two-dimensional Effects of Crustal Heterogeneities on Temperature
Profiles 8
1.1.5.1 Steady-state Heat Refraction 8
1.1.5.2 Transient Effects 10
1.1.5.3 Role of Anisotropy of Thermal Conductivity 10
1.1.6 Fluid Circulation and Associated Thermal Anomalies 12
1.1.7 Summary 13
1.2 Heat Flow and Deep Temperatures in Europe 13
1.2.1 Far-field Conditions 14
1.2.2 Thermal Conductivity, Temperature Gradient, and Heat Flow Density
in Europe 17
1.2.3 Calculating Extrapolated Temperature at Depth 18
1.2.4 Summary 20
1.3 Conceptual Models of Geothermal Reservoirs 21
1.3.1 The Geology of Potential Heat Sources 22
1.3.2 Porosity, Permeability, and Fluid Flow in Relation to the Stress
Field 27
1.3.3 Summary 30
References 32
Geothermal Energy Systems. Edited by Ernst Huenges
Copyright 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
ISBN: 978-3-527-40831-3
