Heat as a tracer to quantify water flow in near-surface sediments

GC Rau, MS Andersen, AM McCallum, H Roshan… - Earth-Science …, 2014 - Elsevier
The dynamic distribution of thermal conditions present in saturated near-surface sediments
have been widely utilised to quantify the flow of water. A rapidly increasing number of …

Numerical simulation of magmatic hydrothermal systems

SE Ingebritsen, S Geiger, S Hurwitz… - Reviews of …, 2010 - Wiley Online Library
The dynamic behavior of magmatic hydrothermal systems entails coupled and nonlinear
multiphase flow, heat and solute transport, and deformation in highly heterogeneous media …

The system H2O–NaCl. Part II: Correlations for molar volume, enthalpy, and isobaric heat capacity from 0 to 1000 C, 1 to 5000 bar, and 0 to 1 XNaCl

T Driesner - Geochimica et Cosmochimica Acta, 2007 - Elsevier
A set of correlations for the volumetric properties and enthalpies of phases in the system
H2O–NaCl as a function of temperature, pressure, and composition has been developed …

Experimental investigation of the thermal dispersivity term and its significance in the heat transport equation for flow in sediments

GC Rau, MS Andersen… - Water Resources Research, 2012 - Wiley Online Library
A review of heat and solute transport in sediments demonstrates that the use of heat as a
tracer has not been experimentally evaluated under the same experimental conditions as …

Numerical simulation of multi-phase fluid flow in structurally complex reservoirs

SK Matthäi, S Geiger, SG Roberts, A Paluszny… - 2007 - pubs.geoscienceworld.org
Realistic simulation of structurally complex reservoirs (SCR) is challenging in at least three
ways:(1) geological structures must be represented and discretized accurately on vastly …

Hybrid finite element–finite volume discretization of complex geologic structures and a new simulation workflow demonstrated on fractured rocks

A Paluszny, SK Matthäi, M Hohmeyer - Geofluids, 2007 - Wiley Online Library
The generation of computational meshes of complex geological objects is a challenge: their
shape needs to be retained, resolution has to adapt to local detail, and variations of material …

Semianalytical solutions for cocurrent and countercurrent imbibition and dispersion of solutes in immiscible two‐phase flow

KS Schmid, S Geiger, KS Sorbie - Water Resources Research, 2011 - Wiley Online Library
We derive a set of semianalytical solutions for the movement of solutes in immiscible two‐
phase flow. Our solutions are new in two ways: First, we fully account for the effects of …

Hydrothermal, multiphase convection of H2O‐NaCl fluids from ambient to magmatic temperatures: a new numerical scheme and benchmarks for code comparison

P Weis, T Driesner, D Coumou, S Geiger - Geofluids, 2014 - Wiley Online Library
Thermohaline convection of subsurface fluids strongly influences heat and mass fluxes
within the Earth's crust. The most effective hydrothermal systems develop in the vicinity of …

Phase separation, brine formation, and salinity variation at Black Smoker hydrothermal systems

D Coumou, T Driesner, P Weis… - Journal of Geophysical …, 2009 - Wiley Online Library
We present the first fully transient 2‐D numerical simulations of black smoker hydrothermal
systems using realistic fluid properties and allowing for all phase transitions possible in the …

Non‐Fourier thermal transport in fractured geological media

S Geiger, S Emmanuel - Water Resources Research, 2010 - Wiley Online Library
In a similar way to solute transport, heat transfer in porous media is governed by advection
and dispersion processes, and “non‐Fourier” behavior, characterized by early breakthrough …