Thermal conductivity estimation model considering the effect of water saturation explaining the heterogeneity of rock thermal conductivity

K Albert, M Schulze, C Franz, R Koenigsdorff… - Geothermics, 2017 - Elsevier
The study presents the statistical data of the effective thermal conductivity (λ e) of
sandstones, mudstones, and marlstones from Bavaria, Germany. The measurements were …

Effect of temperature and pressure on the thermal conductivity of sandstone

Z Abdulagatova, IM Abdulagatov, VN Emirov - International Journal of Rock …, 2009 - Elsevier
Effective thermal conductivity (ETC) of dry sandstone was measured over a temperature
range from 275 to 523K and at pressures up to 400MPa with a guarded parallel-plate …

[HTML][HTML] Environmentally-friendly ceramic bricks made from zeolite-poor rock and sawdust

JEFM Ibrahim, M Tihtih, LA Gömze - Construction and Building Materials, 2021 - Elsevier
The production of innovative building bricks from new materials has drawn a huge interest
lately, targeting sustainability-related problems. This research investigates the utilization of …

Thermally enhanced polyolefin composites: fundamentals, progress, challenges, and prospects

AU Chaudhry, AN Mabrouk… - Science and Technology of …, 2020 - Taylor & Francis
The low thermal conductivity of polymers is a barrier to their use in applications requiring
high thermal conductivity such as electronic packaging, heat exchangers, and thermal …

Physical and micro-structural characteristics of limestone after high temperature exposure

QB Meng, CK Wang, JF Liu, MW Zhang, MM Lu… - Bulletin of Engineering …, 2020 - Springer
Temperature is a major factor affecting physical and mechanical rock properties. With
increasing temperature, a series of variations enlarge the internal defects within rocks …

Evaluating the thermal performance of unsaturated bentonite–sand–graphite as buffer material for waste repository using an improved prediction model

X Liu, SSC Congress, G Cai, L Liu… - Canadian …, 2022 - cdnsciencepub.com
Buffer materials that are used to isolate heat-emitting waste canisters must bear a strong
thermal load and have good thermal conductivity and stability. This study investigated the …

The influence of the pore shape on the bulk modulus and the Biot coefficient of fluid-saturated porous rocks

APS Selvadurai, AP Suvorov - Scientific Reports, 2020 - nature.com
Fluid-saturated rocks are multi-phasic materials and the mechanics of partitioning the
externally applied stresses between the porous skeleton of the rock and the interstitial fluids …

Multiple-inclusion model for the transport properties of porous composites considering coupled effects of pores and interphase around spheroidal particles

W Xu, D Zhang, P Lan, Y Jiao - International Journal of Mechanical …, 2019 - Elsevier
Understanding of the effects of particle geometries, pores and interphase characteristics on
transport properties of porous composites is very crucial to the smart design of porous …

[HTML][HTML] Effective thermal conductivity of transversely isotropic media with arbitrary oriented ellipsoidal inhomogeneities

A Giraud, C Gruescu, DP Do, F Homand… - International Journal of …, 2007 - Elsevier
The objective of this work is to investigate the thermal conduction phenomena in
transversely isotropic geomaterials or rock-like composites with arbitrary oriented ellipsoïdal …

[HTML][HTML] Concentration tensors preserving elastic symmetry of multiphase composites

NJ Segura, BLA Pichler, C Hellmich - Mechanics of Materials, 2023 - Elsevier
The micromechanics of composites with multiple phases of different shapes embedded into
a matrix phase, typically requires symmetrization strategies for their homogenized elasticity …