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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Buckman, Jim
Heriot-Watt University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2023Thermoelectric properties of the aliovalent half-Heusler alloy Zn 0.5 Ti 0.5 NiSb with intrinsic low thermal conductivitycitations
- 2023Thermoelectric properties of the aliovalent half-Heusler alloy Zn0.5Ti0.5NiSb with intrinsic low thermal conductivitycitations
- 2022Unravelling the role of natural imperfections on the mechanical behaviour of cemented granular systems: insights from naturally weakly cemented sands
- 2021Evolution of meniscus structures in hydrophobic granular systemscitations
- 2019Optimizing Thermoelectric Power Factor in p-Type Hydrogenated Nano-crystalline Silicon Thin Films by Varying Carrier Concentrationcitations
- 2019Phase stability and thermoelectric properties of TiCoSb-TiM2Sn (M = Ni, Fe) Heusler compositescitations
- 2018Grain-by-grain compositional variations and interstitial metals—a new route toward achieving high performance in half-Heusler thermoelectricscitations
- 2018Analysis of Sandstone Pore Space Fluid Saturation and Mineralogy Variation via Application of Monostatic K-Band Frequency Modulated Continuous Wave Radarcitations
- 2018Hydrogenated Nano-/Micro-Crystalline Silicon Thin-Films for Thermoelectricscitations
- 2018Grain-by-grain compositional variations and interstitial metals - a new route towards achieving high performance in Half-Heusler thermoelectricscitations
- 2018Substitution versus full-Heusler segregation in TiCoSbcitations
- 2018Grain-Scale Heterogeneity in Deep Water Massive Sands – Implications for Depositional Processes and Reservoir Quality
- 2018Grain-by-Grain Compositional Variations and Interstitial Metals -: A New Route toward Achieving High Performance in Half-Heusler Thermoelectricscitations
- 2016Monitoring micro-crack healing in an engineered cementitious composite using the environmental scanning electron microscopecitations
- 2016Thermoelectric properties and high-temperature stability of the Ti1-xVxCoSb1-xSnx half-Heusler alloyscitations
Places of action
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article
Analysis of Sandstone Pore Space Fluid Saturation and Mineralogy Variation via Application of Monostatic K-Band Frequency Modulated Continuous Wave Radar
Abstract
<p>In this paper we present the preliminary findings from a world first investigation into monostatic frequency modulated continuous wave (FMCW) radar analysis of porous sandstones and their fluid content. FMCW results, within 24 to 25.5 GHz, provide insights into the rock/pore system as well as into mineral and liquid distributions, both crucial for quantitative representation of the fluid-rock system for subsequent assessment of the sandstones. Sandstone samples, here characterised using known techniques of energy dispersive x-ray analysis (EDX), gaseous secondary electron (GSE) and backscattered electron (BSE) imaging are: Darney, Lazonby, Locharbriggs and Red St. Bees sandstones, with FMCW results showing that, in the K-Band, calculated values for relative permittivity, utilising free-space radiation reflection data, give results that are consistent with, and have the potential to predict, the known rock elemental constituents, where each sandstone has different distributions of the dominant quartz and subsidiary other minerals and of grain size and shape distributions. The experimental results support the sensitivity of this sensing modality to variances in rock properties in typical sandstones with complex relative permittivity, ε*r, values for room-dry sandstones ranging from 5.76 to 6.76 and from 12.96 to 48.3 for partially saturated sandstones, with the highest values indicating high relative permittivity mineral inclusion and/or grain angularity. FMCW provides similar results, over slightly larger volumes, to those produced by the current resource-intensive methodologies, but much more easily and cheaply.</p>