Grzegorz Ryżyński

Field to laboratory assessment of subsurface thermal conductivity: A geothermal case study in Slovenia

Karlo Borko, Fiona M. Chapman, Jasmin Raymond, Grzegorz Ryżyński et autres

Reliable characterization of subsurface thermal properties is essential for designing efficient shallow geothermal systems and assessing the potential of Ground Source Heat Pump and Underground Thermal Energy Storage systems. The objective of this study is to evaluate the reliability of thermal conductivity …

si, ca, pl (code pays fourni par la source)

City Geo Factsheet of Warsaw (Polland)

Grzegorz Ryżyński, Francesco La Vigna

Execution, Testing and Monitoring

Marco Barla, Alessandra Insana, Sondre Gjengedal, Primož Jelušič et autres

This chapter provides practical guidance on implementing energy geostructures, from design and construction to operation. It emphasizes early integration of the technology into the design process and coordination between engineering disciplines. Key aspects include installation of heat exchanger pipes, material selection, hydraulic …

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Environmental Studies, Interactions and Interferences

Marco Barla, Alessandra Insana, Sondre Gjengedal, Primož Jelušič et autres

Chapter 5 focuses on environmental impacts and interactions between energy geostructures and surrounding systems. It explains thermal interference, which occurs when heat transfer from one installation affects another, especially in dense urban environments. The chapter discusses heat transport mechanisms (conduction, advection, dispersion) …

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Recommendations for the Conceptualisation, Design and Construction of Energy Geostructures

Marco Barla, Alessandra Insana, Sondre Gjengedal, Primož Jelušič et autres

International audience

Thermal Design of Energy Geostructures

Marco Barla, Alessandra Insana, Sondre Gjengedal, Primož Jelušič et autres

Chapter 3 presents methods for evaluating and optimizing the thermal performance of energy geostructures. It begins with feasibility assessments to estimate energy potential and proceeds to detailed design using analytical, semi-analytical, and numerical models. Different geostructure types such as piles, walls, slabs, …

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Design Data: Site Characterisation and Thermal Loading Conditions

Marco Barla, Alessandra Insana, Sondre Gjengedal, Primož Jelušič et autres

This chapter outlines the essential data required for designing energy geostructures, focusing on ground characterization and thermal loading. It distinguishes between feasibility-stage assessments and detailed investigations, covering thermal, hydrogeological, and thermomechanical properties of soils. Key parameters include ground temperature, thermal conductivity, heat …

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Thermo-Mechanical Design of Energy Geostructures

Marco Barla, Alessandra Insana, Sondre Gjengedal, Primož Jelušič et autres

This chapter examines how temperature variations affect the structural and geotechnical behaviour of energy geostructures. Thermal loading induces expansion and contraction, generating additional stresses and strains due to constraints from surrounding soil and structural elements. The chapter explains that while ultimate limit …

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Contribution of Energy Geostructures to Sustainable Development

Marco Barla, Alessandra Insana, Sondre Gjengedal, Primož Jelušič et autres

This chapter frames energy geostructures within the global transition to sustainable energy systems. It highlights the environmental impact of fossil fuel consumption and the urgent need for renewable, low-carbon solutions, particularly in the building sector, which accounts for a large share of …

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New European guidelines to unlock shallow geothermal energy resources via energy geostructures

Fleur Loveridge, Marco Barla, Sondre Gjengedal, Alessandra Insana et autres

International audience

Kryteria oceny przydatności górotworu do magazynowania ciepła za pomocą systemów zamkniętych (BTES, PTES/TTES, EF)

Mateusz Żeruń, Ewa Jagoda, Edyta Majer, Kajetan Wczelik et autres

A b s t r a c t.The criteria and a methodology were developed for evaluating the suitability of locations for the construction of underground thermal energy storage using closed systems: BTES (Borehole Thermal Energy Storage), PTES/TTES (Pit/Tank Thermal Energy Storage), and …

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Geoscience for Cities: Delivering Europe’s Sustainable Urban Future

Stephanie Bricker, Jan Jelének, Peter van der Keur, Francesco La Vigna et autres

European Union (EU) policy is clear in its ambition to deliver a sustainable urban future for Europe. In this paper, we consider the role of urban geoscience to help achieve these ambitions. We highlight the relevance of geology to urban subsurface planning …

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