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Geothermal
This energy thread follows geothermal through original research, public projects, and source reports. Read the evidence below to see which developments are represented in SYMTRI’s archive.
SYMTRI organizes observations from public sources into a living map. Connections reflect shared subject matter; they do not establish causation or endorse a source.
Open in the map ↗8 classified signals in the fourteen-day window. These counts include signals awaiting readable evidence.
Recent sources
Up to ten sources with readable evidence, ordered by their feed timestamp. These archive sources can be older than the live fourteen-day window. This list is a sample, not a measure of total activity. Dates distinguish paper publication, repository creation, model/dataset activity, Hacker News posts, and KEV catalog additions. “First archived” records when SYMTRI first stored the signal.
- OpenAlex · Published · First archived
Integrating Well Logs, Drilling Parameters, and Machine Learning for Subsurface Characterization of Volcanic Geothermal Rocks ↗
Abstract Characterizing subsurface rock properties in high-temperature geothermal systems is challenging because extreme conditions often limit the availability and reliability of wireline, cuttings, and core data. This study applies a data-driven workflow to well THG13 in northeastern Iceland, combining objective-driven preprocessing of wireline and drilling data with unsupervised machine learning to derive electrofacies associated with rock composition and relative porosity. These electrofacies are then integrated with rate of penetration and weight on bit to investigate the mechanical respo…
- Hacker News · Posted on Hacker News · First archived
The Download: open model trade-offs and geothermal power's promise ↗
Hacker News discussion.
- OpenAlex · Published · First archived
Artificial intelligence for geothermal energy systems: a systematic evidence map of validation, transferability and deployment readiness ↗
Global installed geothermal power capacity is approximately 18 GWe, and geothermal plants generally provide dispatchable electricity at high capacity factors. Expansion depends on reducing the capital costs and operational risks of reservoir management, plant control and equipment maintenance, and artificial intelligence has been applied to all three. Whether that work has produced evidence sufficient for deployment has not been assessed at the level of individual studies. This review reports a PRISMA-guided systematic evidence map. Searches of Scopus and Web of Science returned 8,113 records;…
- OpenAlex · Published · First archived
Conjugate heat-transfer and integrated performance assessment of supercritical CO2 flow in self-affine rough geothermal fractures ↗
Supercritical CO 2 (sCO 2 ) is a promising working fluid for enhanced geothermal systems, but fracture-scale heat extraction depends on the coupled effects of surface roughness, flow conditions, and strongly variable thermophysical properties. A two-dimensional conjugate heat-transfer model was established for an independent smooth fracture and five self-affine rough fractures, accounting for the dependence of CO 2 thermophysical properties on temperature and pressure. After validation against published transient experiments, calculations were conducted for 96 combinations of fracture roughnes…
- OpenAlex · Published · First archived
Integrated hydrogen production and liquefaction via alkaline electrolysis: Conceptual design and life cycle assessment under geothermal and hybrid renewable energy scenarios ↗
The viability of a hydrogen economy depends on efficient liquefaction for long-distance transport and storage. This study evaluates an integrated system combining alkaline water electrolysis, continuous ortho -to-para catalytic conversion, and reverse-Brayton/Organic Rankine Cycle (ORC) cooling. Aspen HYSYS V14 simulations yield 15.07 kg/h of liquid hydrogen (97.98% para -hydrogen) at −236.9 °C and 2100 kPa. Two power-supply options are assessed: a 1008.2-kW geothermal dual-flash/ORC system in Meshkinshahr, Iran, and a HOMER Pro-optimized hybrid microgrid (8 MW PV, 1.98 MW wind, 500 kW biogas,…
- OpenAlex · Published · First archived
A Structured Evaluation of Key Factors for Shallow Geothermal Hybrid Heating and Cooling Systems in the Danube Region Using the Analytic Hierarchy Process ↗
This study presents a structured evaluation of key factors influencing the design of shallow geothermal (SG) hybrid heating and cooling systems in the Danube Region. As part of the Danube GeoHeCo project, a criteria catalogue was developed using the Analytic Hierarchy Process (AHP) to support the creation of an IT decision support tool. Through expert-based pairwise comparisons and eigenvalue analysis, the relative weights of technical, geological, socioeconomic, and environmental criteria were derived. Results show that thermal demand, drilling costs, and hydrogeological site characteristics…
- Hacker News · Posted on Hacker News · First archived
Mathematics of Geothermal Energy ↗
Hacker News discussion.
- OpenAlex · Published · First archived
Post‐Stimulation Hydraulic Response and Productivity Constraints of a Low‐Productivity Carbonate Geothermal Well in the Small Intramontane Basin, Beijing Piedmont, North China ↗
ABSTRACT The Houcheng Basin, a small intramontane basin in the Beijing piedmont, North China, hosts Mesoproterozoic Jixianian dolomite geothermal reservoirs. Unlike adjacent rift basins such as the Jizhong Depression, which develop high‐quality carbonate reservoirs under favorable preservation conditions, the Houcheng Basin represents a tectonically constrained setting where sustainable geothermal exploitation remains challenging. This study investigates Well 960 in the Houcheng Basin by integrating stimulation records, variable‐frequency pumping–recovery tests, a homogeneous axisymmetric radi…
- OpenAlex · Published · First archived
Latent versus sensible thermal storage for load-shifting energy management in medium-deep U-type geothermal heat pump systems: A comparative performance analysis ↗
Thermal energy storage can enhance load shifting and extend heat-pump shutdown periods in medium-deep U-type borehole heat exchanger (MDUBHE) heating systems. However, latent and sensible thermal energy storage are commonly evaluated separately, and their differences in heat-supply capability, operating performance, and storage-volume requirements under unified conditions remain unclear. In this study, PCM-based latent storage and water-tank-based sensible storage were integrated with an MDUBHE heat-pump system and compared using consistent boundary conditions and control strategies. Seven PCM…
- OpenAlex · Published · First archived
Potential, challenges, and opportunities in the development of geothermal energy projects ↗
Geothermal energy is an important yet insufficiently explored renewable source. Known for its supply stability and low environmental impact, it offers significant potential, however, broader adoption faces notable technical, economic, and regulatory challenges. This paper first examines the origin of geothermal energy and its historical use, followed by the technological evolution of systems for both direct thermal use and electricity generation. It also reviews global trends and statistical indicators, providing context for current utilization patterns. The analysis places special emphasis on…
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How to assess evidence about Geothermal
Check each original source for its methods, release status, limitations, and supporting data. A repository announcement, a preprint, and a published study provide different kinds of evidence. SYMTRI’s subject classification helps discovery; it does not independently validate the source’s claims.
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