Thermal energy
View article: Co-simulation of building energy and geothermal systems: A review
Co-simulation of building energy and geothermal systems: A review Open
View article: Thermal Storage Improvement through the Melting Process of PCMs in Triplex Tube Heat Exchangers with Different Fin Materials
Thermal Storage Improvement through the Melting Process of PCMs in Triplex Tube Heat Exchangers with Different Fin Materials Open
This study explores the melting dynamics of paraffin wax, a phase change material (PCM), within a Triplex Tube Heat Exchanger (THEX) equipped with internal fins, using numerical simulations. The primary objective is to evaluate the impact …
View article: The Study of Decrease in CO2 Emission Using Pinch Technology
The Study of Decrease in CO2 Emission Using Pinch Technology Open
Naphtha hydrotreating is a refining process that removes sulfur, nitrogen, and other impurities from naphtha. CO2 Emission Pinch Analysis (CEPA) is a technique used for planning and optimizing energy systems to minimize CO2 emissions. This…
View article: Informational Resonance Fusion in the TGIU Framework: From Curvature Dynamics to Sustainable Energy Generation
Informational Resonance Fusion in the TGIU Framework: From Curvature Dynamics to Sustainable Energy Generation Open
The Informational Resonance-Assisted Fusion (IRAF) model, derived from the Universal Gravito–Informational Theory (TGIU), proposes a novel physical pathway to achieve nuclear fusion far below classical thermal thresholds. Instead of extrem…
View article: Accelerated Discovery of Crystalline Materials with Record Ultralow Lattice Thermal Conductivity via a Universal Descriptor
Accelerated Discovery of Crystalline Materials with Record Ultralow Lattice Thermal Conductivity via a Universal Descriptor Open
Ultralow glass-like lattice thermal conductivity in crystalline materials is crucial for enhancing energy conversion efficiency in thermoelectrics and thermal insulators. We introduce a universal descriptor for thermal conductivity that re…
View article: Direct air capture with thermal energy storage: process design and electricity system impacts
Direct air capture with thermal energy storage: process design and electricity system impacts Open
Large scale deployment of Direct Air Capture (DAC) will lead to significant demand for heat and electricity. Supplying heat and electricity can result in significant emissions, if served by carbon intensive sources of energy. This is a par…
View article: Development of a new PVt / PCM System for Heating and Power
Development of a new PVt / PCM System for Heating and Power Open
This study presents a PVt/PCM design that combines heat exchanger and PCM storage to increase power output. The PCM first absorbs sensible heat and when it reaches the melting temperature, it absorbs latent heat and continues to melt. When…
View article: Techno-Economic Study of a Hybrid CSP-CPV Plant in Tower Configuration
Techno-Economic Study of a Hybrid CSP-CPV Plant in Tower Configuration Open
Despite being a mature technology, CSP plants with thermal energy storage (TES) are unable to achieve the levelized cost of electricity (LCOE) values of commerical PV plants. The high costs of the tower, heliostat field, and thermal energy…
View article: Accelerated Discovery of Crystalline Materials with Record Ultralow Lattice Thermal Conductivity via a Universal Descriptor
Accelerated Discovery of Crystalline Materials with Record Ultralow Lattice Thermal Conductivity via a Universal Descriptor Open
Ultralow glass-like lattice thermal conductivity in crystalline materials is crucial for enhancing energy conversion efficiency in thermoelectrics and thermal insulators. We introduce a universal descriptor for thermal conductivity that re…
View article: The Future Energy Market Model (FEM): A Mathematical Description
The Future Energy Market Model (FEM): A Mathematical Description Open
This document provides a comprehensive mathematical formulation of the Future Energy Market (FEM) model, a multi-period, multi-scenario energy system optimization model for coupled electricity and district heating systems. The model is for…
View article: Evaluating the Energy and Carbon Performance of Advanced Glazing Systems for Hot–Arid Climates: An Integrated Simulation and LCA Approach
Evaluating the Energy and Carbon Performance of Advanced Glazing Systems for Hot–Arid Climates: An Integrated Simulation and LCA Approach Open
This study integrates dynamic energy simulation with lifecycle assessment (LCA) to evaluate the energy and carbon performance of advanced glazing systems suitable for hot–arid climates. Using Design Builder software coupled with OpenLCA, s…
View article: Lattice-to-total thermal conductivity ratio: a phonon-glass electron-crystal descriptor for data-driven thermoelectric design
Lattice-to-total thermal conductivity ratio: a phonon-glass electron-crystal descriptor for data-driven thermoelectric design Open
Thermoelectrics (TEs) are promising candidates for energy harvesting with performance quantified by figure of merit, $ZT$. To accelerate the discovery of high-$ZT$ materials, efforts have focused on identifying compounds with low thermal c…
View article: Dynamical and Thermal Behavior of Two Horizontal Jets Impinging a Vertical Heated Plate: Effects of Jet Velocities Ratio and Impinging Distance
Dynamical and Thermal Behavior of Two Horizontal Jets Impinging a Vertical Heated Plate: Effects of Jet Velocities Ratio and Impinging Distance Open
This paper presents a numerical study using CFD to analyze the dynamical and thermal behavior of two turbulent parallel jets of different velocities impinging on a vertical heated plate, to determine the optimal parameters for heat transfe…
View article: Global Gasketed Heat Exchangers Market: Trends, Drivers, and Forecast (2023–2030)
Global Gasketed Heat Exchangers Market: Trends, Drivers, and Forecast (2023–2030) Open
The global Gasketed Heat Exchangers Market, valued at USD 2.12 billion in 2023, is projected to reach USD 3.40 billion by 2030, growing at a CAGR of 6.4% from 2024 to 2030. Gasketed plate heat exchangers (GPHEs) are engineered for optimal …
View article: Data-driven thermal models for smart energy management in heating system
Data-driven thermal models for smart energy management in heating system Open
Forecasting the thermal behavior of flexible heating assets is essential for real-time energy management in heating systems. While thermal dynamics are complex, the optimization algorithms within Energy Management Systems (EMS) require low…
View article: Improving Thermal Comfort and Energy Efficiency in Chilean Patagonian Homes with Thermal Storage-Enhanced Radiant Floors with Phase Change Materials
Improving Thermal Comfort and Energy Efficiency in Chilean Patagonian Homes with Thermal Storage-Enhanced Radiant Floors with Phase Change Materials Open
Phase Change Materials (PCMs) have been commonly used to enhance the thermal storage capacity of building envelopes. Their use aims to improve indoor temperatures and reduce space-conditioning energy use. This study proposes a methodology …
View article: Local energy assignment for two interacting quantum thermal reservoirs
Local energy assignment for two interacting quantum thermal reservoirs Open
Understanding how to assign internal energy, heat, and work in quantum systems beyond weak coupling remains a central problem in quantum thermodynamics, particularly as the difference between competing definitions becomes increasingly rele…
View article: Study on Self-Healing and Sealing Technology of Fractured Geothermal Reservoir
Study on Self-Healing and Sealing Technology of Fractured Geothermal Reservoir Open
Geothermal energy, recognized as a sustainable and clean resource, is playing an increasingly critical role in the global shift toward low-carbon energy systems. Nevertheless, the exploitation of fractured geothermal reservoirs is often im…
View article: Design and Integration of a Retrofit PV–Battery System for Residential Energy Savings and Thermal Comfort
Design and Integration of a Retrofit PV–Battery System for Residential Energy Savings and Thermal Comfort Open
View article: Experimental Thermal Performance of Air-Based and Oil-Based Energy Storage Systems
Experimental Thermal Performance of Air-Based and Oil-Based Energy Storage Systems Open
The paper examines the experimental performance of air–rock bed, oil only, and oil–rock bed systems for storing heat suitable for cooking applications. The air–rock bed system is charged using hot air from a compressed air tank, while the …
View article: Design and Performance Evaluation of Car Seat Heat Pump for Electric Vehicles
Design and Performance Evaluation of Car Seat Heat Pump for Electric Vehicles Open
This study proposes and evaluates a car seat-integrated heat pump as localized air conditioning system for electric vehicles (EVs). The proposed system uses R1234yf and comprises a compressor, microchannel heat exchangers, an electronic ex…
View article: Informational Resonance Fusion in the TGIU Framework: From Curvature Dynamics to Sustainable Energy Generation
Informational Resonance Fusion in the TGIU Framework: From Curvature Dynamics to Sustainable Energy Generation Open
The Informational Resonance-Assisted Fusion (IRAF) model, derived from the Universal Gravito–Informational Theory (TGIU), proposes a novel physical pathway to achieve nuclear fusion far below classical thermal thresholds. Instead of extrem…
View article: A Formable Wood‐Based Phase Change Materials with Enhanced Mechanical Properties and Thermal Efficiency for Smart Building
A Formable Wood‐Based Phase Change Materials with Enhanced Mechanical Properties and Thermal Efficiency for Smart Building Open
Solid–liquid phase change materials (PCMs) are capable of absorbing and releasing heat through a reversible phase change process, playing a significant role in thermal protection and energy conservation in smart buildings. However, challen…
View article: JCA Eni ENEA Project: CSP & Thermal Storage
JCA Eni ENEA Project: CSP & Thermal Storage Open
This project is framed inside a three-year-long cooperation between Eni and ENEA. It concerns the development of prototypes, technologies, innovative processes, feasibility studies, scenario analysis, exchanging skills, and know-how. This …
View article: Computational Investigation of the Thermoelectric Performance of Environmentally Friendly and Earth-Abundant SrZn2S2O
Computational Investigation of the Thermoelectric Performance of Environmentally Friendly and Earth-Abundant SrZn2S2O Open
Thermoelectric (TE) materials enable the direct conversion between heat and electricity, allowing efficient recovery of waste heat, which accounts for nearly 50% of global energy consumption. Therefore, TE materials hold great potential fo…
View article: A Hybrid CSP-PV System for Sustainable Energy in a Chilean Mine: A Case Analysis
A Hybrid CSP-PV System for Sustainable Energy in a Chilean Mine: A Case Analysis Open
Chile, a global leader in copper production, faces increasing energy demands in its mining sector, particularly in the northern regions, where the country’s major mining operations are located alongside its vast solar potential. Reliable a…
View article: Numerical investigation of solidification enhancement in thermal energy storage systems using ternary nanoparticles and geometric undulations and amplitude
Numerical investigation of solidification enhancement in thermal energy storage systems using ternary nanoparticles and geometric undulations and amplitude Open
View article: Optimizing energy conversion with nonthermal resources in steady-state quantum devices
Optimizing energy conversion with nonthermal resources in steady-state quantum devices Open
We provide a framework for optimizing energy conversion processes in coherent quantum conductors fed by nonthermal resources. Such nonthermal resources, which cannot be characterized by temperatures or electrochemical potentials, occur in …
View article: Modular Solar Drying and Thermal Energy Storage System Configuration Assessment
Modular Solar Drying and Thermal Energy Storage System Configuration Assessment Open
Solar drying is an effective method for preserving food and enhancing its characteristics by removing moisture using ambient air and elevated temperatures. This technology, made for harnessing solar energy, offers a sustainable alternative…
View article: CMIP6 climate change and wind environment impacts on cold-region residential energy and thermal comfort: A case study of Harbin
CMIP6 climate change and wind environment impacts on cold-region residential energy and thermal comfort: A case study of Harbin Open