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Journal articles on the topic 'Global grid cooling'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Mohammed, Omar Hazem, and Ziyad Tariq Al-Salmany. "Performance Optimization of Solar PV System Utilized for Cooling System." EAI Endorsed Transactions on Energy Web 9, no. 39 (2022): e5. http://dx.doi.org/10.4108/ew.v9i39.1378.

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This work investigates the performance and energy effectiveness of a solar photovoltaic (PV) system used to provide a cooling system for a building in Iraq. To achieve the goal, simulations and optimization are utilized to find the economic feasibility of the building in Iraq. In addition, a comparative study is conducted to compare the economic feasibility of PV cooling based on two options. The first option depends on the conventional electrical grid to offer cooling for the Iraqi building. The second option relies on a solar PV system to provide the electrical power for cooling the same bui

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Kalair, Ali, Elmira Jamei, Mehdi Seyedmahmoudian, Saad Mekhilef, and Naeem Abas. "Building the Future: Integrating Phase Change Materials in Network of Nanogrids (NoN)." Energies 17, no. 23 (2024): 5862. http://dx.doi.org/10.3390/en17235862.

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Buildings consume 10% of global energy and 50% of global electricity for heating and cooling. Transitioning to energy-efficient buildings is essential to address the global energy challenge and meet sustainable development goals (SDGs) to limit global temperature rise below 1.5 ∘C. The shift from traditional to smart grids has led to the development of micro, milli, and nanogrids, which share energy resources symbiotically and balance heating/cooling demands dealing with acute doldrums (dunkelflaute). This scoping review explores the methods by which phase change materials (PCMs) can be used i

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Abu-Zour, A. M., and S. B. Riffat. "Solar-Driven Air-Conditioning Cycles: A Review." Journal of Engineering Research [TJER] 4, no. 1 (2007): 48. http://dx.doi.org/10.24200/tjer.vol4iss1pp48-63.

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Most conventional cooling/refrigeration systems are driven by fossil fuel combustion, and therefore give rise to emission of environmentally damaging pollutants. In addition, many cooling systems employ refrigerants, which are also harmful to the environment in terms of their Global Warming Potential (GWP) and Ozone Depletion Potential (ODP). Development of a passive or hybrid solar-driven air-conditioning system is therefore of interest as exploitation of such systems would reduce the demand for grid electricity particularly at times of peak load. This paper presents a review of various cooli

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Huang, Tianhang, Tianyi Zhai, Xin Zhang, and Xiaomeng Di. "Electric Power-grid Friendly Characteristic Data Center Energy Consumption Optimization Method." Journal of Physics: Conference Series 2095, no. 1 (2021): 012026. http://dx.doi.org/10.1088/1742-6596/2095/1/012026.

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Abstract With the acceleration of the digitization process, the load of the data center on the power grid continues to increase. During the operation of the data center, the load demand on the power grid is relatively large, and the load demand on the power grid fluctuates greatly. In the Power industry, the average PUE(power usage effectiveness) of data center is above 2, which is extremely unfriendly to the power grid. This paper proposes and summarizes the optimization parameters at various levels, the energy efficiency of software and hardware, and provides a method for optimization throug

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Ismaen, Rabah, Tarek Y. ElMekkawy, Shaligram Pokharel, Adel Elomri, and Mohammed Al-Salem. "Solar Technology and District Cooling System in a Hot Climate Regions: Optimal Configuration and Technology Selection." Energies 15, no. 7 (2022): 2657. http://dx.doi.org/10.3390/en15072657.

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With the increasing need for cooling and the concerns for pollution due to fossil fuel-based energy use, renewable energy is considered an add-on to cooling technologies. The climatic condition in the Middle East, analyzed in this paper, provides the potential to integrate solar energy with the cooling system. Due to the availability of various solar energy and cooling technologies, multiple configurations of solar-cooling systems can be considered to satisfy the cooling demand. The research presented in this paper aims to assess and compare these configurations by considering the energy price

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Savina, Natal’ya P., Darya Yu Golyzhnikova, and Liliya F. Zulfakarova. "ENERGY CONSUMPTION OF DATA CENTERS AND ITS IMPACT ON THE ECONOMY OF SUSTAINABLE DEVELOPMENT." EKONOMIKA I UPRAVLENIE: PROBLEMY, RESHENIYA 3/2, no. 156 (2025): 75–81. https://doi.org/10.36871/ek.up.p.r.2025.03.02.009.

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The global growth of data and the development of digital technologies has led to an increase in the electricity consumption of data centers, with implications for global and environmental sustainability. The high energy intensity of server power systems, cooling systems, and the power grid leads to higher energy supply costs, increased carbon footprint of supply, and increased stress on the energy system. The paper analyzes the magnitude of energy consumption, data centers, its economic and environmental impacts, and develops innovative solutions to improve energy efficiency. Particular attent

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Rentier, Eline S., Ondřej Mottl, L. Camila Pacheco-Riaño, et al. "Global variability in LGM cooling amongst paleoclimate datasets affects biome reconstructions in mountains." Frontiers of Biogeography 18 (May 29, 2025): e135871. https://doi.org/10.21425/fob.18.135871.

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Downscaled paleoclimate datasets are widely used in biogeographical research, aiding our understanding of past environmental shifts and species' responses to climate change. Numerous datasets exist, varying in spatiotemporal resolution and underlying methodologies, resulting in variation in estimated temperature. Understanding this variability is important for accurately reconstructing past biogeographical dynamics, especially in complex regions like mountains. We compare the Mean Annual Temperature (MAT) at the Last Glacial Maximum (LGM) from five different downscaled paleoclimate datasets —

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Lee, Eunjeong, Eun-Hee Lee, and In-Jin Choi. "Impact of Increased Vertical Resolution on Medium-Range Forecasts in a Global Atmospheric Model." Monthly Weather Review 147, no. 11 (2019): 4091–106. http://dx.doi.org/10.1175/mwr-d-18-0387.1.

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Abstract This study aims to investigate the impact of increased vertical resolution on global medium-range forecasts. For this purpose, the dependencies of simulated atmospheric temperature and specific humidity on the lowest model level height and vertical grid spacing are investigated. The reduced first model level increases vertical turbulent mixing by determining a higher planetary boundary layer (PBL) height and associated turbulent diffusivities and velocity scales. This contributes to warming/drying within the PBL and cooling/moistening above the PBL. Resulting dryness near the surface

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Jessy, Mercy Paul. "A Critical Review on Efficiency of Integrated District Cooling Systems for Sustainable Smart Cities." Journal of Research in Infrastructure Designing 6, no. 2 (2023): 1–10. https://doi.org/10.5281/zenodo.7960753.

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<em>The cities consume an average of 75% of overall natural resources, worldwide energy production and contribute to about 75% of global greenhouse gas emissions. As a solution to this, a smart city is built through combination of various factors: Sustainability, Quality of life, urbanisation and smartness. One of the critical factors of smart cities are solution to local problems. The energy consumption is reduced by using integrated renewable systems. District cooling system in smart cities is one way out. This paper represents an approach to reduce the overall energy consumption by integrat

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Ahn, Hyeunguk, Jingjing Liu, Donghun Kim, Rongxin Yin, Tianzhen Hong, and Mary Ann Piette. "How Can Floor Covering Influence Buildings’ Demand Flexibility?" Energies 14, no. 12 (2021): 3658. http://dx.doi.org/10.3390/en14123658.

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Although the thermal mass of floors in buildings has been demonstrated to help shift cooling load, there is still a lack of information about how floor covering can influence the floor’s load shifting capability and buildings’ demand flexibility. To fill this gap, we estimated demand flexibility based on the daily peak cooling load reduction for different floor configurations and regions, using EnergyPlus simulations. As a demand response strategy, we used precooling and global temperature adjustment. The result demonstrated an adverse impact of floor covering on the building’s demand flexibil

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Eslami Majd, Alireza, Fideline Tchuenbou-Magaia, Agnero M. Meless, David S. Adebayo, and Nduka Nnamdi Ekere. "A Review on Cooling Systems for Portable Energy Storage Units." Energies 16, no. 18 (2023): 6525. http://dx.doi.org/10.3390/en16186525.

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Achieving the global electricity demand and meeting the United Nations sustainable development target on reliable and sustainable energy supply by 2050 are crucial. Portable energy storage (PES) units, powered by solid-state battery cells, can offer a sustainable and cost-effective solution for regions with limited power-grid access. However, operating in high-dust and high-temperature environments presents challenges that require effective thermal management solutions. This paper is a comprehensive review of thermal management systems for PES units, with a specific focus on addressing the cha

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Han, Jongil, and Hua-Lu Pan. "Revision of Convection and Vertical Diffusion Schemes in the NCEP Global Forecast System." Weather and Forecasting 26, no. 4 (2011): 520–33. http://dx.doi.org/10.1175/waf-d-10-05038.1.

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Abstract A new physics package containing revised convection and planetary boundary layer (PBL) schemes in the National Centers for Environmental Prediction’s Global Forecast System is described. The shallow convection (SC) scheme in the revision employs a mass flux parameterization replacing the old turbulent diffusion-based approach. For deep convection, the scheme is revised to make cumulus convection stronger and deeper to deplete more instability in the atmospheric column and result in the suppression of the excessive grid-scale precipitation. The PBL model was revised to enhance turbulen

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Paul, André, Stefan Mulitza, Rüdiger Stein, and Martin Werner. "A global climatology of the ocean surface during the Last Glacial Maximum mapped on a regular grid (GLOMAP)." Climate of the Past 17, no. 2 (2021): 805–24. http://dx.doi.org/10.5194/cp-17-805-2021.

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Abstract. We present a climatology of the near-sea-surface temperature (NSST) anomaly and the sea-ice extent during the Last Glacial Maximum (LGM, 23 000–19 000 years before present) mapped on a global regular 1∘×1∘ grid. It is an extension of the Glacial Atlantic Ocean Mapping (GLAMAP) reconstruction of the Atlantic NSST based on the faunal and floral assemblage data of the Multiproxy Approach for the Reconstruction of the Glacial Ocean Surface (MARGO) project and several recent estimates of the LGM sea-ice extent. Such a gridded climatology is highly useful for the visualization of the LGM c

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Pickler, Carolyne, Edmundo Gurza Fausto, Hugo Beltrami, et al. "Recent climate variations in Chile: constraints from borehole temperature profiles." Climate of the Past 14, no. 4 (2018): 559–75. http://dx.doi.org/10.5194/cp-14-559-2018.

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Abstract. We have compiled, collected, and analyzed 31 temperature–depth profiles from boreholes in the Atacama Desert in central and northern Chile. After screening these profiles, we found that only nine profiles at four different sites were suitable to invert for ground temperature history. For all the sites, no surface temperature variations could be resolved for the period 1500–1800. In the northern coastal region of Chile, there is no perceptible temperature variation at all from 1500 to present. In the northern central Chile region, between 26 and 28∘ S, the data suggest a cooling from

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Wang, Hanshu, Yucheng Su, and Yile Guo. "The environmental challenge of HPC: finding green power and cooling solutions for supercomputers." Advances in Engineering Innovation 16, no. 6 (2025): None. https://doi.org/10.54254/2977-3903/2025.24598.

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In today's world, High-Performance Computing (HPC) is driving scientific research forward at an astonishing rate, but behind every top HPC device lies a high-load power grid, which has sparked deep concern among environmentalists. This study develops a mathematical model to evaluate the power consumption of global HPC equipment and quantify its environmental impact, providing a basis for energy optimization and sustainable development. By systematically analyzing the global environmental impact of HPC through a series of models focused on energy consumption and related emissions, we first crea

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Reed, Kevin A., Brian Medeiros, Julio T. Bacmeister, and Peter H. Lauritzen. "Global Radiative–Convective Equilibrium in the Community Atmosphere Model, Version 5." Journal of the Atmospheric Sciences 72, no. 5 (2015): 2183–97. http://dx.doi.org/10.1175/jas-d-14-0268.1.

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Abstract In the continued effort to understand the climate system and improve its representation in atmospheric general circulation models (AGCMs), it is crucial to develop reduced-complexity frameworks to evaluate these models. This is especially true as the AGCM community advances toward high horizontal resolutions (i.e., grid spacing less than 50 km), which will require interpreting and improving the performance of many model components. A simplified global radiative–convective equilibrium (RCE) configuration is proposed to explore the implication of horizontal resolution on equilibrium cli

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Ur Rehman, Habib, Sajjad Ali Haider, Syed Rameez Naqvi, Muhammad Naeem, Kyung-Sup Kwak, and S. M. Riazul Islam. "Environment Friendly Energy Cooperation in Neighboring Buildings: A Transformed Linearization Approach." Energies 15, no. 3 (2022): 1160. http://dx.doi.org/10.3390/en15031160.

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Energy consumption in residential, commercial and industrial buildings is one of the major contributors to global warming. Due to the increase in the latter, and growing global energy crisis, more attention is being paid to renewable energy resources (RES). The use of innovative concepts in existing buildings is gaining popularity to provide reduction in energy requirements for electricity, heating and cooling. In this paper, an electricity, heating and cooling cooperation mechanism among neighboring buildings with RES is proposed. It relies on adjusting the RES tariff with a mutual agreement

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Treguier, Anne Marie, Pierre Mathiot, Tim Graham, Dan Copsey, Camille Lique, and Jean Sterlin. "Heat Balance in the Nordic Seas in a Global 1/12° Coupled Model." Journal of Climate 34, no. 1 (2021): 89–106. http://dx.doi.org/10.1175/jcli-d-20-0063.1.

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AbstractThe Nordic seas are a gateway to the Arctic Ocean, where Atlantic water undergoes a strong cooling during its transit. Here we investigate the heat balance of these regions in the high-resolution Met Office Global Coupled Model GC3 with a 1/12° grid. The GC3 model reproduces the contrasted ice conditions and ocean heat loss between the eastern and western regions of the Nordic seas. In the west (Greenland and Iceland seas), the heat loss experienced by the ocean is stronger than the atmospheric heat gain, because of the cooling by ice melt. The latter is a major contribution to the hea

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Michaelides, Efstathios E. "Thermal Storage for District Cooling—Implications for Renewable Energy Transition." Energies 14, no. 21 (2021): 7317. http://dx.doi.org/10.3390/en14217317.

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The utilization of air conditioning in public and private buildings is continuously increasing globally and is one of the major factors fueling the growth of the global electricity demand. The higher utilization of renewable energy sources and the transition of the electricity-generating industry to renewable energy sources requires significant energy storage in order to avoid supply–demand mismatches. This storage-regeneration process entails dissipation, which leads to higher energy generation loads. Both the energy generation and the required storage may be reduced using thermal energy stor

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Hamza, Valiya Mannathal, and Fábio Vieira. "Global Heat Flow: New Estimates Using Digital Maps and GIS Techniques." International Journal of Terrestrial Heat Flow and Applications 1, no. 1 (2018): 6–13. http://dx.doi.org/10.31214/ijthfa.v1i1.6.

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The digital geophysical maps and GIS (Geographic Information System) techniques have been employed in obtaining a better understanding of global heat flow. The starting point has been a system of 1o x 1o equal longitude grid consisting of 64800 cells. Superposed on this grid system are a set of 190 polygons that approximates boundaries of tectonic provinces and another set of 137 polygons that outlines age provinces. The area extents of these “tectonic polygons” were determined, and heat flow values calculated based on the empirical relation between heat flow and age of last thermos-tectonic e

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Polat, Hakan, Farzad Hosseinabadi, Md Mahamudul Hasan, et al. "A Review of DC Fast Chargers with BESS for Electric Vehicles: Topology, Battery, Reliability Oriented Control and Cooling Perspectives." Batteries 9, no. 2 (2023): 121. http://dx.doi.org/10.3390/batteries9020121.

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The global promotion of electric vehicles (EVs) through various incentives has led to a significant increase in their sales. However, the prolonged charging duration remains a significant hindrance to the widespread adoption of these vehicles and the broader electrification of transportation. While DC-fast chargers have the potential to significantly reduce charging time, they also result in high power demands on the grid, which can lead to power quality issues and congestion. One solution to this problem is the integration of a battery energy storage system (BESS) to decrease peak power deman

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Steidle Neto, Antonio José, Daniela de Carvalho Lopes, and Sheila Tavares Nascimento. "Potential of Grid-Connected Photovoltaic Systems in Brazilian Dairy Farms." AgriEngineering 4, no. 1 (2022): 122–33. http://dx.doi.org/10.3390/agriengineering4010008.

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The insufficient supply of electrical energy, in addition to frequent disturbances and interruptions, has motivated the inclusion of solar, biogas, biomass or wind energy systems in many Brazilian farms. However, there are few studies that have addressed the technical and economic impacts of renewable sources for generating electricity in rural applications, leading farmers not to invest in these technologies for fear of financial losses. This study was carried out to evaluate the potential of grid-connected photovoltaic systems for supplying the electricity demand in dairy farms located at Mi

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Ma, Cheng Jia, and Jian Xu Lu. "Research on Electrical Engineering with a Multi Energy-Type Coordinated Micro-Grid Day-Ahead Scheduling Strategy Based on IPSO Algorithm." Advanced Materials Research 1003 (July 2014): 119–23. http://dx.doi.org/10.4028/www.scientific.net/amr.1003.119.

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This paper establishes a micro-grid (MG) model containing a variety of distributed energies, battery, combined cooling, heating and power (CCHP) and so on, and puts forward a method using improved PSO (IPSO) algorithm for a multi energy-type coordinated MG day-ahead scheduling. One day is divided into two time periods, including time of peak period (TOP) and time of valley period (TOV). According to the scheduled time period and state of charge (SOC) of the storage units, different types of scheduling strategies are adopted. Based on the standard PSO algorithm, improved PSO algorithm proposed

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John, Jim Joseph, Nithin Sha Najeeb, Harry Apostoleris, Kaushal Chapaneri, Gerhard Mathiak, and Muhammad Alam. "Assessing the feasibility of nighttime water harvesting from solar photovoltaic panels in a desert region." EPJ Photovoltaics 15 (2024): 1. http://dx.doi.org/10.1051/epjpv/2023032.

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Photovoltaics has emerged as a crucial and progressively significant contributor to renewable energy generation. Nevertheless, its effectiveness is limited to daylight hours when sunlight is available. This research paper presents an approach to promote dual usage of solar panels beyond daytime operations to facilitate water production. An AWGPV (Atmospheric water generation on PV modules) system is built and operated for nearly a year. During this period, several prototypes were built to produce up to 2.5 L/panel per day without optimizing the energy consumed during direct cooling. A techno-e

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Alam, Khorshed, Md Ali Mostakim, Abdullah AL Baki, and M. S. Hossen. "CURRENT TRENDS IN PHOTOVOLTAIC THERMAL (PVT) SYSTEMS: A REVIEW OF TECHNOLOGIES AND SUSTAINABLE ENERGY SOLUTIONS." ACADEMIC JOURNAL ON BUSINESS ADMINISTRATION, INNOVATION & SUSTAINABILITY 4, no. 04 (2024): 128–43. http://dx.doi.org/10.69593/ajbais.v4i04.138.

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This systematic review explores advancements and challenges in photovoltaic thermal (PVT) systems, focusing on efficiency improvements, cooling mechanisms, material innovations, Internet of Things (IoT) integration, and cost and environmental considerations. Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, 45 articles were analyzed to provide a comprehensive understanding of current trends and future directions in PVT technology. Findings reveal that cooling mechanisms, particularly liquid-based and nanofluid-based systems, are essential for

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Vaidya, Dr V. B., Roshan S. Janve, Chetan D. Diwate, et al. "Review on Development of Thermoelectric Air cooler." International Journal for Research in Applied Science and Engineering Technology 10, no. 3 (2022): 210–14. http://dx.doi.org/10.22214/ijraset.2022.40610.

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Abstract: With rising global temperatures leading to an increase in average temperatures throughout the year making people living in areas with high power outages very busy and difficult. As a modern cooling system that combines Coolers and Airconditioners does not work in the inverter for energy-saving purposes which makes them useless thus during high temperature hours. Therefore, in terms of combating the problem with portability, savings and cost-effectiveness in the concept of another climate it uses TEC while using the grid and re-charging. Although it is common knowledge that the effici

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Jacobson, Mark Z., Mark A. Delucchi, Mary A. Cameron, and Bethany A. Frew. "Low-cost solution to the grid reliability problem with 100% penetration of intermittent wind, water, and solar for all purposes." Proceedings of the National Academy of Sciences 112, no. 49 (2015): 15060–65. http://dx.doi.org/10.1073/pnas.1510028112.

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This study addresses the greatest concern facing the large-scale integration of wind, water, and solar (WWS) into a power grid: the high cost of avoiding load loss caused by WWS variability and uncertainty. It uses a new grid integration model and finds low-cost, no-load-loss, nonunique solutions to this problem on electrification of all US energy sectors (electricity, transportation, heating/cooling, and industry) while accounting for wind and solar time series data from a 3D global weather model that simulates extreme events and competition among wind turbines for available kinetic energy. S

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Mennilli, Francesca, Lingkang Jin, Mosè Rossi, Alice Mugnini, and Gabriele Comodi. "Energy analysis of a hydrogen integrated system in the residential sector." Journal of Physics: Conference Series 2648, no. 1 (2023): 012057. http://dx.doi.org/10.1088/1742-6596/2648/1/012057.

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Abstract Nowadays, buildings are responsible for almost 40% of global energy consumption, which is addressed by thermal (e.g., heating, cooling, and hot water) and electric (e.g., lighting and household appliances) loads. To meet the residential energy demand and, at the same time, ensure the decarbonisation of the energy infrastructure, hydrogen-based cogeneration systems might represent a viable solution. This work aims at evaluating the performance of a green hydrogen integrated system consisting of a Proton Exchange Membrane (PEM) electrolyser, hydrogen storage tanks, and a PEM fuel cell t

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Wang, Likun, Cheng-Zhi Zou, and Haifeng Qian. "Construction of Stratospheric Temperature Data Records from Stratospheric Sounding Units." Journal of Climate 25, no. 8 (2012): 2931–46. http://dx.doi.org/10.1175/jcli-d-11-00350.1.

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Abstract In recognizing the importance of Stratospheric Sounding Unit (SSU) onboard historical NOAA polar-orbiting satellites in assessment of long-term stratospheric temperature changes and limitations in previous available SSU datasets, this study constructs a fully documented, publicly accessible, and well-merged SSU time series for climate change investigations. Focusing on methodologies, this study describes the details of data processing and bias corrections in the SSU observations for generating consistent stratospheric temperature data records, including 1) removal of the instrument ga

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Santer, Benjamin D., John C. Fyfe, Susan Solomon, et al. "Quantifying stochastic uncertainty in detection time of human-caused climate signals." Proceedings of the National Academy of Sciences 116, no. 40 (2019): 19821–27. http://dx.doi.org/10.1073/pnas.1904586116.

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Large initial condition ensembles of a climate model simulation provide many different realizations of internal variability noise superimposed on an externally forced signal. They have been used to estimate signal emergence time at individual grid points, but are rarely employed to identify global fingerprints of human influence. Here we analyze 50- and 40-member ensembles performed with 2 climate models; each was run with combined human and natural forcings. We apply a pattern-based method to determine signal detection time td in individual ensemble members. Distributions of td are characteri

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Liantas, Georgios, Ioanna Chatzigeorgiou, Maria Ravani, Athanasios Koukounaras, and Georgios K. Ntinas. "Energy Use Efficiency and Carbon Footprint of Greenhouse Hydroponic Cultivation Using Public Grid and PVs as Energy Providers." Sustainability 15, no. 2 (2023): 1024. http://dx.doi.org/10.3390/su15021024.

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As the greenhouse cultivation industry considers new ways to reduce energy demand and increase sustainable production, the global energy crisis constitutes a major issue. In this paper, two different energy sources for heating and cooling the root zone area of baby leafy vegetables grown in hydroponic tanks by resistors and chillers, respectively, were compared in order to fully cover power demand. The energy needs in the first case were met by the public electricity grid, while in the second case, the energy needs were covered by a photovoltaic system. The greenhouse was equipped with photovo

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Nizigiyimana, J., and P. Chaiwiwatworakul. "Assessment of energy saving and CO₂ emission mitigation of low-lift cooling in computer hardware manufacturing industry: A case study in Thailand." IOP Conference Series: Earth and Environmental Science 1372, no. 1 (2024): 012062. http://dx.doi.org/10.1088/1755-1315/1372/1/012062.

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Abstract Released heat from production process contributes the largest proportion of cooling load in computer hardware manufacturing industry. According to traditional design practice, chiller plant produces chilled water at a temperature of 7°C to treat the entire load from the production process and from the comfort air-conditioning in buildings. However, the heat from the process is solely the sensible component where high-temperature chilled water (e.g., 15°C) can be used for the heat removal, the chillers equipped with low temperature-lift technology thus offer a great opportunity to impr

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Bahlawan, Hilal, Enzo Losi, Lucrezia Manservigi, et al. "Optimal design and energy management of a renewable energy plant with seasonal energy storage." E3S Web of Conferences 238 (2021): 02002. http://dx.doi.org/10.1051/e3sconf/202123802002.

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The exploitation of fossil fuels is undoubtedly responsible of environmental problems such as global warming and sea level rise. Unlike energy plants based on fossil fuels, energy plants based on renewable energy sources may be sustainable and reduce greenhouse gas emissions. However, they are unpredictable because of the intermittent nature of environmental conditions. For this reason, energy storage technologies are needed to meet peak energy demands thanks to the stored energy. Moreover, the renewable energy systems composing the plant must be optimally designed and operated. Therefore, thi

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Sena, Elisa T., Ilan Koren, Orit Altaratz, and Alexander B. Kostinski. "Record-breaking statistics detect islands of cooling in a sea of warming." Atmospheric Chemistry and Physics 22, no. 24 (2022): 16111–22. http://dx.doi.org/10.5194/acp-22-16111-2022.

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Abstract. Record-breaking statistics are combined here with a geographic mode of exploration to introduce a record-breaking map. We examine time series of sea surface temperature (SST) values and show that high SST records have been broken far more frequently than the expected rate for a trend-free random variable (TFRV) over the vast majority of oceans (83 % of the grid cells). This, together with the asymmetry between high and low records and their deviation from a TFRV, indicates SST warming over most oceans, obtained using a distribution-independent, robust, and simple-to-use method. The s

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Davies, J. H., and D. R. Davies. "Earth's surface heat flux." Solid Earth Discussions 1, no. 1 (2009): 1–45. http://dx.doi.org/10.5194/sed-1-1-2009.

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Abstract. We present a revised estimate of Earth's surface heat flux that is based upon a heat flow data-set with 38 347 measurements, which is 55% more than used in previous estimates. Our methodology, like others, accounts for hydrothermal circulation in young oceanic crust by utilising a half-space cooling approximation. For the rest of Earth's surface, we estimate the average heat flow for different geologic domains as defined by global digital geology maps; and then produce the global estimate by multiplying it by the total global area of that geologic domain. The averaging is done on a p

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Davies, J. H., and D. R. Davies. "Earth's surface heat flux." Solid Earth 1, no. 1 (2010): 5–24. http://dx.doi.org/10.5194/se-1-5-2010.

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Abstract. We present a revised estimate of Earth's surface heat flux that is based upon a heat flow data-set with 38 347 measurements, which is 55% more than used in previous estimates. Our methodology, like others, accounts for hydrothermal circulation in young oceanic crust by utilising a half-space cooling approximation. For the rest of Earth's surface, we estimate the average heat flow for different geologic domains as defined by global digital geology maps; and then produce the global estimate by multiplying it by the total global area of that geologic domain. The averaging is done on a p

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Hou, Hao, and Ronald C. Estoque. "Detecting Cooling Effect of Landscape Composition and Configuration: An Urban Heat Island Study on Hangzhou." Abstracts of the ICA 1 (July 15, 2019): 1–2. http://dx.doi.org/10.5194/ica-abs-1-120-2019.

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<p><strong>Abstract.</strong> Global warming is widely regarded as one of the most critical environmental issue in the 21st century. It is known to exacerbate urban heat island effects, a phenomenon that could affect the livability of cities and the lives and comfort of more than half of the world population who are now living in urban areas. The issue on how to mitigate the impacts of this phenomenon and help urban dwellers adapt to it, has been, and continues to be, an important topic in the context of landscape design and urban planning. This study sought to examine the co

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Ninzo, Thomas, Junaid Mouda Mohammed, and Rao Ch. Venkateswara. "Enactment of NZEB by state of art techniques in sultanate of oman." i-manager’s Journal on Future Engineering and Technology 18, no. 3 (2023): 1. http://dx.doi.org/10.26634/jfet.18.3.19163.

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The Sultanate of Oman, being a petroleum-producing country, depends on fossil fuels for the majority of its power production. The fossil fuel sources are on the verge of extinction if they are used at the current rate. Globally, buildings are expected to generate the energy they demand using renewable energy sources and, if possible, feed it to the grid. Zero Energy Buildings (ZEBs) and Near Zero Energy Buildings (NZEBs) are put into action for the above purposes. With an average global solar irradiation of 5.56 kWh/m2/day and an average wind speed of 6.58 knots, solar and wind are the primary

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Ahmed and Alipour. "Urban Form Compaction and Energy Use Intensity in New Social Housing Neighborhoods in the UAE." Sustainability 11, no. 14 (2019): 3815. http://dx.doi.org/10.3390/su11143815.

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With increasing global awareness of sustainable development, federal and local authorities in the UAE have developed agendas for energy efficiency in all development sectors, especially for buildings and urban development. With the belief that urban form is integral to urban sustainability, several recently developed single-family social housing neighborhoods in the UAE have shifted from conventional sprawling urban forms to more compact ones. Unfortunately, the impact of this shift on operational and cooling energy use intensities (EUIs) is unknown. Adopting a comparative computational method

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Nuñez-Castiñeyra, A., E. Nezri, J. Devriendt, and R. Teyssier. "Cosmological simulations of the same spiral galaxy: the impact of baryonic physics." Monthly Notices of the Royal Astronomical Society 501, no. 1 (2020): 62–77. http://dx.doi.org/10.1093/mnras/staa3233.

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ABSTRACT The interplay of star formation (SF) and supernova (SN) feedback in galaxy formation is a key element for understanding galaxy evolution. Since these processes occur at small scales, it is necessary to have sub-grid models that recover their evolution and environmental effects at the scales reached by cosmological simulations. In this work, we present the results of the Mochima simulation, where we simulate the same spiral galaxy inhabiting a Milky Way (MW) size halo in a cosmological environment changing the sub-grid models for SN feedback and SF. We test combinations of the Schmidt

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Abdur Rehman, Omais, Valeria Palomba, Andrea Frazzica, and Luisa F. Cabeza. "Analysis of a heat pump-based energy system exploiting a low GWP refrigerant in different European climates." E3S Web of Conferences 414 (2023): 03012. http://dx.doi.org/10.1051/e3sconf/202341403012.

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The objective of this research is to assess the operation of a heat pump (HP) under varying climatic conditions in Europe. To achieve this, a Dymola model is developed for a solar-assisted reversible water-to-water HP that utilizes a low global warming potential (GWP) refrigerant, R1234ze(E), and includes thermal and electrical energy storage systems. Experimental data is used to validate the primary components of the model. Simulations are conducted for both summer and winter seasons to determine the system’s overall annual performance. The analysis covers energy exchange between the system a

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Alghamdi, Abdulsalam, Luke S. Blunden, Majbaul Alam, AbuBakr S. Bahaj, and Patrick A. B. James. "Evaluating the Opportunities and Challenges of Domestic PV Installation in Saudi Arabia Based on Field Deployment in Jeddah." Energies 18, no. 11 (2025): 2733. https://doi.org/10.3390/en18112733.

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Despite the abundance of solar resources and significant electrical demand during the daytime, residential PV installations are rarely found in Saudi Arabia due to unfavorable economics, resulting from low electricity tariffs by global standards. This work reports on opportunities and challenges of residential PV installation in Saudi Arabia based on the deployment process and analyses of the performance of two 15 kWp PV systems installed on the rooftops of two similar villas in Jeddah, Saudi Arabia. For each villa, 18 months of electrical consumption and ambient temperature were available pre

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Rajagukguk, Michael, Ruben Cornelius Siagian, and Budi Gunawan. "The Role of Nuclear Energy in Achieving Sustainable Energy Solutions." Jurnal Lemhannas RI 12, no. 2 (2024): 131–48. https://doi.org/10.55960/jlri.v12i2.930.

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Purpose: The aim is to assess the role of nuclear energy as a stable and environmentally friendly energy source, as well as its advantages over fossil fuels and renewable energy. The research identifies the benefits, challenges, and technological advances in nuclear energy, as well as the potential for its expanded use in global efforts to reduce carbon emissions and transition to more environmentally friendly energy sources. Study Design/Methodology/Approach: The study used qualitative methodology. Data was collected from secondary sources; scientific papers, government reports, and industry

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Abramov, A. G., D. K. Zaitsev, E. M. Smirnov, and E. E. Kitanina. "Eddy resolving simulation of mixed convection in a rotating annular cavity with one heated disk and axial throughflow: the effect of the surface macro-relief." Journal of Physics: Conference Series 2088, no. 1 (2021): 012001. http://dx.doi.org/10.1088/1742-6596/2088/1/012001.

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Abstract We present the results of hybrid RANS/LES computations of non-isothermal buoyant flow in a rapidly revolving enclosure with paraxial transit stream of the cooling air. Foil heat flux meters mounted on the disk surface in the base experiment are mimicked by means of the grid resolved macro-relief. The results obtained using the relief and smooth disk models are collated with available measurements. According to the simulation, the addition of the relief has resulted in switching from two to three pairs of cyclonic/anti-cyclonic global circulations, and the overall heat transfer rate ha

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Amali, Amali A., Clemens Schwingshackl, Akihiko Ito, et al. "Biogeochemical versus biogeophysical temperature effects of historical land-use change in CMIP6." Earth System Dynamics 16, no. 3 (2025): 803–40. https://doi.org/10.5194/esd-16-803-2025.

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Abstract. Anthropogenic land-use change (LUC) substantially impacts climate dynamics, primarily through modifications in the surface biogeophysical (BGP) and biogeochemical (BGC) fluxes, which alter the exchange of energy, water, and carbon with the atmosphere. Despite the established significance of both the BGP and BGC effects, their relative contribution to climate change remains poorly quantified. In this study, we leveraged data from an unprecedented number of Earth system models (ESMs) of the latest generation that contributed to the Land Use Model Intercomparison Project (LUMIP), under

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Christobel, M., S. Tamil Selvi, and Shajulin Benedict. "Efficient Scheduling of Scientific Workflows with Energy Reduction Using Novel Discrete Particle Swarm Optimization and Dynamic Voltage Scaling for Computational Grids." Scientific World Journal 2015 (2015): 1–11. http://dx.doi.org/10.1155/2015/791058.

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One of the most significant and the topmost parameters in the real world computing environment is energy. Minimizing energy imposes benefits like reduction in power consumption, decrease in cooling rates of the computing processors, provision of a green environment, and so forth. In fact, computation time and energy are directly proportional to each other and the minimization of computation time may yield a cost effective energy consumption. Proficient scheduling of Bag-of-Tasks in the grid environment ravages in minimum computation time. In this paper, a novel discrete particle swarm optimiza

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Melo, Deyvidy Luã de Oliveira, Rafael Pereira Coelho, Juliana Mello da Silva, and Raylane Leite Menezes. "Hybrid cogeneration-photovoltaic systems to reduce energy costs and carbon footprint in large shopping malls." OBSERVATÓRIO DE LA ECONOMÍA LATINOAMERICANA 22, no. 12 (2024): e8461. https://doi.org/10.55905/oelv22n12-296.

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Shopping malls are significant energy consumers due to their size, operational complexity, and the need to maintain comfortable environments for high foot traffic. This study investigates the energy demand of a large shopping mall in Brazil, comparing the economic and environmental impacts of using a diesel generator versus the national grid to meet energy needs. Despite high residential electricity tariffs, reliance on the national grid remains more cost-effective than diesel generators. To address both cost and sustainability challenges, the study proposes an optimized hybrid energy solution

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Morrison, Gale. "Stirling Renewal." Mechanical Engineering 121, no. 05 (1999): 62–65. http://dx.doi.org/10.1115/1.1999-may-4.

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This article presents an analysis that shows refrigerators and generators that use an alternative thermodynamic cycle are a green engineering hotbed. Developers say that designs based on the Stirling cycle offer significant efficiencies, and Stirling-based refrigeration systems need no fluorocarbons. Stirling engines are being investigated for distributed electric power generation. That's because many see more efficient generation right where the user wants it, as an alternative to building more fossil fuel-burning plants and then constructing miles and miles of grid lines for transmission. Ac

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Huang, Lingzhen. "Lifecycle Visualization and Prediction of AI Electricity Footprint for Green Computing Ethics." Applied and Computational Engineering 174, no. 1 (2025): 242–48. https://doi.org/10.54254/2755-2721/2025.po25305.

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This paper proposes an integrated spatiotemporal framework that quantifies, visualizes, and forecasts the electricity- and carbon-footprint of AI workloads across their full lifecycle. Power use is decomposed into computing, transmission, and cooling components; GIS-based mapping links these loads to regional supply capacity, losses, and time-varying grid-emission factors. A hybrid time-series + machine-learning model then predicts short- to long-term supplydemand balance. Tests on 12 global data centres (180 days) reveal pronounced regional and diurnal heterogeneity: peak loads reach 47.3 kW

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Manirampa, D., and P. Chaiwiwatworakul. "CO₂ emission mitigation of a hybrid photovoltaic and cogeneration system in computer hardware manufacturing industry: A case study in Thailand." IOP Conference Series: Earth and Environmental Science 1372, no. 1 (2024): 012063. http://dx.doi.org/10.1088/1755-1315/1372/1/012063.

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Abstract In the wake of COP26 and the growing urgency of addressing climate change, achieving carbon neutrality by 2050 has become a central global objective. This imperative extends to industries like computer hardware manufacturing, which are now actively pursuing decarbonization strategies through the strategic adoption of renewable energy sources and energy efficiency enhancements. This research paper assessed the CO2 emission mitigation potential of a hybrid system of photovoltaic (PV) roof and cogeneration where a large factory of computer hardware manufacturing in tropical Thailand was

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