Academic literature on the topic 'Global grid cooling'

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Journal articles on the topic "Global grid cooling"

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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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Book chapters on the topic "Global grid cooling"

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Ding, Jianxin, and Qingzhou Yang. "Superposed Element Method for the Temperature Field Simulation in Mass Concrete Structures Containing Cooling Pipes." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4090-1_12.

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AbstractPipe cooling is an important measure for controlling the temperature in mass concrete structures, so it is one of the key problems to specifically simulate the effect of the cooling pipes in temperature field analysis. Because the size of cooling pipe is quite small from that of mass concrete structure, its exact simulation is the focus of simulation calculation. In this paper, a new method called SEM (superposed element method) is proposed to analyze the temperature field of mass concrete with cooling pipes in it. First, the structure is divided into two independent meshes. One is the
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Fox, Michael H. "Back to the Future: Nuclear Power." In Why We Need Nuclear Power. Oxford University Press, 2014. http://dx.doi.org/10.1093/oso/9780199344574.003.0010.

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Nuclear power is considered by many to be an old technology locked in the past— they say the future is with solar and wind. Commercial nuclear power began in 1951 when Russia built the first civilian nuclear power reactor, followed by the British in 1956 and the Americans in 1957. In the 1960s and 1970s, nuclear power plants blossomed all over the world. There were 42 reactors in the United States in 1973; by 1990 there were 112. Some of these were closed, so by 1998 there were 104 operating nuclear reactors (the same number operating at the end of 2012) providing about 100 GWe (gigawatts elec
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Conference papers on the topic "Global grid cooling"

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Patel, Chandrakant, Ratnesh Sharma, Cullen Bash, and Sven Graupner. "Energy Aware Grid: Global Workload Placement Based on Energy Efficiency." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-41443.

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Computing will be pervasive, and enablers of pervasive computing will be data centers housing computing, networking and storage hardware. The data center of tomorrow is envisaged as one containing thousands of single board computing systems deployed in racks. A data center, with 1000 racks, over 30,000 square feet, would require 10 MW of power to power the computing infrastructure. At this power dissipation, an additional 5 MW would be needed by the cooling resources to remove the dissipated heat. At $100/MWh, the cooling alone would cost $4 million per annum for such a data center. The concep
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Babaee, Hessam, Sumanta Acharya, and Xiaoliang Wan. "Optimization of Forcing Parameters of Film Cooling Effectiveness." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-95636.

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An optimization strategy is described that combines high-fidelity simulations with response surface construction, and is applied to pulsed film cooling for turbine blades. The response surface is constructed for the film cooling effectiveness as a function of duty cycle, in the range of DC between 0.05 and 1, and pulsation frequency St in the range of 0.2–2, using a pseudo-spectral projection method. The jet is fully modulated and the blowing ratio, when the jet is on, is 1.5 in all cases. Overall 73 direct numerical simulations (DNS) using spectral element method were performed to sample the
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Fumo, N., V. Bortone, and J. C. Zambrano. "Comparative Analysis of Solar Thermal Cooling and Solar Photovoltaic Cooling Systems." In ASME 2011 5th International Conference on Energy Sustainability. ASMEDC, 2011. http://dx.doi.org/10.1115/es2011-54162.

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The Energy Information Administration of the United States Department of Energy projects that more than 80% of the energy consumption of the U.S. by 2035 will come from fossil fuels. This projection should be the fuel to promote projects related to renewable energy in order to reduce energy consumption from fossil fuels to avoid their undesirable consequences such as carbon dioxide emissions. Since solar radiation match pretty well building cooling demands, solar cooling systems will be an important factor in the next decades to meet or exceed the green gases reduction that will be demanded by
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Hildebrandt, Thomas, Wolfgang Ganzert, and Leonhard Fottner. "Systematic Experimental and Numerical Investigations on the Aerothermodynamics of a Film Cooled Turbine Cascade With Variation of the Cooling Hole Shape: Part II — Numerical Approach." In ASME Turbo Expo 2000: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/2000-gt-0298.

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An extensive numerical study was accomplished in order to accompany an experimental research program. The present work is focussed on the influence of the shape and the inclination of film cooling holes on the aerodynamic of the turbine cooling flow. Four different cooling hole geometries located on the suction side of a large scale turbine cascade were modelled and numerically simulated over the entire range of practically applicable blowing ratios. The thermodynamic conditions chosen, were in order to simulate comparable engine conditions. Having computer limitations in mind, former simulati
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Dweik, Zain, Roger Briley, Timothy Swafford, and Barry Hunt. "Computational Study of the Heat Transfer of the Buoyancy-Driven Rotating Cavity With Axial Throughflow of Cooling Air." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-59978.

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Buoyancy driven flows that occur in the inter-disk space of an axial compressor spool play a major role in projecting gas turbine engine life and performance. The Rayleigh-Benard-like flow structure developed under the influence of centrifugal buoyancy creates sharp temperature gradients at the rotating walls of the compressor hardware. These sharp temperature gradients greatly influence the running stresses inside the machine and therefore affecting its life. The objective of this work is to generate a complete set of computationally-derived Nusselt number correlations that will be used in co
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Almehrzi, N. Humaid, and M. Alriyami. "Potential Energy Transformation into Hydropower Driven by Existing Returned Sea Water at Offshore Island." In ADIPEC. SPE, 2024. http://dx.doi.org/10.2118/222349-ms.

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Abstract The global transition to renewable energy is essential for addressing growing electricity demand, reducing greenhouse gas emissions, and combating climate change. ADNOC is committed to this shift through its 2030 Sustainability Strategy, which aims to cut GHG emissions intensity by 25% by 2030, requiring innovative technologies and solutions to meet this goal. This project proposes constructing a hydroelectric plant on Zirku Island, utilizing the cooling water return channel to the sea. The approach is to install an in-line turbine within the cooling water return pipeline, driven by t
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Almehrzi, N. Humaid, and M. Alriyami. "Potential Energy Transformation into Hydropower Driven by Existing Returned Sea Water at Offshore Island." In GOTECH. SPE, 2025. https://doi.org/10.2118/224762-ms.

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Abstract The global transition to renewable energy is essential for addressing growing electricity demand, reducing greenhouse gas emissions, and combating climate change. ADNOC is committed to this shift through its 2030 Sustainability Strategy, which aims to cut GHG emissions intensity by 25% by 2030, requiring innovative technologies and solutions to meet this goal. This project proposes constructing a hydroelectric plant on Zirku Island, utilizing the cooling water return channel to the sea. The approach is to install an in-line turbine within the cooling water return pipeline, driven by t
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Kim, Sunwoo, Kuan-Min Wang, Sylvie Lorente, and Adrian Bejan. "Vascularized Materials: Grids of Channels and Trees Matched Canopy to Canopy." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-13200.

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This is a fundamental study of how to discover the optimal flow architecture to vascularize a volume so that fluid flow and function (e.g. cooling, sensing, maintenance, repair, healing) reaches every point of the material. The presentation is made by discussing flow architectures that deliver healing fluid to all the crack sites that may occur randomly through the material. Two concepts are explored. In the first, a grid of interconnected channels is built into the material, and is filled with pressurized healing fluid. When a crack forms, the pressure drops at the crack site and fluid flows
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Irick, Kevin, and Nima Fathi. "Computational Evaluation of Thermal Barrier Coatings: Two-Phase Thermal Transport Analysis." In ASME 2019 Verification and Validation Symposium. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/vvs2019-5134.

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Abstract In the power plant industry, the turbine inlet temperature (TIT) plays a key role in the efficiency of the gas turbine and, therefore, the overall — in most cases combined — thermal power cycle efficiency. Gas turbine efficiency increases by increasing TIT. However, an increase of TIT would increase the turbine component temperature which can be critical (e.g., hot gas attack). Thermal barrier coatings (TBCs) — porous media coatings — can avoid this case and protect the surface of the turbine blade. This combination of TBC and film cooling produces a better cooling performance than co
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Jahani, Nazanin, Wardana Saputra, Carlos Torres-Verdín, and Egil Romsås Fjeldberg. "Fast Stochastic Inversion of Udar Measurements Using Adaptive Multi-Grid Simulated Annealing Guided By Model Parameter Error Estimation." In 2024 SPWLA 65th Annual Symposium. Society of Petrophysicists and Well Log Analysts, 2024. https://doi.org/10.30632/spwla-2024-0071.

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The growing demand for precise and efficient wellbore placement within heterogenous three-dimensional (3D) geological structures has propelled the adoption of 3D well geosteering. This approach necessitates the real-time inversion of borehole electromagnetic or ultradeep azimuthal resistivity (UDAR) measurements to estimate subsurface resistivities around and ahead of the well trajectory. However, in cases involving heterogeneous and/or anisotropic geological formations with multidimensional physical properties, the nonlinear nature of the inversion introduces challenges concerning efficiency,
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Reports on the topic "Global grid cooling"

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Opportunities and drivers for SME agribusinesses to reduce food loss in Africa and Asia. Commercial Agriculture for Smallholders and Agribusiness (CASA), 2023. http://dx.doi.org/10.1079/20240191175.

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Climate change, conflict, and the COVID-19 pandemic and its aftermath have caused a sharp increase in food insecurity globally. Reducing food loss - a decrease in the quantity and/or quality of food that takes place from production through to processing - in places where food insecurity is most severe has the potential to be a win-win for food security, climate outcomes, and for commercially driven agribusinesses. This report reviews the common drivers of food loss in sub-Saharan Africa and South Asia, which include inadequate storage, lack of cold chain, and poor post-harvest and distribution
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