Academic literature on the topic 'Thermocline tank design'

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Journal articles on the topic "Thermocline tank design"

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Bonanos, A. M., and E. V. Votyakov. "Sensitivity analysis for thermocline thermal storage tank design." Renewable Energy 99 (December 2016): 764–71. http://dx.doi.org/10.1016/j.renene.2016.07.052.

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Wang, Gang, and Tong Wang. "Effect Evaluation of Filling Medium Parameters on Operating and Mechanical Performances of Liquid Heavy Metal Heat Storage Tank." Sustainability 14, no. 21 (2022): 14551. http://dx.doi.org/10.3390/su142114551.

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In order to evaluate the feasibility and performance of liquid lead-bismuth eutectic as the heat transfer fluid for thermocline heat storage tanks in solar power systems, we conducted an effect evaluation of filling medium parameters on the integrated operating and mechanical performances of a thermocline tank using liquid lead-bismuth eutectic using the computational fluid dynamics simulation method. Four parameters were evaluated: the porosity, thermal conductivity, specific heat capacity, and equivalent diameter of the filling medium. The results show that the liquid lead-bismuth eutectic t
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Hua, Yuchao, and Lingai Luo. "Influence of Non-Uniform Distributions of Filler Porosity on the Thermal Performance of Thermocline Storage Tanks." WSEAS TRANSACTIONS ON HEAT AND MASS TRANSFER 17 (August 5, 2022): 161–65. http://dx.doi.org/10.37394/232012.2022.17.18.

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Thermal energy storage is of critical importance for the highly-efficient utilization of renewable energy sources. Over the past decades, the single-tank thermocline technology has attracted much attention owing to its high cost-effectiveness. In the present work, we investigate the influence of the filler porosity’s non-uniform distribution on the thermal performance of the packed-bed sensible heat thermocline storage tanks, using the analytical model obtained by the Laplace transform. Our analyses prove that the different porosity distributions can result in the significantly different behav
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Fernández, Francisco, José Díaz, María Folgueras, and Inés Suárez. "Stratification Analysis and Behaviour of a Real Industrial Thermocline Thermal Energy Storage Tank for Cogeneration Purposes." Processes 9, no. 1 (2021): 120. http://dx.doi.org/10.3390/pr9010120.

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Thermal energy storage systems help to couple thermal energy generation and process demand in cogeneration facilities. One single deposit with two design temperatures and one main temperature step in sensible thermal energy storage define the thermocline systems. Performance of one high size real thermocline thermal energy storage system is analysed. Starting from temperature and mass flow rate data registered by the plant control system, one advanced thermodynamic analysis is performed. The quality of heat storage is analysed in terms of evaluation of the stratification in the thermocline zon
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Fernández, Francisco, José Díaz, María Folgueras, and Inés Suárez. "Stratification Analysis and Behaviour of a Real Industrial Thermocline Thermal Energy Storage Tank for Cogeneration Purposes." Processes 9, no. 1 (2021): 120. http://dx.doi.org/10.3390/pr9010120.

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Thermal energy storage systems help to couple thermal energy generation and process demand in cogeneration facilities. One single deposit with two design temperatures and one main temperature step in sensible thermal energy storage define the thermocline systems. Performance of one high size real thermocline thermal energy storage system is analysed. Starting from temperature and mass flow rate data registered by the plant control system, one advanced thermodynamic analysis is performed. The quality of heat storage is analysed in terms of evaluation of the stratification in the thermocline zon
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Chang, Z. S., X. Li, C. Xu, C. Chang, and Z. F. Wang. "The Design and Numerical Study of a 2MWh Molten Salt Thermocline Tank." Energy Procedia 69 (May 2015): 779–89. http://dx.doi.org/10.1016/j.egypro.2015.03.094.

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Zhu, Chao, Jian Zhang, Yueshe Wang, et al. "Study on Thermal Performance of Single-Tank Thermal Energy Storage System with Thermocline in Solar Thermal Utilization." Applied Sciences 12, no. 8 (2022): 3908. http://dx.doi.org/10.3390/app12083908.

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For the intermittence and instability of solar energy, energy storage can be a good solution in many civil and industrial thermal scenarios. With the advantages of low cost, simple structure, and high efficiency, a single-tank thermal energy storage system is a competitive way of thermal energy storage (TES). In this study, a two-dimensional flow and heat transfer model of a cylindrical storage tank with water as heat transfer fluid (HTF) is developed, in which the effects of time, flow velocity, and height-to-diameter ratio of the tank on the thermocline thickness have been highlighted. The r
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Ahmed, Sabah Noori, Ahmed Abdulnabi Imran, and Nabeel Sameer Mahmoud. "EXPERIMENTAL AND NUMERICAL INVESTIGATION OF NOVEL DIFFUSERS FOR ENHANCED THERMAL STRATIFICATION IN TANKS." JP Journal of Heat and Mass Transfer 38, no. 2 (2025): 38–2. https://doi.org/10.17654/0973576325011.

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The efficacy of thermal energy storage systems is fundamentally dependent on maintaining thermal stratification within water storage tanks. This study scrutinizes how diffuser design impacts thermal stratification under varying flow rates. Specifically, we evaluate two diffuser models: a holed parallel plate radial diffuser (D-1) and a curved parallel plate radial diffuser (D-2). Utilizing an experimental setup with flow rates ranging from 5 to 8 liters per minute, complemented by Computational Fluid Dynamics simulations, our analysis reveals that the radial diffuser with a curved parallel pla
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Weiss, Julius, Iñigo Ortega-Fernández, Ralf Müller, Daniel Bielsa, and Thomas Fluri. "Improved thermocline initialization through optimized inlet design for single-tank thermal energy storage systems." Journal of Energy Storage 42 (October 2021): 103088. http://dx.doi.org/10.1016/j.est.2021.103088.

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Li, Peiwen, Jon Van Lew, Wafaa Karaki, Cholik Chan, Jake Stephens, and Qiuwang Wang. "Generalized charts of energy storage effectiveness for thermocline heat storage tank design and calibration." Solar Energy 85, no. 9 (2011): 2130–43. http://dx.doi.org/10.1016/j.solener.2011.05.022.

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Dissertations / Theses on the topic "Thermocline tank design"

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Guerreiro, Luís. "Energy optimization of a concentrated solar power plant with thermal storage." Doctoral thesis, Universidade de Évora, 2016. http://hdl.handle.net/10174/25594.

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One of the most relevant problems to solve at a planetary scale is the access to an affordable clean source of energy as CO2 equivalent emissions should be reduced significantly. Some authors aim for a zero emissions target for 2050. Renewable energies will play a leading role in this energy transition, and solar energy with storage is a promising technology exploring a renewable and worldwide available resource. Within the present thesis component development like a new thermal storage thermocline tank design or having latent heat storage capability are technological developments that have be
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Conference papers on the topic "Thermocline tank design"

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Bharathan, Desikan, and Greg C. Glatzmaier. "Progress in Thermal Energy Storage Modeling." In ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/es2009-90119.

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Economic analyses for concentrated solar power (CSP) systems indicate that the cost of electricity can be reduced through the use a molten-salt thermal energy storage system (TES). Use of a thermocline in the tanks to keep cold and hot fluids separate in the tank has been proposed to further reduce the cost for TES to about $30/kWh thermal. This paper studies the details for molten-salt storage where the tank is filled with nominally 1-inch-size quartzite rocks and 1/4-inch sand particles. These filler materials are envisioned to occupy 75% of the tank’s volume. Experiments at Sandia National
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Heath, Garvin, Craig Turchi, Terese Decker, John Burkhardt, and Chuck Kutscher. "Life Cycle Assessment of Thermal Energy Storage: Two-Tank Indirect and Thermocline." In ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/es2009-90402.

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In the United States, concentrating solar power (CSP) is one of the most promising renewable energy (RE) technologies for reduction of electric sector greenhouse gas (GHG) emissions and for rapid capacity expansion. It is also one of the most price-competitive RE technologies, thanks in large measure to decades of field experience and consistent improvements in design. One of the key design features that makes CSP more attractive than many other RE technologies, like solar photovoltaics and wind, is the potential for including relatively low-cost and efficient thermal energy storage (TES), whi
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Flueckiger, Scott, Zhen Yang, and Suresh V. Garimella. "Thermocline Energy Storage in the Solar One Power Plant: An Experimentally Validated Thermomechanical Investigation." In ASME 2011 5th International Conference on Energy Sustainability. ASMEDC, 2011. http://dx.doi.org/10.1115/es2011-54578.

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The growing interest in large-scale solar power production has led to a renewed exploration of thermal storage technologies. In a thermocline storage system, heat transfer fluid (HTF) from the collection field is simultaneously stored at both excited and dead thermal states inside a single tank. A granulated porous medium included in the tank provides thermal mass for storage and reduces the amount of HTF volume required. While the thermocline offers a low-cost storage option, thermal ratcheting of the tank wall (generated by filler material reorientation from continuous thermal cycling) poses
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Valmiki, M. M., Peiwen Li, and Cholik Chen. "Parametric Study Simulating the Daily Operation of a Thermocline Thermal Storage System." In ASME 2012 6th International Conference on Energy Sustainability collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/es2012-91241.

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This work considers a packed-bed thermocline for use as an energy storage device in solar thermal power generation. A preliminary sizing procedure of a thermocline system for a 50 MWe plant is demonstrated along with predicted transient performance under various conditions. The inlet fluid temperatures are modeled as constant or time-dependent. The time-varying inlet conditions represent solar insolation variations throughout the day which roughly take a periodic form. Sinusoidal and periodic functions based on recorded data supply this inlet condition. A constant inlet temperature can be prod
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Nithyanandam, Karthik, Ranga Pitchumani, and Anoop Mathur. "Analysis of a Latent Thermocline Energy Storage System for Concentrating Solar Power Plants." In ASME 2012 6th International Conference on Energy Sustainability collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/es2012-91389.

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The primary purpose of a thermal energy storage system in a concentrating solar power (CSP) plant is to extend the operation of plant at times when energy from the sun is not adequate by dispatching its stored energy. Storing sun’s energy in the form of latent thermal energy of a phase change material (PCM) is desirable due to its high energy storage density which translates to less amount of salt required for a given storage capacity. The objective of this paper is to analyze the dynamic behavior of a packed bed encapsulated PCM energy storage subjected to partial charging and discharging cyc
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Codd, Daniel S., and Alexander H. Slocum. "Direct Absorption Volumetric Molten Salt Receiver With Integral Storage." In ASME 2011 5th International Conference on Energy Sustainability. ASMEDC, 2011. http://dx.doi.org/10.1115/es2011-54175.

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A new design is presented for a concentrating solar power central receiver system with integrated thermal storage. Concentrated sunlight penetrates and is absorbed within a passive molten salt pool, also acting as a single-tank assisted thermocline storage system. The receiver has a relatively small aperture, open to the environment without requiring a transparent window to isolate the system, exhibiting low losses while achieving high temperatures needed for efficient power generation. The use of an insulated divider plate provides a physical and thermal barrier to separate the hot and cold s
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Nithyanandam, K., and R. Pitchumani. "Techno-Economic Analysis of Concentrating Solar Power Plants With Integrated Latent Thermal Storage Systems." In ASME 2013 7th International Conference on Energy Sustainability collocated with the ASME 2013 Heat Transfer Summer Conference and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/es2013-18213.

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Integrating a thermal energy storage (TES) in a concentrating solar power (CSP) plant allows for continuous operation even during times when solar radiation is not available, thus providing a reliable output to the grid. In the present study, the cost and performance models of an encapsulated phase change material thermocline storage system are integrated with a CSP power tower system model to investigate its dynamic performance. The influence of design parameters of the storage system is studied for different solar multiples of the plant to establish design envelopes that satisfy the U.S. Dep
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Mostafavi Tehrani, S. Saeed, Yashar Shoraka, Robert A. Taylor, and Chris Menictas. "Performance Analysis of High Temperature Sensible Heat Thermal Energy Storage Systems for Concentrated Solar Thermal Power Plants." In ASME 2017 Heat Transfer Summer Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/ht2017-5091.

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Due to their relatively high capital and environmental cost of two-tank molten salt thermal storage systems, a significant amount of research has gone into looking for sensible and latent thermal energy storage alternatives suitable for concentrated solar thermal (CST) plants. Despite a large number of developments in the last decade, comparative studies among promising options have been lacking. In particular, only a few comparative studies are available in which thermal energy storage (TES) systems are integrated as an active subcomponent of CST plant. Therefore, this study compares selected
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Ortega-Fernández, Iñigo, Antoni Gil, Abdessamad Faik, Javier Rodríguez-Aseguinolaza, and Bruno D’Aguanno. "Parametric and Thermal Management Optimization of a Steel Slag Based Packed Bed Heat Storage." In ASME 2015 9th International Conference on Energy Sustainability collocated with the ASME 2015 Power Conference, the ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2015 Nuclear Forum. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/es2015-49356.

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In this work steel slag, one of the main by-products of the steelmaking industry, is proposed as a competitive and effective heat storage material. The implemented storage design suggested for this material is a solid packed bed arrangement based in the temperature stratification (thermocline) phenomena. In particular, two different solutions based on different storage tank geometries, cylindrical and conical, have been modeled by using computational fluid dynamic (CFD) methods. In addition, both geometries have been simulated under two different operation modes as a function of the used heat
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