Experimental investigation on the energy storage/discharge performance of xylitol in a compact spiral coil heat exchanger …
A modeling study on the heat storage and release characteristics of a phase change material based double-spiral coiled heat exchanger in an air source heat pump for defrosting Appl. Energy, 236 ( 2019 ), pp. 877 - 892, 10.1016/j.apenergy.2018.12.057
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Numerical investigations of the effect of the flip method on charging/discharging performance of a vertical shell-and-tube latent heat …
To address the issues of uneven heat transfer and low heat storage rate in the vertical shell-and-tube latent heat thermal energy storage (LHTES) unit, in the paper, the flip method is proposed to be applied to melting and solidification processes of units, aiming at prolonging the time for natural convection to work, while alleviating the …
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Journal of Energy Storage | Vol 43, November 2021
Coupling properties of thermodynamics and economics of underwater compressed air energy storage systems with flexible heat exchanger model. Huan Guo, Yujie Xu, Yilin …
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A fast reduced model for a shell-and-tube based latent heat thermal energy storage heat exchanger …
Price of electricity, [$ / k W h r] C tube Cost of tube material, [$ / k g] C pcm Cost of PCM material, [$ / k g] h f ... Finite-element analysis of cyclic heat transfer in a shell and tube latent heat energy storage exchanger Appl. …
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NUMERICAL ANALYSIS OF A HEAT EXCHANGER IN A THERMAL ENERGY STORAGE …
2. SYSTEM DESCRIPTION. Schematic view of the physical model is displayed in Fig. 1. The heat storage unit is a 1m long shell-and tube LHTES unit which consists of two concentric tubes with the PCM ...
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A Fast Reduced Model for a Shell-and-Tube Based Latent Heat Thermal Energy Storage Heat Exchanger …
KW - latent heat thermal energy storage system KW - nonlinear programming KW - reduced order model U2 - 10.1016/j.ijheatmasstransfer.2021.121479 DO - 10.1016/j.ijheatmasstransfer.2021.121479 M3 - Article SN - 0017-9310 VL - 176 JO - …
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Mitigating low-temperature corrosion in flue-gas heat exchangers for improving thermal storage …
Fig. 1 (a) shows a top view of the rectangular type finned tube heat exchanger, illustrating the overall layout and the central positioning of the tube within the rectangular fin enclosure. Fig. 1 (b) visually presents the geometric parameters of the rectangular type finned tube heat exchanger, detailing dimensions such as fin height (H), fin width (W), fin spacing (Fp), …
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Unsteady analysis of the cold energy storage heat exchanger in a liquid air energy storage system …
The heat exchanger (Hex) in a LAES system using liquid phase working mediums for cold energy storage (CES) works discontinuously for the intermittent characteristic of the LAES. Variable temperature distribution exists in the Hex for CES (Hex-CES) in the intermittent process, and degrades the performance of the CES unit.
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Design and dynamic modeling of printed circuit heat exchangers for supercritical carbon dioxide Brayton power …
The overall heat storage/release ratio is 3.43:1 and the energy storage round-trip efficiency is 73.58%. Compared to using only electrical heating TES, the addition of 142.34 MWth of TES improves the energy round-trip efficiency by 11 percentage points.
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(PDF) Evolutionary Design of Heat Exchangers in Thermal Energy Storage …
This chapter reviews the fundamental knowledge developed by the application of the constructal principle to the energy flows in the design of heat exchangers of thermal energy storage systems. It ...
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Optimising graphite composites and plate heat exchangers for latent thermal energy storage using measurements and simulation …
A novel heat exchanger concept for latent heat thermal energy storage in solar power towers: Modelling and performance comparison Solar Energy, 137 ( 2016 ), pp. 90 - 100 View PDF View article View in Scopus Google Scholar
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A modeling study on the heat storage and release characteristics of a phase change material based double-spiral coiled heat exchanger …
In order to clarify the phase change heat transfer mechanism during thermal energy storage and release processes, a mathematical model for the PCM based DSC heat exchanger should be developed. Firstly, to simplify the calculation, the geometry of the heat exchanger was simplified, with the heat transfer problem changed from three …
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Unsteady analysis of the cold energy storage heat exchanger in a liquid air energy storage …
DOI: 10.1016/j.energy.2021.122989 Corpus ID: 245440996 Unsteady analysis of the cold energy storage heat exchanger in a liquid air energy storage system @article{Chen2021UnsteadyAO, title={Unsteady analysis of the cold energy storage heat exchanger in a ...
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Evolutionary Design of Heat Exchangers in Thermal Energy Storage …
The efficiency and ability to control the energy exchanges in thermal energy storage systems using the sensible and latent heat thermodynamic processes depends on the best configuration in the heat exchanger''s design. In 1996, Adrian Bejan introduced the Constructal Theory, which design tools have since been explored to …
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HEAT EXCHANGERS FOR THERMAL ENERGY STORAGE: CHALLENGES AND MITIGATION HEATRIC''S
HEAT EXCHANGERS FOR THERMAL ENERGY STORAGE The ideal heat exchanger… What are the requirements? • Big increase in exchanger enquiries for Long Duration, High Capacity energy storage (10''s/100''s MWhrs) • Such exchangers require 1,000''s 1.
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Experimental investigation on heat recovery from diesel engine exhaust using finned shell and tube heat exchanger and thermal storage …
The experimental setup consists of a twin cylinder, four stroke, water cooled, Kirloskar make diesel engine (bore 87.5 mm, stroke 110 mm, rated power 7.4 kW at 1500 rpm) coupled to an electrical dynamometer, integrated with a heat recovery heat exchanger (HRHE) and a thermal storage system. ...
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Effect of thermal storage and heat exchanger on compressed air energy storage …
A-CAES was first proposed in 1972 [17] g. 2 illustrates the working principle of A-CAES: the compression heat of the compressor is used to heat the high-pressure air at the inlet of the expander instead of combustion chamber, and the input and output useful energy are only involved in electrical energy. ...
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Modelling and experimental validation of ...
The TES includes five cooling heat-exchangers for compression, three heating heat-exchangers for expansion and two storage tanks, one of which is of high …
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Effect of inner-tube spacing on charging and discharging performance of latent energy storage heat exchangers …
The used mesh is presented in Fig. 1 c.To ensure that the simulation results are not affected by mesh elements and time steps, the numerical simulations were conducted under different mesh elements and time steps. As shown in Fig. 2 a and b, the maximum difference of liquid fraction between 15444 elements and 24304 elements is …
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Buy Tube Heat Exchanger from Jiangsu Eric Energy Storage …
Buy low price Tube Heat Exchanger by Jiangsu Eric Energy Storage Equipment Technology Co., Ltd., a leading supplier from China. 341 similar products are also …
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Paraffin core-polymer shell micro-encapsulated phase change materials and expanded graphite particles as an enhanced energy storage medium in heat ...
The heat storage vessel was a plate-type heat exchanger unit with water as the working fluid and a phase change material (PCM) as the energy storage medium. Wu et al. [35] proposed an experimental investigation to study the feasibility of an EG paraffin phase change material heat exchanger, which operates as a condenser in an …
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CNESA Global Energy Storage Market Analysis – 2020.Q1 …
In the first quarter of 2020, domestic front-of-the-meter projects (including renewable integration, frequency regulation ancillary services, and grid-side projects) saw …
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Applied Sciences | Free Full-Text | A Fast-Reduced Model for an Innovative Latent Thermal Energy Storage for Direct Integration in Heat …
In the present paper, the numerical modeling of an innovative latent thermal energy storage unit, suitable for direct integration into the condenser or evaporator of a heat pump is presented. The Modelica language, in the Dymola environment, and TIL libraries were used for the development of a modular model, which is easily re-usable and …
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Thermal performance of phase change material based heat …
Solid-liquid latent heat storage, featured by the high-density energy storage capacity, is promising in facilitating the high-penetration renewable energy. However, the design of …
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(PDF) NUMERICAL ANALYSIS OF A HEAT EXCHANGER IN A THERMAL ENERGY STORAGE SYSTEM …
PCM, which stores the heat from HTF, cools by giving the heat to HTF. At the beginning of the solidification process, natural convection in the liquid PCMs dominates heat transfer in the storage ...
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Performance Analysis on Energy-Storage Heat Transfer Process
This paper analyses the heat storage processes in HVAC system and uses the entransy method to calculate the equivalent thermal resistance of energy-storage …
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Meshless Optimization of Triply Periodic Minimal Surface Based Two-Fluid Heat Exchanger …
DOI: 10.1016/j.cad.2023.103554 Corpus ID: 258926193 Meshless Optimization of Triply Periodic Minimal Surface Based Two-Fluid Heat Exchanger @article{Jiang2023MeshlessOO, title={Meshless Optimization of Triply Periodic Minimal Surface Based Two-Fluid Heat Exchanger}, author={Yu Jiang and Jiangbei Hu and …
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[PDF] Cryogenic heat exchangers for process cooling and renewable energy storage…
DOI: 10.1016/J.APPLTHERMALENG.2019.02.106 Corpus ID: 116193341 Cryogenic heat exchangers for process cooling and renewable energy storage: A review @article{Popov2019CryogenicHE, title={Cryogenic heat exchangers for process cooling and renewable energy storage: A review}, author={Dimityr Popov and Kostadin Fikiin …
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A Fast Reduced Model for a Shell-and-Tube Based Latent Heat …
A Fast Reduced Model for a Shell-and-Tube Based Latent Heat Thermal Energy Storage Heat Exchanger and its Application for Cost Optimal Design by Nonlinear Programming: …
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Recent progress and outlook of thermal energy storage …
Thermal energy storage (TES) plays an important role in addressing the intermittency issue of renewable energy and enhancing energy utilization efficiency. This study focuses on …
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Air-Sand Heat Exchanger for High-Temperature Storage | J. Sol. Energy …
In view of rising energy prices and an increasing share of power generated by renewable energy sources, the importance of energy storage is growing. In the framework of this project, a thermal energy storage concept for solar power towers is being developed, in which quartz sand serves as a storage medium. Sand is suitable due to its …
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Thermo-mechanical analysis of heat exchanger design for thermal energy storage …
The heat exchanger layout investigated here is based on Laing et al. [16] and illustrated in Fig. 1 a.According to the analytical solution presented in Miao et al. [17], three quantities were considered as the main geometric design parameters in the analysis: the outer and inner diameters of the heat exchanger, and the tube pitch which is defined …
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Reduced-order modeling method for phase-change thermal energy storage heat exchangers …
Fig. 1 shows the schematic of the phase change thermal storage device, in which the PCM slabs are separated by tubes. As the fluid flows through the tube, heat is transferred between the fluid and the PCM slab. Fig. 2 shows the phase change process (either melting or solidification) in a single PCM slab derived from the PCM-HX simulation …
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Heat Transfer and Friction Characteristics of Printed Circuit Heat Exchangers …
Semantic Scholar extracted view of "Heat Transfer and Friction Characteristics of Printed Circuit Heat Exchangers with Different Channel Structures for S-CO2 Power System" by Tao Jiang et al. DOI: 10.1007/s11630-024-1942-z Corpus ID: 268175800 Heat Transfer ...
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Experimental evaluation of commercial heat exchangers for use as PCM thermal storage …
The parameters of two experiments with a turbulent flow of 0.38 m 3 /h and 0.35 m 3 /h were presented in Table 3. The double-pipe heat exchanger with encapsulated PCM in the annular space ...
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Effect of inner-tube spacing on charging and discharging performance of latent energy storage heat exchangers …
Compared with the traditional horizontal double-tube heat exchangers, the horizontal dual-inner-tube latent thermal energy storage (LTES) heat exchangers can effectively shorten ...
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Flow and heat transfer performance of plate phase …
Fig. 1 The thermal contr ol system of the satellite payload. The phase change energy storage heat exchanger is consist of 20 layers of PCM, 17l ayers of. internal fluid circuit, and 2 layers of ...
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Cryogenic heat exchangers for process cooling and renewable energy storage…
This review highlights the recent advancements in the design and operation of cryogenic heat exchangers for large-scale applications. After being intensively used for air separation for many years, cryogenic HEs have found another prominent role in natural gas liquefaction. Liquid Air Energy Storage (LAES) is another industrial application ...
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Simulation and optimization of square fin concentric tube heat storage exchanger
Many scholars have studied the heat transfer performance of heat exchangers with different fin shapes. Rauber et al. 10 optimized the fin structure of a four-tube heat exchanger with rectangular and circular perforations in the center of the fins and showed that a larger characteristic perforation size increases the heat transfer rate of the …
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