jiang energy storage heat exchanger product solution
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Design and dynamic simulation of flue gas-molten salt heat …
Design and dynamic simulation of flue gas-molten salt heat exchanger in flexible operation coal-fired power plant. Kaijun Jiang, Guangming Zhang, +6 authors. Qiang Zhang. …
Simulation and optimization of square fin concentric tube heat storage ...
With the increasing proportion of new energy generation and the increasing depth of peaking of thermal power generation, the contradiction between supply and demand in energy is becoming increasingly prominent, and energy storage technology has become a research hotspot. 1,2 Phase change heat storage technology has a …
Numerical simulation on heat storage performance of backfill body based on tube-in-tube heat exchanger …
Sheikholeslami et al. [25], [26] and Ma et al. [27] simulated the solidification process of PCM with nano particles in tube-in-tube heat exchanger. The change rule of energy storage efficiency was studied …
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 …
Thermal performance of polymer gyroid heat exchangers combined with phase change materials as a latent heat thermal energy storage …
Thermal energy storage is essential for enhancing energy efficiency and reducing carbon dioxide emissions across various sectors, particularly when an energy source exhibits intermittency [2, 3]. In this context, latent heat thermal energy storage (LHTES) systems utilizing cost-effective phase-change materials (PCMs), such as water and paraffin, are …
Optimization of solution flow rate and heat transfer area …
A complete heat and mass transfer model of the AHE system is first proposed.. The feasibility of the entransy dissipation theory is studied. • The minimum thermal resistance corresponds to the best operating condition of the system.. The solution flow rate and heat transfer area allocation of the AHE system are optimized.. The …
Exploration on two-stage latent thermal energy storage for heat ...
The Latent Heat Thermal Energy Storage (LHTES) system has been developed as a dispatchable solution for storing and releasing thermal energy. …
Numerical investigations of the effect of the flip method on charging/discharging performance of a vertical shell-and-tube latent heat …
Unlike the passive heat transfer enhancement technology, the active one allows for flexibility in increasing the heat storage rate without negatively affecting the heat storage density. Based on experimental observations made by Yan et al. [ 30 ], who presented a novel method of utilizing ultrasonic vibrations to enhance heat transfer, the …
Selection of Phase Change Material for Latent Heat Thermal Energy ...
Abstract. Phase change materials (PCMs) are promising for storing thermal energy as latent heat, addressing power shortages. Growing demand for concentrated solar power systems has spurred the development of latent thermal energy storage, offering steady temperature release and compact heat exchanger designs. …
Low-melting-point liquid metal convective heat transfer: A review
The scientific challenges and future directions are discussed. Low-melting-point liquid metal convection is rapidly emerging as a high-performance heat transfer technology in electronics thermal management and energy fields. The advantages of gallium-based and bismuth-based liquid metals, such as low melting point, high thermal …
Standardised methods for the determination of key performance indicators for thermal energy storage heat exchangers …
The energy content of LTES heat exchangers changes during charging and discharging since they are energy storage systems. In contrast, standard heat exchangers can be analyzed under steady-state conditions.
Thermal Energy Storage Heat Exchanger Design: Overcoming …
Abstract. Recently, there has been a renewed interest in solid-to-liquid phase-change materials (PCMs) for thermal energy storage (TES) solutions in response to ambitious decarbonization goals. While PCMs have very high thermal storage capacities, their typically low thermal conductivities impose limitations on energy charging and …
A modeling study on the heat storage and release ...
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 …
Advances in thermal energy storage: Fundamentals and …
The fundamental benefit of adopting TES in DH/DC systems is the ability to decouple heat/cold generation from consumption. When demand exceeds supply, whether, on a short or long-time scale, the primary purpose of TES is to store the highest renewable energy production for later heat/cold consumption.
New preparation methods for coated heat exchangers in ...
This makes them suitable for low temperature sources like solar energy or waste heat. Regarding energy storage applications, adsorption possesses the …
Progress and challenges of Latent Thermal Energy Storage …
DOI: 10.1016/j.energy.2024.132101 Corpus ID: 270697013; Progress and challenges of Latent Thermal Energy Storage through external field-dependent heat transfer enhancement methods
Energy storage in China: Development progress and business model
Energy storage systems can relieve the pressure of electricity consumption during peak hours. Energy storage provides a more reliable power supply …
Study on efficient heating method by solar coupled air source heat …
Furthermore, Ni et al. [27] carried out an experimental investigation on the annual operation of solar energy and ASHP heating system with a three-tube energy storage heat exchanger. They found that higher temperatures and flow rates of hot water on the solar side could considerably enhance the heating energy efficiency of the system.
Thermal performance of a plate-type latent heat thermal energy storage heat exchanger …
As a key component of latent heat thermal energy storage system, heat exchangers that complete the energy storage process directly affect the operation efficiency of the system [11], [12], [13]. In order to improve the heat storage rate of the LHTES heat exchanger, scholars made extensive research on the structure of heat …
Simulation study on charging performance of the latent energy storage heat exchanger …
The application of a latent heat thermal energy storage (LHTES) system can effectively solve the problem of the mismatch between the energy supply and demand. However, most studies focus on the traditional cylindrical configuration with a low heat storage rate, which limits the wide application of LHTES systems.
Latent heat thermal energy storage solution for CSPs: Integration of PCM heat exchangers …
The possibility of PCM based latent heat storage system is explored in this work via different heat exchanger configurations in this work. Two base cases (case with one circular HTF tube and case with two circular HTF tubes) are considered for comparison with the considered cases.
Development of a modular heat exchanger with integrated latent heat …
Review on thermal energy storage and eutectic nitrate salt melting point. In solar concentrates, thermal energy (TES) storage has a significant function (CSP). This article will discuss the forms of TES and TES content, focusing on …
One-dimensional modelling of sensible heat storage tanks with immersed helical coil heat exchangers…
From a modelling standpoint, tank-exchanger assemblies can be categorised into two fundamental configurations as shown in Fig. 2.The exchanger may be situated on either the source or sink side. A source-side exchanger, see Fig. 2 a, is typically found in solar or heat pump systems, while a sink-side exchanger, see Fig. 2 b, is …
An approximate analytical solution for the movement of the phase change front in latent thermal energy storage heat exchangers …
DOI: 10.1016/j.est.2022.106132 Corpus ID: 254358797 An approximate analytical solution for the movement of the phase change front in latent thermal energy storage heat exchangers Tube in tube phase change material (PCM) heat exchangers have great potential ...
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 …
An approximate analytical solution for the movement of the phase change front in latent thermal energy storage heat exchangers,Journal of Energy ...
Latent thermal energy storage (LTES) heat exchangers are being applied in a wide range of energy systems. However, there is no analytical method to determine the outlet temperature of LTES heat exchangers from its operational conditions. This hinders ...
What is the Best Solution to Improve Thermal Performance of Storage Tanks With Immersed Heat Exchangers…
Prior studies of indirect water storage tanks that employ an immersed heat exchanger to discharge the stored energy have identified two potential methods of improving the rate of energy extraction ...
Yi JIANG | Head,Building energy research centre | Tsinghua …
Optimization of Solution Flow Rate and Heat Transfer Area Allocation in the Two-stage Absorption Heat Exchanger System Based on a Complete Heat and Mass Transfer Simulation Model Article Jun 2020
DIGITAL INTERNATIONAL CONGRESS ON ALUMINIUM BRAZING ALUMINIUM HEAT EXCHANGER …
WELCOME TO THE. 1st DIGITAL INTERNATIONAL CONGRESS ON ALUMINIUM BRAZING AND ALUMINIUM HEAT EXCHANGER TECHNOLOGIES FOR HVAC&R IN COMBINATION WITH A DIGITAL EXHIBITION. Last year we decided to postpone the Congress on Aluminium Brazing (due to COVID-19) to 2021 and to link this event with …
Optimization of solution flow rate and heat transfer area …
@article{Yuhao2020OptimizationOS, title={Optimization of solution flow rate and heat transfer area allocation in the two-stage absorption heat exchanger system based on a complete heat and mass transfer simulation model}, author={Yi Yuhao and Xiaoyun Xie and Yi Jiang}, journal={Applied Thermal Engineering}, year={2020}, url={https://api ...
Exploration on two-stage latent thermal energy storage for heat ...
It is found that 86.45 kJ/kg of heat energy extracted from the heat exchanger and 0.54 kW of heat energy is saved at full load condition; it is nearly 7% of fuel power is stored as heat in the ...
Cryogenic heat exchangers for process cooling and renewable energy storage…
Another recent application of cryogenics involves carbon (as CO 2) capture is a post-combustion technology that cools the flue gas of a fossil fuel power plant to de-sublimation temperatures (173–138 K), separates the generated solid CO 2 from the light gaseous components, uses the cold products to cool the incoming gases in a …
Study on thermal radius and capacity of multiple deep borehole heat exchangers: Analytical solution…
A coupled heat transfer model of medium-depth downhole coaxial heat exchanger based on the piecewise analytical solution Energy Convers Manag, 204 ( 2020 ), Article 112308, 10.1016/j.enconman.2019.112308
Design and dynamic simulation of flue gas-molten salt heat exchanger …
DOI: 10.1016/j.est.2024.112227 Corpus ID: 270274669; Design and dynamic simulation of flue gas-molten salt heat exchanger in flexible operation coal-fired power plant @article{Jiang2024DesignAD, title={Design and dynamic simulation of flue gas-molten salt heat exchanger in flexible operation coal-fired power plant}, author={Kaijun Jiang and …
Numerical modeling of a coaxial borehole heat exchanger to exploit geothermal energy …
DOI: 10.1016/j.renene.2019.09.141 Corpus ID: 208846488 Numerical modeling of a coaxial borehole heat exchanger to exploit geothermal energy from abandoned petroleum wells in Hinton, Alberta Geothermal energy is a reliable and mature energy source, but it ...
Shuang JIANG | Doctor of Philosophy | Dalian Nationalities …
For a thermochemical energy storage (TCES) system, the fluid flow, heat and mass transfer, and reaction kinetics in packed bed reactors are closely related to the packing structure, which is ...