(PDF) Study of effective solar energy storage using a …
It is also shown that the connection of three solar collectors with an area of 81.6 m 2 for a GSHP system reduces the length of the ground heat exchanger by 15%. Ghoreishi-Madiseh et al. [32 ...
Yiqiang JIANG | Harbin Institute of Technology, Harbin | HIT
The medium and deep U-type borehole heat exchanger (MDUBHE) coupled with ground source heat pump systems has recently received extensive attention as a novel closed …
Comparison study on three ice storage equipments using micro-tube heat exchanger for cold chain logistics: Energy …
Comparison study on three ice storage equipments using micro-tube heat exchanger for cold chain logistics Zhengkun Jiang a School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China;b R & D Department, Suzhou Wecergy Heat Transfer Technology Co., Ltd, Suzhou, China View further author information
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 …
Ping Jiang, Ranran Chang and Haijian Lv
a1286165479@qq . Abstract. Non-supplementary Fired Compressed Air Energy Storage System (NF-CAES) consists of compressor, turbine, gas storage chamber, heat exchanger equipment, such as the ...
Energy conversion through deep borehole heat exchanger systems: Heat storage …
In the exploitation of geothermal energy, borehole heat exchangers (BHEs) are one of the main apparatuses [5]. BHEs include the shallow borehole heat exchanger (SBHE) for cooling/heating (50–200 m) and deep borehole heat exchanger (DBHE) for heating[6].
A systematic review on optimal analysis of horizontal heat exchangers in ground source heat …
In their proposed model, the heat exchange rate was calculated by numerical simulation, which covered ground heat transfer model, surface heat model and ground heat exchanger model. Selamat et al. [ 25 ] examined optimization methodologies of horizontal GHEs by employing different structures and piping materials.
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 …
Yiqiang JIANG | Harbin Institute of Technology, Harbin | HIT | Department of Building Thermal Energy …
Plate-fin heat exchanger with rectangular minichannels, as a type of high-performance compact heat exchangers, has been widely used in liquefied natural gas field.
How pressure affects costs of power conversion machinery in compressed air energy storage; part II: Heat exchangers …
HX: Heat exchanger • CAES: Compressed Air Energy Storage • Explores CAES storage pressure impact on capital costs of HXs. • explores engineering rational behind effects of operating pressure on cost of HX. • Operating Pressure affects heat transfer, and tubes
Research on the heat storage characteristic of deep borehole heat exchangers …
DOI: 10.1016/j.energy.2023.128938 Corpus ID: 261385729 Research on the heat storage characteristic of deep borehole heat exchangers under intermittent operation mode: Simulation analysis and comparative study To realize the goal of net zero energy building ...
Wenju Hu, Mengjie Song, Yiqiang Jiang, Yang Yao, Yan Gao, A modeling study on the heat storage and release characteristics of a phase change material based double-spiral …
[PDF] Effect of inner-tube spacing on charging and discharging performance of latent energy storage heat exchangers …
DOI: 10.1016/j.applthermaleng.2022.119112 Corpus ID: 251356466 Effect of inner-tube spacing on charging and discharging performance of latent energy storage heat exchangers The state-of-the-art review of phase change …
(PDF) Cryogenic Heat Exchangers for Process …
This technology allows for. large-scale long-duration storage of renewable energy in the power grid. One major advantage over alternative. storage techniques is the possibility of efficient ...
Numerical investigation of a plate heat exchanger thermal energy storage …
DOI: 10.1016/j.est.2023.106785 Corpus ID: 256749600 Numerical investigation of a plate heat exchanger thermal energy storage system with phase change material @article{Taghavi2023NumericalIO, title={Numerical investigation of a …
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 …
Experimental study on the parallel-flow heat pipe heat exchanger for energy …
Develop a novel heat pipe heat exchanger for air conditioning energy saving. • Experimentally test the heat transfer performance of the heat pipe heat exchanger. • The minimum thermal resistance of the novel heat pipe heat exchanger is 0.06 K/W. • The heat
Review on thermal performance of heat exchanger using phase change material
This article reports detailed investigation of using different Phase Change Materials (PCM) in various designs of Thermal Energy Storage (TES) Devices: specifically, heat exchanger. The focus is on the performance analysis of different types of heat exchangers acting as TES having various PCMs which are substantially reviewed in this …
Binfan JIANG | Professor (Associate) | Ph.D | University of Science and Technology Beijing, Beijing | USTB | School of Energy …
Energy Storage Thermal Sciences Additional affiliations September 2015 - May 2017 University of Science and Technology Beijing School of Energy and Environmental Engineering ...
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 …
An experimental study on energy-storage based defrosting performance of an air source heat pump system with a micro-channel heat exchanger …
DOI: 10.1016/j.applthermaleng.2023.122067 Corpus ID: 265299285 An experimental study on energy-storage based defrosting performance of an air source heat pump system with a micro-channel heat exchanger as …
Operating performance of novel reverse-cycle defrosting method based on thermal energy storage for air source heat …
To solve the fundamental problem of insufficient heat available during defrosting while ensuring the efficient and safe system operation for air-source heat pumps (ASHPs). A novel reverse-cycle defrosting (NRCD) method based on thermal energy storage to eliminate frost off the outdoor coil surface was developed. Comparative …
Experimental and computational study of melting phase-change material for energy storage in shell and tube heat exchanger …
To check the effective heat transfer characteristics between the PCM and heat transfer fluid, thermal analysis was carried out using ANSYS fluent in the workbench. 3D shell and tube heat exchangers have been created using CATIA software (Fig. 3) and boundary conditions were specified in ANSYS fluent workbench. ...
Applications and technological challenges for heat recovery, storage and utilisation with latent thermal energy storage …
Enhancement methods of thermal conductivity for medium-high temperature PCMs. • Design and optimisation strategies for LTES heat exchangers. • LTES energy systems for heat recovery, storage and utilisation. …
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 …
Simulation and optimization of square fin concentric tube heat …
The paper proposed to add square fins to the phase change material side of the shell-and-tube heat storage exchanger to enhance the heat storage rate. The …
A review of thermal energy storage in compressed air energy …
Compressed air energy storage (CAES) is a large-scale physical energy storage method, which can solve the difficulties of grid connection of unstable renewable …
Standardised methods for the determination of key performance indicators for thermal energy storage heat exchangers …
Latent thermal energy storage (LTES) heat exchangers can provide energy storage in a broad range of energy systems. ... Jiang et al. [43] reviewed the combination of porous materials and inorganic salts above 200 C and Feng et al. [44] and Zhang et al. [45 46 ...
Effect of thermal storage and heat exchanger on compressed air energy storage …
Obviously, the second way using heat storage and heat exchanger (HSHE) technology is a future development trend for it achieves high system efficiency. In addition, the efficiency of a kind of new CAES technology, …
Reduced-order modeling method for phase-change thermal energy storage heat exchangers …
To speed up the design process of thermal energy storage devices, it is critical to develop fast and accurate modeling methods for phase change material embedded heat exchangers (PCM HXs). This study developed and compared two approximation-assisted reduced-order PCM HX models for the simulation of thermal storage …
