New Energy Storage Heat Bundle Tube
The main aim of this study is to numerically investigate the thermal performance of a newly designed modifying tube-bundle Latent Heat Thermal Storage (LHTS). The new LHTS design proposed a half-cylindrical tube attached to the Heat Transfer Fluid tube, which implies making the PCM indirect contact with the HTF tube.
- All
- Energy Cabinet
- Communication site
- Outdoor site
Numerical investigation on the heat transfer enhancement of a …
The main aim of this study is to numerically investigate the thermal performance of a newly designed modifying tube-bundle Latent Heat Thermal Storage (LHTS). The new LHTS design proposed a half-cylindrical tube attached to the Heat Transfer Fluid tube, which implies making the PCM indirect contact with the HTF tube.
Energies | Free Full-Text | Impact of Tube Bundle Placement on the Thermal Charging of a Latent Heat Storage …
The melting process of a multi-tube''s thermal energy storage system in the existence of free convection effects is a non-linear and important problem. The placement of heated tubes could change the convective thermal circulation. In the present study, the impact of the position of seven heat exchanger tubes was systematically …
Investigation of Thermal Performance of Heat Exchangers of …
Passive performance improvement of heat exchangers is cost-effective and crucial for energy efficiency as well as sustainability of thermal systems. In this paper, an investigation is presented on a compact configuration of heat exchanger composed of a bundle of inclined elliptical tubes. The effect of geometrical parameters on the thermal …
Shell-and-tube type latent heat thermal energy storage: numerical ...
The interest of researchers around the world in latent heat thermal energy storage (LHTES) is unbowed for more than 25 years . For the analysis and the …
Energy storage characteristics and size optimization of …
In this paper, the physical model of the Ca(OH) 2 /CaO reactor with the embedded heating tube bundle as shown in Fig. 1 was established. The radius R of the reactor was 100 mm, the height H was 350 mm, and the radius r of the heating tube was 7 mm. Too small the size of the heating tube will affect the flow of the heating fluid and the …
Multi-objective optimization of a phase change material-based shell-and-tube heat exchanger for cold thermal energy storage…
The present thermal storage tank differs from a conventional shell-and-tube heat exchanger for the absence of plate baffles. The primary fluid – cold water supplied at 1.5 bar by the chiller – enters the exchanger through a 19.05 mm diameter tube, externally threaded ...
Heat transfer correlation between Molten Salts and helical-coil tube ...
A new heat transfer correlation for MS appropriate for helical-coil tube bundles with OPTS SG''s configuration is proposed. The correlations found in the literature are not useful because, either they are not suitable for MS or the SG design is different enough to influence the corresponding heat transfer coefficients.
VIBRATION AND HEAT TRANSFER ENHANCEMENT …
Zhao et al. (2021a) employed a fluid structure interaction model and a 2D unit model to investigate the vibration and heat transfer of a double-helix tube bundle in the sensible heat storage ...
Effect of Tube Bundle Arrangement on the Performance of PCM Heat ...
The results of a comprehensive study on the charging and discharging of latent heat storage systems (LHSS) are presented. Multi-tube shell-and-tube units with variable layouts of tube bundles are examined. Two tube arrangements—in-line and staggered—are tested. A variable number of tubes and different tube positions in a …
Configurational explorations and optimizations of a phase change ...
In this paper, the latent heat thermal energy storage (LHTES) with the multiple serpentine tubes as the bundle is explored in detail by using the self-developed …
Experimental study on local heat transfer and hydrodynamics with …
Semantic Scholar extracted view of "Experimental study on local heat transfer and hydrodynamics with single tube and tube bundles in an external heat exchanger" by R. Cai et al. ... Energy storage is essential in the modern age because fossil energy sources are running out, so there are a variety of ways to store energy, such as …
Twisted Tube™ Heat Exchanger Technology
See what a difference TWISTED TUBE® Heat Exchanger Technology can make in your operations. Through ongoing research, TWISTED TUBE® heat exchangers can be more efficient, reliable, and trouble-free when compared to conventional shell and tube heat exchangers. Our innovative design eliminates baffles and damaging tube vibration.
Prediction of the main characteristics of the shell and tube bundle latent heat thermal energy storage …
Request PDF | Prediction of the main characteristics of the shell and tube bundle latent heat thermal energy storage unit using a shell and single-tube unit | Numerical analysis is an effective ...
Energies | Free Full-Text | Effect of Tube Bundle Arrangement on the Performance of PCM Heat Storage …
The results of a comprehensive study on the charging and discharging of latent heat storage systems (LHSS) are presented. Multi-tube shell-and-tube units with variable layouts of tube bundles are examined. Two tube arrangements—in-line and staggered—are tested. A variable number of tubes and different tube positions in a …
A feasibility study of a tube bundle exchanger with phase change ...
The PCM storage unit was designed as a cylindrical tube bundle heat exchanger, in which the phase change material fills the shell side, while the heat transfer fluid flows inside the longitudinal finned tubes. ... of each pitch value. It is interesting to note the first instants (0–30 s) of the discharging process, where the new fluid starts ...
Effect of Tube Bundle Arrangement on the …
The results of a comprehensive study on the charging and discharging of latent heat storage systems (LHSS) are presented. Multi-tube shell-and-tube units with variable layouts of tube bundles are …
Energies | Free Full-Text | Impact of Tube Bundle Placement on …
The melting process of a multi-tube''s thermal energy storage system in the existence of free convection effects is a non-linear and important problem. The placement of heated tubes could change the convective thermal circulation. In the present study, the impact of the position of seven heat exchanger tubes was systematically …
Research on Optimization of Tube Structure of Phase Change …
In view of the low heat transfer efficiency of the phase-change heat storage device and the inability to quickly respond to temperature changes, the fluid tube …
Melting enhancement of PCM in a finned tube latent heat thermal energy storage …
in a nned tube latent heat thermal energy storage Sameh Ahmed1,2,9, Aissa Abderrahmane3, Abdulka Mohammed ... new combination of modications uses this new combination of modications Khdair et al ...
Prediction of the main characteristics of the shell and tube bundle ...
DOI: 10.1016/j.apenergy.2022.119633 Corpus ID: 250569217; Prediction of the main characteristics of the shell and tube bundle latent heat thermal energy storage unit using a shell and single-tube unit
Development and Performance Assessment of a Moving Bed Heat …
Details on the tube bundle geometry of all test devices are compiled in table 2. T. Baumann and S. Zunft / Energy Procedia 69 ( 2015 ) 748 â€" 757 753 3.2. Results An exemplary particle velocity field from the PIV analysis of sintered bauxite flowing around the adapted tube bundle is shown in fig. 5.
Numerical modelling of tube bundle thermal energy storage for …
The main aim of this study is to numerically investigate the thermal performance of a newly designed modifying tube-bundle Latent Heat Thermal Storage (LHTS). The new LHTS design proposed a half-cylindrical tube attached to the Heat Transfer Fluid tube, which implies making the PCM indirect contact with the HTF tube. …
Prediction of the main characteristics of the shell and tube bundle ...
The main aim of this study is to numerically investigate the thermal performance of a newly designed modifying tube-bundle Latent Heat Thermal Storage …
Energy Storage Characteristics and Size Optimization of …
DOI: 10.1016/j.applthermaleng.2022.119861 Corpus ID: 254669211; Energy Storage Characteristics and Size Optimization of Ca(OH)2/CaO Reactor With the Embedded Heating Tube Bundle @article{Liu2022EnergySC, title={Energy Storage Characteristics and Size Optimization of Ca(OH)2/CaO Reactor With the Embedded …
Random Excitation Forces in Heat Exchanger Tube Bundles
Random excitation forces can cause low-amplitude tube motion that will result in long-term fretting-wear or fatigue. To prevent these tube failures in heat exchangers, designers and troubleshooters must have guidelines that incorporate random or turbulent fluid forces. Experiments designed to measure fluid forces were conducted at …
Shell-and-Tube Latent Heat Thermal Energy Storage (ST-LHTES)
(b) Multi-tube in shell (single pass): In this type of arrangement, a single shell incorporates multiple tubes with all the tubes having their axis parallel to each other as well as parallel to the axis of the shell gure 13.7a consists of a cylindrical block of PCM with HTF flowing through a set of parallel tubes traversing the block. A single module is shown …
Numerical study of thermal performance of a PCM in a modifying tube ...
The latent heat thermal storage was designed as a tube bundle heat exchanger, and it incorporates commercial-grade paraffin as the phase change material (PCM). The study investigated the impact of design changes on the latent heat thermal storage performance. ... highlighting the advantages of this new design for thermal …
A feasibility study of a tube bundle exchanger with phase change ...
Numerical study of thermal performance of a PCM in a modifying tube-bundle latent heat thermal storage. Hameed B. Mahood Mustafa S. Mahdi +5 authors Yosr Allouche. Engineering, Materials Science ... (PCM) based thermal energy storage (TES) is an important solution to the waste of heat and intermittency of new energy sources. …
(a) Conceptual design of the tube bundle heat storage reactor. (b) Tube ...
The most significant part of this heat storage test rig was the heat storage reactor, which was mainly made up of 13-tube bundle reactor (Figure 6 a). Figure 6 b shows the tube bundle reactor ...
Thermo
An increase of average reduced heat transfer of the bundle by 18.4% at Rе = 1·10 4 and by 27.7% at Rе = 2·10 4 with an increase of bundle resistance by 12 and 17%, respectively (in comparison with the standard bundle of smooth-fin tubes), i.e., an increase of convective heat transfer is higher than that of the resistance.
Frame Structure Design of 40-Foot High Pressure and
Download Citation | Frame Structure Design of 40-Foot High Pressure and Large Capacity Hydrogen Storage Tube Bundle Container for Road Transportation | As a kind of clean energy with good prospect ...
Flow stability and distribution in horizontal serpentine tube …
Thermal energy storage (TES) enables renewable energy sources to compete with fossil fuels for base-load capacity. Sensible heat excels at large storage …