Phase change heat storage is also called latent heat storage (LHS). The basic principle is to achieve the purpose of heat storage and release by absorbing or releasing latent heat during the phase change of PCMs. LHS has

Compared with water tank sensible heat storage, phase change energy storage technology is used to store heat in the form of latent heat. It stores energy in

Loop heat pipe (LHP) encased in phase change material (PCM) incorporated annular to catalytic converter (CC) is proposed to augment the

Phase change material/heat pipe and Copper foam-based heat sinks for thermal management of electronic systems J Energy Storage, 32 ( 2020 ), Article 101971 View PDF View article View in Scopus Google Scholar

The heat transfer performance of a closed-loop pulsating heat pipe (CLPHP) having 2.2 mm inner diameter is experimentally studied at different filling ratios (40%, 50%, 60% and 70

The system is designed to recover and store waste thermal energy from residual fluids using heat pipes for recovery and an environmentally friendly phase change material for heat storage.

The two-pipe PCM heat storage system with internal vortex generator and external fins studied. • The charge and discharge processes investigated numerically. • Melting begins at the tube surface close to HTF and progresses outwards vertically.The fins in the PCM accelerate the melting process up to 100 min.

For the casing pipe PCM heat storage floor radiant heating terminal, as shown in Fig. 1, the heat transfer is mainly caused by the turbulent heat transfer of the hot water flowing in water coil, the heat transfer between the hot water and the water coil, the heat transfer between water coil and PCMs, the heat transfer between PCMs and the

Therefore, given the energy storage time of PCPs using tunnel lining GHEs for cool storage, Shape 5 PCP pipe configuration is recommended to obtain a higher heat transfer efficiency when the PCP pipe length is

Phase change materials (PCMs) having a large latent heat during solid-liquid phase transition are promising for thermal energy storage applications. However, the relatively low thermal conductivity of the majority of promising PCMs (<10 W/ (m ⋅ K)) limits the power density and overall storage efficiency. Developing pure or composite PCMs

Phase change material (PCM)-based thermal energy storage significantly affects emerging applications, with recent advancements in enhancing heat capacity and cooling power. This perspective by Yang et al.

In contrast to sensible heat thermal energy storage, latent heat thermal storage materials undergo a change of phase during both the charging and discharging of the storage system. Solid-liquid phase change materials (PCMs) have been found to be more efficient than liquid-vapour and solid-solid ones [5] .

Based on the literature reviewed, it is found that the phase change time of phase change materials in the heat exchangers can be reduced by changing the geometrical

Capric acid is considered as the phase change substance in a circular-shape thermal energy storage unit with a two-pass heat pipe. A combination of Copper foam and Cu/GO nano-additives is analyzed

Using renewable energy, especially solar energy, is essential to achieve a low-carbon society. PCMs suffer from low thermal conductivity, which hinders the efficiency of phase change thermal storage systems. Heat pipes exhibit vastly superior thermal conductivity

Their remarkable phase change properties, high-energy storage density, and isothermal heat storage and retrieval properties make them suitable candidates in a variety of applications.

Usage of phase change materials'' (PCMs) latent heat has been investigated as a promising method for thermal energy storage applications. However, one of the most common disadvantages of using

Discharging process of a finned heat pipe–assisted thermal energy storage system with high temperature phase change material Energy Convers Manage, 118 ( 2016 ), pp. 426 - 437 View PDF View article View in Scopus Google Scholar

Heat pipes have been expansively used in various energy storage systems due to their suitability in the role of heat delivery and passive operation [28]. As a member of the heat pipe family, Oscillating heat pipe (OHP) invented by Akachi in the middle of 1990s has great potential in cooling and thermal management of high power

This study explores the utilization of flat micro-heat pipes in phase change heat storage and release technologies. A test platform is designed and constructed to

The use of flat heat pipe-phase change material (HP-PCM) for cooling PV under hot and cold climate conditions and then latent heat dominates the energy storage. Sensible energy increase because the melted-liquid PCM is

Heat pipe-assisted melting of a phase change material Int J Heat Mass Tran, 55 (13–14) (2012), pp. 3458-3469 An effectiveness-NTU technique for characterising tube-in-tank phase change thermal energy storage systems Appl Energy, 91 (2012), pp. 309-319

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.

Phase change material (PCM)-based thermal energy storage significantly affects emerging applications, with recent advancements in enhancing heat capacity and cooling power. This perspective by Yang et al. discusses PCM thermal energy storage progress, outlines research challenges and new opportunities, and proposes a roadmap for the research

To meet fully passive and highly reliable requirements, a novel thermal storage heat pipe (TSHP) charged with phase change material (PCM) is designed. Paraffin RT70HC and graphene nanoplatelet (GNP) are used as energy storage material and heat transfer enhancer, respectively.

The present numerical and experimental study focused on the faster heat storage rate for storing heat energy from solar collectors and its applications during off

Conclusions. A novel phase change thermal storage device based on micro heat pipe array with a more rational heat transfer structure was proposed in this study. 3D numerical models of the relative positions of different MHPAs to the heat transfer fluid channels were developed, and a comparative study was carried out.

Abstract Heat pipes and thermosyphons—devices of high effective thermal conductivity—have been studied for many years for enhancing the performance of solid, liquid and phase change material (PCM) heat stores. However, as the applications of heat storage

A two-dimensional numerical model is developed to simulate the transient response of a heat pipe-assisted latent heat thermal energy storage (LHTES) unit integrated with dish-Stirling solar power generation systems. The unit consists of a container which houses a phase change material (PCM) and two sets of interlaced input and

Phase change materials (PCMs) are widely used in heat exchangers because of their advantages of high energy storage density and constant temperature heat storage and release. In this study, the application of palmitic acid as PCM in double spiral tube heat exchanger was discussed and its heat transfer characteristics were analyzed.