Rate capability and Ragone plots for phase change thermal energy storage. Nat. Energy, 6 (2021), pp. 295-302. Crossref View in Scopus Google Scholar. 66. Experimental study of small-scale solar wall integrating phase change material. Sol. Energy, 86 (2012), pp. 208-219. View PDF View article View in Scopus Google Scholar. 68.
Semantic Scholar extracted view of "Study of two passive solar systems containing phase change materials for thermal storage" by L. Bourdeau. Semantic Scholar extracted view of "Study of two passive solar systems containing phase change materials for thermal storage" by L. Bourdeau. A traditional Trombe wall is known as a high thermal-mass
[Show full abstract] in solar greenhouse, the constructed method of a three-layer wall with phase-change thermal storage, that is, the inner wall built with the phase change material (PCM
The phase-change temperature of the material is 26 °C, the phase-change enthalpy is 108 J/g, the thermal conductivity is 0.21 W/(mK), and the specific heat capacity of 1.50 J/(gK). The thermal parameters of cement mortar, main wall, EPS insulation board and other materials are shown in Table 4.
The building sector is a significant contributor to global energy consumption, necessitating the development of innovative materials to improve energy efficiency and sustainability. Phase change material (PCM)-enhanced concrete offers a promising solution by enhancing thermal energy storage (TES) and reducing energy demands for heating and
Due to the energy shortage and air pollution caused by heating emissions, solar energy becomes the first choice for clean heating in China. On this basis, a novel solar thermal system coupling with active phase-change material heat storage wall (STS-APHSW) is proposed in this study. And the thermal performance of STS-APHSW is numerically explored by one
A combined solar phase-change thermal-storage heating system is proposed, wherein erythritol is used as the phase-change material (PCM) used to fill the thermal
A dual-channel solar thermal storage wall system with eutectic phase change material is studied. The full-day cooling load in summer and heating load in winter can be both decreased by this novel
The thermal storage wall utilizes a south-facing wall which is covered by one or two sheets of glass or plastic (Figure 1).Thermal storage walls typically use concrete or other massive structural materials to store heat. As with direct gain systems, insulating shutters can be used to cover the glass at night to reduce loss and thence may be opened and closed to restrict air flow during
The present work proposes a modified solar PCM storage wall technology that combines Trombe-wall-like technology and phase change material storage technology, i.e. the dual-channel and thermal-insulation-in-the-middle type
latent heat storage, phase change materials (PCMs), solar wall, thermal storage wall, Trombe wall. 1 | INTRODUCTION. Energy has constantly been the
composite phase change thermal storage wall system [30,31] (Figure1). The wall was built with a phase change material layer on the inner surface, an air channel and a building block
novel solar PCM storage wall technology that combines Trombe-wall-like technology and phase change material storage technology, that is, a dual-channel and thermal-insulation-in-the-middle type solar PCM storage wall (MSPCMW) system [16]. This system has the following four independent functions: passive heating, heat preservation,
Heat accumulation inside the buildings is caused by climate change, urban heat, and frequent electronic components. In the present work, thermal energy storage decorative paint is prepared using nano/microencapsulated phase change material (MPCM). An oil-in-water seeded emulsion method is employed to encapsulate n-nonadecane phase change material
To improve the construction methods of Chinese solar greenhouse wall to enhance the heat storage, we proposed a three-layer wall with phase-change materials, namely, an inner wall layer built with the phase-change materials, an outer insulating layer and a load-bearing wall layer built with heavyweight materials between the two. Based on the field
The thermal storage performance of Ba (OH) 2 ·8H 2 O composite phase change material in an oil-sealed environment was verified. Mathematical models of the major
Request PDF | A novel solar thermal system combining with active phase-change material heat storage wall (STS-APHSW): Dynamic model, validation and thermal performance | Due to the energy shortage
Specifically, this study examined two solar energy utilization methods: one using latent heat storage for passive solar thermal utilization, such as a phase change composite wall (W2), and the other using a combination of solar collectors and phase change materials for active–passive solar thermal utilization, such as an active–passive ventilation wall with latent
This study analyzed the difference of heat storage and release performance between single-stage and cascaded tube-Shell-and-tube phase change thermal storage
A dual-channel solar thermal storage wall system with eutectic phase change material is studied. The full-day cooling load in summer and heating load in winter can be both decreased by this novel
Downloadable (with restrictions)! Aiming at satisfying demands of buildings in hot summer and cold winter regions, this work proposed a dual-channel and thermal-insulation-in-the-middle type solar phase change material storage wall system. The system has four independent functions: passive solar heating, heat preservation, heat insulation, and passive cooling, and it can
2.1 The Active–Passive Phase Change Thermal Storage Wall System. As shown in Fig. 1, an active–passive phase change thermal storage wall system has been developed in this study.This system is composed of 5 CSACs, 6 tanks which were embedded in the north wall and filled by PCM, pipes for linking tanks and CSACs, and a centrifugal fan.
Heat transfer performance on the wall has a great influence on energy conservation and indoor thermal comfort. In this paper, a new type of passive solar energy utilization technology, phase change materials (PCMs) added into passive solar collector-storage wall system was proposed.
Research has shown that the application of phase change materials (PCM) in buildings is considered an effective solution for improving energy efficiency and enhancing the thermal performance of buildings [14], [15].The energy efficiency of PCM buildings is mainly influenced by the climate and building construction.
Effect of phase change thermal storage wall on thermal environment in solar greenhouse May 2012 Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering 28(10):194-201
To effectively increase the internal temperature and heat storage capacity of the north wall of CSG, and improve the indoor thermal environment of CSG, this paper proposed a
Solar thermal storage heating unit: Paraffin melting @ 40–60 °C: Experimental: Thermal performance of a greenhouse with a phase change material north wall. Energy and Buildings, 43 (11) (2011), pp. 3027-3035. View PDF View article View in Scopus Google Scholar. British Petroleum, 2011.
The object of this paper is mainly the phase change storage of the solar thermal utilization in the middle and low temperature state, and the working temperature is generally below 120 °C. A novel solar thermal system combining with active phase-change material heat storage wall (STS-APHSW): Dynamic model, validation and thermal performance.
Currently, there is great interest in producing thermal energy (heat) from renewable sources and storing this energy in a suitable system. The use of a latent heat storage (LHS) system using a phase change material (PCM) is a very efficient storage means (medium) and offers the advantages of high volumetric energy storage capacity and the quasi-isothermal
One of the most investigated and broadly used mediums in the solar thermal storage systems is using phase change materials. In this research, a comprehensive
This paper presents a review of the storage of solar thermal energy with phase-change materials to minimize the gap between thermal energy supply and demand. Various types of systems are used to store solar thermal energy using phase-change materials.
This work is to study a novel solar PCM storage wall technology, that is, a dual-channel and thermal-insulation-in-the-middle type
A dual-channel solar thermal storage wall system with eutectic phase change material is studied. The full-day cooling load in summer and heating load in winter can be both decreased by this novel system. To investigate the airflow in the dual channel, mixed area assumptions based on the experimental results are summarized.
Li et al. proposed a new type of a solar thermal system coupled with an active PCM heat storage wall using a composite of the paraffin wax and perlite, and continuously monitored the indoor temperature to verify the accuracy of the heat transfer model.
One of the most investigated and broadly used mediums in the solar thermal storage systems is using phase change materials. In this research, a comprehensive performance test bench for solar thermal utilization system using a controllable heater to substitute different levels of solar input was established.
The performance of the heat storage system was analyzed, and the effect of different design parameters such as the thermal conductivity of the PCM, the heat transfer fluid flow rate and the diameter of the heat exchange tube on the system performance was studied.
Although the medium and low temperature solar collectors have the advantages of simple structure and low cost, the intermittentness and instability greatly limit its development. Using thermal energy storage systems (TES) to improve solar thermal efficiency is one of the important ways to enhance the utilization of solar energy.
Kumar et al. applied a TES to the solar-assisted heating system in an industrial process. A useful model was developed based on the combination of the solar photovoltaic thermal collectors (PVT) and flat panel solar collectors (FPC), which produced as high as 1420 W power, 75% thermal efficiency and 12.72% exergy efficiency.
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