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Showing 1 to 14 of 14 for “"change materials (PCM)"”.
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Preparation and Characterization of Bio-based PCM Microcapsules for Thermal Energy Storage
Phase change materials (PCM) have gained extensive attention in thermal energy storage applications. During their phase transition, the energy can be stored in or released from PCM. While changing from solid state to liquid state, PCM start to flow. Encapsulation is a widely-used technique to …
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Computational optimization of phase change materials on adsorbed carbon dioxide capture systems
… novel adsorbent structures composited with phase change materials (PCM) optimized in selected design applications. The design applications include internally coated hollow fibers, externally coated annular finned tube, and a storage vessel which are presented in reduced computational form. This …
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Simulative Analyse zum Hystereseverhalten von Phasenwechselmedien in Latentwärmespeichern anhand des thermischen Leistungsverlaufs
Latent heat storages based on phase change materials (PCM) are able to store thermal energy almost isothermally, i.e. in a narrow temperature interval. This enables efficient use of low-exergy heat sources with low temperature levels. By using the solid-liquid phase change for energy storage, …
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Experimental and Numerical Analysis of a Commercial Phase Change Material Melting at Different Inclinations
<p>The study of various phase change materials (PCM), experimentally and numerically, have been completed over the past several years to address their feasibility and potential when used in latent heat thermal energy storage (LHTES) systems for a variety of potential applications. Previous studies …
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Formulation & Thermophysical Analysis of a Beeswax Microemulsion & The Experimental Calculation of its Heat Transfer Coefficient
Experimentation and implementation of Phase Change Materials (PCM) as suitable Thermal Energy Storage (TES) mediums has garnered greater attention in recent decades. PCMs have the ability to not only store Sensible Heat (SH) within a given temperature range, but also store large amounts of Latent …
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Improving the reliability of optical phase change materials-based devices
… of these devices. Chalcogenide optical phase change materials (PCM) (e.g. Ge₂Sb₂Te₅) have gathered sustained interest in the past several years in the photonics community exactly due to their potential for non-volatile control of optical signals. Prior work had showcased the integration of …
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Numerical Investigation of a Phase-Change Material Based Photovoltaic Panel Temperature Regulation System
… The goal of this investigation is to use phase-change materials (PCM) to passively cool PV panels. The PCM is inside an aluminum container attached to the back surface of the PV panel. Four configurations of the container are investigated. The first configuration is a container with bulk PCM …
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Crystal-Amorphous Transformation Via Defect-Templating in Phase-Change Materials
Phase-change materials (PCM) such as GeTe and Ge-Sb-Te alloys are potential candidates for non-volatile memory applications, because they can reversibly and rapidly transform between a crystalline phase and an amorphous phase with medium-range order. Traditionally, crystal-amorphous transformation …
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Performance of phase change cementitious composites with self-heating capacity
… sector being a significant contributor. Phase Change Materials (PCM) are introduced in construction to store heat energy and regulate temperature, reducing the reliance on air conditioners. Concrete is an ideal carrier for PCM, making PCM concrete a promising solution for energy savings and …
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Modelling, design and analysis of innovative thermal energy storage systems using PCM for industrial processes, heat and power generation
… energy storage (TES) systems based on phase change materials (PCM) to be used as a back-up for intermediate temperature applications (up to 250 °C). The work is divided in two part: the first part presents the development of numerical models of the latent heat thermal energy storage (LHTES) …
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Application of Phase Change Materials for Peak Load Shifting Through Price-Based Control Method
This study proposed the application of phase change materials (PCM) in buildings in combination with a price-based control method for peak load-shifting application. A pricebased control method was proposed which would be able to use online real-time electricity price data to use electricity when …
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Investigation of a Novel MPCM-S Based PV/T System
… the usage of microencapsulated phase change slurry (MPCM-S) to replace conventional cooling fluids such as water. The phase change materials (PCMs) are encapsulated in a polymer shell forming microencapsulated phase change materials (MPCM) to prevent leakage of the PCMs as well as …
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Energy recovery at thermodynamic expansion and thermal boosting through convection in flat plate solar thermal systems.
… gases, depletion of ozone layer and climate change. Moreover, the ever rising prices and limited resources of fossil fuels have obstructed the uninterrupted supply of energy. Therefore, there is a dire need to develop renewable energy technologies that can sustain energy supply with …
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Heat Transfer and Flow in Solar Energy and Bioenergy Systems
… for TES system in CSP plant using Phase Change Materials (PCM), a general storage tank volume sizing strategy and an energy storage startup strategy were proposed using the enthalpy-based 1D transient model. Then experimental investigations were conducted to explore a novel thermal …