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Phase Change Materials (PCM) are promising materials for the thermal control of electronic components in space applications. This paper is an experimental study of the thermal properties of some PCM (paraffins and hydrated salts). The investigated properties are the thermal conductivity, the latent heat and the specific heat capacity. The first property was evaluated thanks to the Hot Disk method. The two last properties were evaluated thanks to the T-History method. The T-History experimental setup was designed and assembled in the CRM labs. A part of this work is also dedicated to the modeling of PCM heat storage accumulators. The devices, which include a metallic lattice structure, were modeled in SolidWorks.
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There is increasingly intensive research for energy storage technologies development due to the enhanced energy needs of the contemporary societies. Increased global energy consumption results in the reduction in the availability of traditional energy resources, such as coal, oil and natural gas. Therefore, there is an urgent need for new systems development based on the conversion and storage of sustainable and clean energy. Phase change materials (PCMs) are one of the key components for the development of advanced sustainable solutions in renewable energy and engineering systems. In order to update the field of renewable energy and engineering systems with the use of PCMs, a Special Issue entitled “Phase Change Materials: Design and Applications” is introduced. This book gathers and reviews the collection of ten contributions (nine articles and one review), with authors from Europe, Asia and Americam accepted for publication in the aforementioned Special Issue of Applied Sciences.
Research & information: general --- Physics --- phase change materials --- thermal energy storage --- energy efficiency --- building applications --- construction materials --- phase-change material --- dispersion --- thermal-mechanical stability --- viscosity --- supercooling --- nucleating agent --- cold storage --- battery cooling --- LPMO --- Fourier Transform ac Voltammetry (FTacV) --- cyclic voltammetry --- Direct Electron Transfer (DET) --- lathrate hydrate --- tetrabutylammonium acrylate (TBAAc) --- crystal growth --- ultrasonic vibration --- polyurethane elastomers --- microencapsulated PCMs --- thermal properties --- mechanical properties --- phase change material --- sugar alcohol --- erythritol --- latent heat storage --- thermal stability --- degradation kinetics --- PCM --- mini-channels --- air --- melting --- solidification --- latent heat thermal energy storage --- phase change materials (PCM) --- macro-encapsulation --- rectangular slab --- experimental study --- sodium nitrate --- thermal conductivity --- microencapsulation --- latent heat --- multicriteria decision --- finite element --- automotive --- energy storage --- n/a
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There is increasingly intensive research for energy storage technologies development due to the enhanced energy needs of the contemporary societies. Increased global energy consumption results in the reduction in the availability of traditional energy resources, such as coal, oil and natural gas. Therefore, there is an urgent need for new systems development based on the conversion and storage of sustainable and clean energy. Phase change materials (PCMs) are one of the key components for the development of advanced sustainable solutions in renewable energy and engineering systems. In order to update the field of renewable energy and engineering systems with the use of PCMs, a Special Issue entitled “Phase Change Materials: Design and Applications” is introduced. This book gathers and reviews the collection of ten contributions (nine articles and one review), with authors from Europe, Asia and Americam accepted for publication in the aforementioned Special Issue of Applied Sciences.
phase change materials --- thermal energy storage --- energy efficiency --- building applications --- construction materials --- phase-change material --- dispersion --- thermal-mechanical stability --- viscosity --- supercooling --- nucleating agent --- cold storage --- battery cooling --- LPMO --- Fourier Transform ac Voltammetry (FTacV) --- cyclic voltammetry --- Direct Electron Transfer (DET) --- lathrate hydrate --- tetrabutylammonium acrylate (TBAAc) --- crystal growth --- ultrasonic vibration --- polyurethane elastomers --- microencapsulated PCMs --- thermal properties --- mechanical properties --- phase change material --- sugar alcohol --- erythritol --- latent heat storage --- thermal stability --- degradation kinetics --- PCM --- mini-channels --- air --- melting --- solidification --- latent heat thermal energy storage --- phase change materials (PCM) --- macro-encapsulation --- rectangular slab --- experimental study --- sodium nitrate --- thermal conductivity --- microencapsulation --- latent heat --- multicriteria decision --- finite element --- automotive --- energy storage --- n/a
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There is increasingly intensive research for energy storage technologies development due to the enhanced energy needs of the contemporary societies. Increased global energy consumption results in the reduction in the availability of traditional energy resources, such as coal, oil and natural gas. Therefore, there is an urgent need for new systems development based on the conversion and storage of sustainable and clean energy. Phase change materials (PCMs) are one of the key components for the development of advanced sustainable solutions in renewable energy and engineering systems. In order to update the field of renewable energy and engineering systems with the use of PCMs, a Special Issue entitled “Phase Change Materials: Design and Applications” is introduced. This book gathers and reviews the collection of ten contributions (nine articles and one review), with authors from Europe, Asia and Americam accepted for publication in the aforementioned Special Issue of Applied Sciences.
Research & information: general --- Physics --- phase change materials --- thermal energy storage --- energy efficiency --- building applications --- construction materials --- phase-change material --- dispersion --- thermal-mechanical stability --- viscosity --- supercooling --- nucleating agent --- cold storage --- battery cooling --- LPMO --- Fourier Transform ac Voltammetry (FTacV) --- cyclic voltammetry --- Direct Electron Transfer (DET) --- lathrate hydrate --- tetrabutylammonium acrylate (TBAAc) --- crystal growth --- ultrasonic vibration --- polyurethane elastomers --- microencapsulated PCMs --- thermal properties --- mechanical properties --- phase change material --- sugar alcohol --- erythritol --- latent heat storage --- thermal stability --- degradation kinetics --- PCM --- mini-channels --- air --- melting --- solidification --- latent heat thermal energy storage --- phase change materials (PCM) --- macro-encapsulation --- rectangular slab --- experimental study --- sodium nitrate --- thermal conductivity --- microencapsulation --- latent heat --- multicriteria decision --- finite element --- automotive --- energy storage
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Germanium (Ge) chalcogenides are characterized by unique properties that make these materials interesting for a very wide range of applications from phase change memories to ovonic threshold switches and from photonics to thermoelectric and photovoltaic devices. In many cases, their physical properties can be finely tuned by doping or by changing the amount of Ge, which may therefore play a key role in determining the applications, performance, and even the reliability of these devices. In this book, we include 11 articles, mainly focusing on applications of Ge chalcogenides for non-volatile memories. Most of the papers have been produced with funding received from the European Union’s Horizon 2020 Research and Innovation program under grant agreement n. 824957. In the Special Issue “BeforeHand: Boosting Performance of Phase Change Devices by Hetero- and Nanostructure Material Design”, two contributions are related to the prototypical Ge2Sb2Te5 compound, which is the most studied composition, already integrated in many devices such as optical and electronic memories. Five articles focus on Ge-rich GeSbTe alloys, exploring the electrical and the structural properties, as well as the decomposition paths. Other contributions are focused on the effect of the interfaces and on nanowires.
Technology: general issues --- Chemical engineering --- PCM --- Ge2Sb2Te5 --- sputtering --- flexible substrates --- crystallization --- electrical properties --- phase change materials --- nitrogen --- strain --- kinetics --- amorphous phase --- germanium telluride --- indium alloying --- optical contrast --- Ge-rich alloys --- crystallization temperature --- segregation --- Ge-rich GST alloys --- Raman --- electronic properties --- Ge-rich GST --- pulsed laser deposition --- phase separation --- GGST --- EDX elemental chemical mapping --- embedded memory --- density functional theory --- MOCVD --- VLS --- phase-change memory --- nanowires --- core-shell --- Ge–Sb–Te --- Ge–Sb–Te/Sb2Te3 --- embedded electronic memories --- Density Functional Theory --- high-throughput calculations ---
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Thermal energy storage using phase change materials (PCMs) is a research topic that has attracted much attention in recent decades. This is mainly due to the potential use of PCMs as latent storage media in a large variety of applications. Although many kinds of PCMs are already commercial products, advanced materials with improved properties and new latent storage concepts are required to better meet the specific requirements of different applications. Moreover, the development of common validation procedures for PCMs is an important issue that should be addressed in order to achieve commercial deployment and implementation of these kinds of materials in latent storage systems. The key subjects addressed on the five papers included in this Special Issue are related to methodologies for material selection, PCM validation and assessment procedures, innovative approaches of PCM applications together with simulation and testing of latent storage prototypes.
Technology: general issues --- thermal energy storage (TES) --- phase change material (PCM) --- heating and cooling --- material selection --- selection methodology --- heat transfer --- high power --- latent heat --- energy storage --- heat exchanger --- lithium-ion battery --- thermal management --- phase change material --- temperature --- heat dissipation fins --- capacity --- phase change materials (PCM) --- latent heat storage --- degradation --- thermal cycling stability --- stable supercooling --- latent heat thermal storage --- pcm --- 0D dynamic model --- multi-energy system --- district heating --- thermal network --- n/a
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Thermal energy storage using phase change materials (PCMs) is a research topic that has attracted much attention in recent decades. This is mainly due to the potential use of PCMs as latent storage media in a large variety of applications. Although many kinds of PCMs are already commercial products, advanced materials with improved properties and new latent storage concepts are required to better meet the specific requirements of different applications. Moreover, the development of common validation procedures for PCMs is an important issue that should be addressed in order to achieve commercial deployment and implementation of these kinds of materials in latent storage systems. The key subjects addressed on the five papers included in this Special Issue are related to methodologies for material selection, PCM validation and assessment procedures, innovative approaches of PCM applications together with simulation and testing of latent storage prototypes.
thermal energy storage (TES) --- phase change material (PCM) --- heating and cooling --- material selection --- selection methodology --- heat transfer --- high power --- latent heat --- energy storage --- heat exchanger --- lithium-ion battery --- thermal management --- phase change material --- temperature --- heat dissipation fins --- capacity --- phase change materials (PCM) --- latent heat storage --- degradation --- thermal cycling stability --- stable supercooling --- latent heat thermal storage --- pcm --- 0D dynamic model --- multi-energy system --- district heating --- thermal network --- n/a
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Thermal energy storage using phase change materials (PCMs) is a research topic that has attracted much attention in recent decades. This is mainly due to the potential use of PCMs as latent storage media in a large variety of applications. Although many kinds of PCMs are already commercial products, advanced materials with improved properties and new latent storage concepts are required to better meet the specific requirements of different applications. Moreover, the development of common validation procedures for PCMs is an important issue that should be addressed in order to achieve commercial deployment and implementation of these kinds of materials in latent storage systems. The key subjects addressed on the five papers included in this Special Issue are related to methodologies for material selection, PCM validation and assessment procedures, innovative approaches of PCM applications together with simulation and testing of latent storage prototypes.
Technology: general issues --- thermal energy storage (TES) --- phase change material (PCM) --- heating and cooling --- material selection --- selection methodology --- heat transfer --- high power --- latent heat --- energy storage --- heat exchanger --- lithium-ion battery --- thermal management --- phase change material --- temperature --- heat dissipation fins --- capacity --- phase change materials (PCM) --- latent heat storage --- degradation --- thermal cycling stability --- stable supercooling --- latent heat thermal storage --- pcm --- 0D dynamic model --- multi-energy system --- district heating --- thermal network
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Graphene nanoplatelets (GNPs) have attracted considerable interest due to their exceptional mechanical, electrical, and thermal properties, among others. This book provides a deep review of some aspects related to the characterization of GNPs and their applications as nanoreinforcements for different types of matrices such as polymeric- or cement-based matrices. In this book, the reader will find how these nanoparticles could be used for several industrial applications such as energy production and storage or effective barrier coatings, providing a wide overview of future progress in this topic
concrete --- graphene oxide --- n/a --- water absorption --- photo-thermal conversion performance --- wear --- structural health monitoring --- epoxy composite --- melting --- graphene-polymer nanocomposites --- graphene --- multiblock copolyesters --- base oil --- freeze-thaw cycles --- composite --- nanocomposite --- stretchable electronics --- terahertz time-domain spectroscopy --- grease --- graphene nanoplatelet --- polyethylene glycol --- adsorption --- strain sensor --- flexible electronics --- reinforced bioplastics --- phase change materials --- graphene nanoplatelets --- graphene nanoflakes --- friction --- freezing --- Drude–Smith model for complex conductivity --- graphenene nanoplatelets --- MIL-101(Fe) --- titanium dioxide --- uranium --- graphene nanoplates --- thermal conductivity --- wearable electronics --- Drude-Smith model for complex conductivity
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This reprint aims to address the challenges modern-day buildings face in the context of high energy and resource consumption and climate change. One of the ways to address the issues is holistic design and operation of high-performance buildings in the area of energy efficiency, occupant health, and comfort. All this should be achieved through synergic interconnectedness between parameters such as the indoor–outdoor environment, sustainability, and resilience. Through different chapters, this reprint highlights the key areas, namely, the optimization of building design parameters, the impact of the use of modern-day phase-change materials, the adaptation of occupants and buildings to climate change, the mitigation of urban overheating by cool roofs, and reducing energy demand and CO2 emissions.
Technology: general issues --- History of engineering & technology --- climate change --- bioclimatic design --- passive design --- energy efficiency --- overheating --- building resilience --- robustness --- shape factor --- building --- thermal envelope --- energy demand --- CO2 emissions --- white roofs --- cool roofs --- reflective material --- cost-benefit --- energy savings --- urban heat island --- thermal comfort --- indoor environmental quality --- educational buildings --- energy consumptions --- local discomfort --- building energy retrofitting --- phase change materials --- aerogel render --- heat stress risk --- emission --- lifecycle cost --- peak cooling load --- residential building --- building envelope --- multi-objective genetic algorithm --- TRNSYS --- climate zone --- multi-criteria decision making --- CRITIC --- TOPSIS --- capture devices --- variables --- field surveys --- thermal perceptions --- adaptive actions --- hostel dormitories --- composite climate of India --- reflective materials --- mitigation --- outdoor comfort --- visual comfort --- heat stress --- optimization --- skyscrapers
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