Results 21 to 30 of about 14,191,855 (253)

Smart Firefighters PPE: Impact of Phase Change Materials

open access: yesApplied Sciences, 2023
Considering the high level of heat and flame exposure firefighters encounter while performing their work activities, personal protective equipment (PPE) is of the utmost importance to enhance their safety.
Gilda Santos   +9 more
doaj   +1 more source

Spin Glass Behavior in Amorphous Cr2Ge2Te6 Phase‐Change Alloy

open access: yesAdvanced Science, 2023
The layered crystal structure of Cr2Ge2Te6 shows ferromagnetic ordering at the two‐dimensional limit, which holds promise for spintronic applications.
Xiaozhe Wang   +10 more
doaj   +1 more source

Broadband tunable absorption based on phase change materials

open access: yesResults in Physics, 2021
Tunable absorbers have been the subject of many studies in recent years. However, broadband tunable absorbers, which are promising in many applications such as photovoltaic and daytime radiative cooling systems, have not been extensively explored.
Biyuan Wu, Mingjun Wang, Xiaohu Wu
doaj   +1 more source

Transitional Phenomena on Phase Change Materials

open access: yesEPJ Web of Conferences, 2014
One of the most significant problem with technology development is transferring of large heat fluxes, which requires constant heat transfer temperature (in the specified temperature range).
Wójcik Tadeusz M.   +3 more
doaj   +1 more source

Phase Change Material Used for Masonry Joints: Numerical Simulation and Scale Test

open access: yesProceedings, 2019
In order to effectively improve the thermal performance of the thermal insulation masonry wall, the thermal bridge effect of the grey joint on the heat transfer of the wall structure was studied.
Wei Jiang, Dan Liu, Yong Yuan
doaj   +1 more source

A numerical investigation of heat transfer in phase change materials (PCMs) embedded in porous metals [PDF]

open access: yes, 2011
The effects of metal foams on heat transfer enhancement in Phase Change Materials (PCMs) are investigated. The numerical investigation is based on the two-equation non-equilibrium heat transfer model, in which the coupled heat conduction and natural ...
Zhao, Changying   +5 more
core   +1 more source

Mechanical characterization at nanometric scale for heterogeneous graphite-salt phase change materials with a statistical approach [PDF]

open access: yes, 2012
Instrumented indentation technique; Statistical method; Heterogeneous materials; Hardness; Young's modulus; Phase change materialsA statistical indentation analysis of a series of phase change graphite–salt composite materials ...
Palomo, Elena   +13 more
core   +1 more source

Polariton nanophotonics using phase-change materials

open access: yesNature Communications, 2019
Here, the authors experimentally demonstrate a platform for tunable polariton refractive and meta-optics based on hexagonal boron nitride and phase change Ge3Sb2Te6.
Kundan Chaudhary   +16 more
doaj   +1 more source

Advances in phase change building materials: An overview

open access: yesNanotechnology Reviews, 2023
Efficient and sustainable thermal management of buildings is critical since the building sector is considered as the largest energy contributor contributing around 40% of the total energy consumption which is responsible for about 38% of greenhouse gas ...
Sivanathan Amende   +3 more
doaj   +1 more source

Heat transfer enhancement for thermal energy storage using metal foams embedded within phase change materials (PCMs) [PDF]

open access: yes, 2010
In this paper the experimental investigation on the solid/liquid phase change (melting and solidification) processes have been carried out. Paraffin wax RT58 is used as phase change material (PCM), in which metal foams are embedded to enhance the heat ...
Zhao, Changying   +5 more
core   +1 more source

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