Sentences with phrase «of phase change material»

Sunamp appears to take this a step further, storing the excess energy in the same kind of phase change material used in those hand warmers you can buy from camping stores.

«We were exploring the relationship between the electrical and optical properties of phase change materials and then had the idea of creating this GST «sandwich» made up of layers just a few nanometres thick.

Modified T - History Method for Measuring Thermophysical Properties of Phase Change Materials at High Temperature

Not exact matches

Among the factors that could cause actual results to differ materially are the following: (1) worldwide economic, political, and capital markets conditions and other factors beyond the Company's control, including natural and other disasters or climate change affecting the operations of the Company or its customers and suppliers; (2) the Company's credit ratings and its cost of capital; (3) competitive conditions and customer preferences; (4) foreign currency exchange rates and fluctuations in those rates; (5) the timing and market acceptance of new product offerings; (6) the availability and cost of purchased components, compounds, raw materials and energy (including oil and natural gas and their derivatives) due to shortages, increased demand or supply interruptions (including those caused by natural and other disasters and other events); (7) the impact of acquisitions, strategic alliances, divestitures, and other unusual events resulting from portfolio management actions and other evolving business strategies, and possible organizational restructuring; (8) generating fewer productivity improvements than estimated; (9) unanticipated problems or delays with the phased implementation of a global enterprise resource planning (ERP) system, or security breaches and other disruptions to the Company's information technology infrastructure; (10) financial market risks that may affect the Company's funding obligations under defined benefit pension and postretirement plans; and (11) legal proceedings, including significant developments that could occur in the legal and regulatory proceedings described in the Company's Annual Report on Form 10 - K for the year ended Dec. 31, 2017, and any subsequent quarterly reports on Form 10 - Q (the «Reports»).

In most cases, a type of graphic called a phase diagram helps researchers predict structural and property changes in a material when it undergoes a phase transition.

Analysis of phase - change materials showed that they work because of a particular kind of chemical bonding, called resonant bonding — a type of bond in which electrons flip back and forth between several adjacent atoms.

Combination of the two methods enabled them to describe the structural changes affecting the material as it entered the liquid phase and then re-solidified.

«This finding could change the way we look at phase transformations within the cathode and the resulting loss of capacity in this class of material,» said Alpesh Khushalchand Shukla, a scientist at Berkeley Lab's Molecular Foundry, and lead author of the study.

A joint research group succeeded in observing the topological phase transition in which a material changes to the topological electronic phase by using soft X-rays, light suitable for determining the topology of materials by their substances rather than by their appearance.

Instead, the new system uses molecular switches that change shape in response to light; when integrated into the PCM, the phase - change temperature of the hybrid material can be adjusted with light, allowing the thermal energy of the phase change to be maintained even well below the melting point of the original material.

This blue LED lamp setup is used to trigger the heat discharge from large - scale films of phase - change materials.

Next, when triggered by another pulse of light, the material resolidifies and gives back the thermal phase - change energy.

PureTemp, a technology developed by Minnesota - based Entropy Solutions, turns vegetable oils into phase change material (PCM) capable of maintaining a specific temperature between minus 40 and 300 degrees for hours.

«We're interested in the radiation damage case in particular, but other applications might include studying low - temperature phase change materials, or real - time monitoring of oxide layer formation on steel alloys,» he said.

«Even if there is a laser faster than a femtosecond laser, there will be a limit as to how fast this transition can occur and information can be recorded, just because of the physics of these phase - change materials,» Vanacore says.

The technique, a new development — different from Zewail's Nobel Prize - winning work in femtochemistry, the visual study of chemical processes occurring at femtosecond scales — allowed researchers to observe directly the transitioning atomic configuration of a prototypical phase - change material, germanium telluride (GeTe), when it is hit by a femtosecond laser pulse.

DVDs and Blu - ray disks contain so - called phase - change materials that morph from one atomic state to another after being struck with pulses of laser light, with data «recorded» in those two atomic states.

Finding ways to speed up the recording process of phase - change materials and understanding the limits to this speed could lead to a new type of memory that harnesses the best of both worlds.

Using ultrafast laser pulses that speed up the data recording process, Caltech researchers adopted a novel technique, ultrafast electron crystallography (UEC), to visualize directly in four dimensions the changing atomic configurations of the materials undergoing the phase changes.

At a certain level of phase change, the material's conductance suddenly jumps, and the device fires like a neuron.

In the new work, IBM's Evangelos Eleftheriou and colleagues demonstrate a potentially simpler system that uses a phase - change material to play the part of a neuron's membrane potential.

In their proof - of - principle experiment, the researchers used germanium antimony telluride (GST)-- the kind of phase - change material found in CDs and DVDs — to make an improved switchable metasurface that can block or transmit particular wavelengths of light at the command of light pulses.

Phase change materials that change their optical properties depending on the arrangement of the atoms allow for the storage of several bits in a single cell.

This is due to so - called phase change materials, novel materials that change their optical properties depending on the arrangement of the atoms: Within shortest periods of time, they can change between crystalline (regular) and amorphous (irregular) states.

That's because materials scientists in China have recently found a way to speed up — by more than a factor of 10 — so - called phase - change random access memory (PCRAM), which can hold onto information even when your computer's power is off.

Why It Matters: One of the most powerful diagnostic and analytical tools in chemistry and materials science, MAS NMR spectroscopy provides high spectral resolution and detailed structural information about a sample on an atomistic or molecular level and allows scientists to follow changes over time regardless of whether the sample is a solid or a liquid or a mixture of solid, liquid, and gas phases.

Using a proprietary blend of encapsulated phase change materials and combining it with new graphite infusion and ventilation provides an exceptionally comfortable and cool memory foam pillow through pillow science.

Varying the thickness of the layers, or the voltage applied to the phase change material, affects what colors each pixel in a display shows.

Chemical engineer Maria Telkes designed a system relying on a phase - changing material, Glauber's Salt or the decahydrate of sodium sulfate.

Yes the phase changing material, can also give up energy in the form of EM radiation, but that radiation escapes without raising the Temperature of the material that is supplying the latent energy.

Study on Characteristics Enhancement of High Temperature Phase Change Materials for Thermal Energy Storage

Do you deny that increasing the mass, by coupling to sub-surface material by conduction, or a (transparent) atmosphere by convection, would reduce the rate of change of temperature, both during the cooling phase, and in the warming phase when the illumination is switched on again?

This type of system can collect and store energy in pressurized steam, molten salt, phase change materials, or purified graphite.

They will discuss the various challenges and successes of this project, including assembly details, window specification, shading, phase change material, radiant cooling, the HVAC system, PHPP modeling, and more.

In fact, one of the things I love about Passive House is that it doesn't rely on high - tech things like phase change materials in the plaster, but instead a lot of insulation, careful detailing and as Elrond notes, «exceptional attention to detail and quality control during construction.»