Science news articles about 'thermal conductivity'

  • Graphene Has High Current Capacity, Thermal Conductivity

    ... carrying capacity approximately a thousand times greater than copper -- while providing improved thermal conductivity ...
  • New method for enhancing thermal conductivity could cool computer chips, lasers and other devices

    ... these interfaces without being scattered, which significantly enhances the thermal conductivity," said Li. In addition, the researchers found that they could control ... them together and let them dry, the thermal conductivity was the same as that of a single nanoribbon. However ...
  • Cool! Nanoparticle research points to energy savings

    ... account for nanoparticle-enabled improvements in heat-transfer performance. For one, nanoparticles of materials with high thermal conductivity improve heat transfer rates ...
  • Material may help autos turn heat into electricity

    ... for making a good thermoelectric material is to lower its thermal conductivity. In Heremans' lab, he used to work to lower the thermal conductivity by building nanometer-sized structures such as nanowires into materials. A nanometer is one billionth ...
  • 'Small' research at MSU leads to advances in energy, electronics

    ... and morphological attributes. The nanoscale material, which is electrically and thermally conductive, has reduced flammability and barrier properties ... for lithium ion batteries and could be used to make transparent conductive coatings for solar cells and displays. Can make ...
  • Introducing the next generation of chemical reactors

    ... . These changes could in turn alter transport properties such as thermal conductivity and viscosity, and catalyst activity – and hence regulate the reactions. Professor Ding also believes that these systems ...
  • Looking for water on Mars

    ... of instruments aboard the Lander--with one exception. The thermal and electrical conductivity probe designed by a team of research ... arm and makes direct contact with the regolith. It measures thermal conductivity, thermal diffusivity, electrical ...
  • Baked slug: New method to test fireproofing material

    ... and structural changes. Traditional methods for measuring thermal conductivity at high temperatures have not been adequate. They have relied ... developed a “slug calorimeter” technique for obtaining the thermal conductivity information at elevated temperatures. In this technique ...
  • A new material could act as a nanofridge for microchips

    ... properties to take into account when designing chips is the thermal conductivity of the devices integrated in the chip, i ... result of the uncorrelation between consecutive layers is the reduction in thermal conductivity, since it becomes more difficult to transport ...
  • Promising new material that could improve gas mileage

    ... performance of existing materials. They were able to lower the thermal conductivity without changing its electrical properties ... of nanodots -- to lead-telluride to see if they could lower the thermal conductivity even more. They were surprised when they saw the results ...
  • Seismic response to natural gas anomalies in crystalline rocks

    ... physical parameters of the cores include porosity, water-permeability, elastic wave velocity, conductivity, and thermal conductivity etc. For the interval with gas anomalies ...
  • Plastic as a conductor

    ... , but insulates electric current. Metal is resilient and conducts electricity, but it is also expensive and heavy. Up to now, it has not been possible ... stability and low weight, coupled with the electrical and thermal conductivity of metals. As it will no longer be necessary ...
  • Technique measures heat transport in the Earth's crust

    ... , mainly because of difficulties associated with measuring thermal conductivity, or how much heat is flowing through ... that compose the crust. In conventional methods of measuring thermal conductivity, measurement errors arise as the temperature ...
  • Engineers develop method to disperse chemically modified graphene in organic solvents

    ... stiffness and strength, high and tunable electrical and thermal conductivity, and the fact that chemists can alter its chemistry ... them stronger, stiffer and improve thermal and electrical conductivity. "A part of our research group has avidly ...
  • Measuring the immeasurable: New study links heat transfer, bond strength of materials

    ... of the study, titled "How wetting and adhesion affect thermal conductance of a range of hydrophobic to hydrophilic aqueous ... a broad range of surface chemistries and showed that thermal conductance, or how fast heat is transferred between a liquid ...

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