Searched for: subject:"conductivity"
(1 - 12 of 12)
document
Berardi, Umberto (author), Tronchin, Lamberto (author), Manfren, Massimiliano (author), Nastasi, B. (author)
Stationary and dynamic heat and mass transfer analyses of building components are an essential part of energy efficient design of new and retrofitted buildings. Generally, a single constant thermal conductivity value is assumed for each material layer in construction components. However, the variability of thermal conductivity may depend on many...
journal article 2018
document
Li, Bin (author), Jiang, Peng (author), Zhai, Famin (author), Chen, Junhong (author), Bei, G. (author), Hou, Xinmei (author), Chou, Kuo Chih (author)
-SiC phase leads to the shrinkage of the SiC lattice due to the substitution of Si atoms (0.134 nm radius) by smaller B atoms (0.095 nm radius). The presence of B in the SiC...
journal article 2018
document
Marx, Philipp (author), Wanner, Andrea (author), Zhang, Zucong (author), Jin, H. (author), Tsekmes, I.A. (author), Smit, J.J. (author), Kern, Wolfgang (author), Wiesbrock, Frank (author)
Five types of nanofillers, namely, silica, surface-silylated silica, alumina, surface-silylated alumina, and boron nitride, were tested in this study. Nanocomposites composed of an epoxy/amine resin and one of the five types of nanoparticles were tested as dielectrics with a focus on (i) the surface functionalization of the nanoparticles and (ii...
contribution to periodical 2017
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Cai, Z. (author), van Veldhoven, Robert (author), Falepin, A (author), Suy, Hilco (author), Sterckx, E (author), Bitterlich, C. (author), Makinwa, K.A.A. (author), Pertijs, M.A.P. (author)
This paper reports a readout circuit for a resistive CO2 sensor, which operates by measuring the CO2-dependent thermal conductivity of air. A suspended hot-wire transducer, which acts both as a resistive heater and temperature sensor, exhibits a CO2-dependent heat loss to the surrounding air, allowing CO2 concentration to be derived from its...
journal article 2016
document
Tsekmes, I.A. (author)
The addition of microsized fillers to polymers, in order to tailor their properties, has been extensively used in many industrial applications since the 1960s. The same approach applies to the field of electrical insulation. Epoxy resin is a widely used polymer in the electrical power sector, but it is usually loaded with microsized fillers,...
doctoral thesis 2016
document
Jin, H. (author)
In many applications of high voltage engineering, electrical and thermal stresses increase due to an ongoing decrease of product dimensions. In particular, the electrical industry is interested in applying nanofluids in transformers to be able to decrease transformer size and weight. The requirement for nanofluids is to enhance the electrical...
doctoral thesis 2015
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Vollebregt, S. (author), Banerjee, S. (author), Beenakker, K. (author), Ishihara, R. (author)
The thermal conductivity of as-grown vertical multi-walled carbon nanotubes (CNT) bundles fabricated at low temperature (500?°C) was measured using a vertical 3?-method. For this, CNT were selectively grown inside an oxide opening and sandwiched between two metal electrodes. The validity of the method was confirmed by both measurements as...
journal article 2013
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Böhler, R. (author), Welland, M.J. (author), De Bruycker, F. (author), Boboridis, K. (author), Janssen, A. (author), Eloirdi, R. (author), Konings, R.J.M. (author), Manara, D. (author)
This work revisits the melting behaviour of neptunium dioxide, an actinide compound which can be produced in the nuclear fuel during operation, and which has an important impact on the nuclear fuel and waste radioactivity especially on the very long term. The present experimental approach employs remote laser heating under controlled atmosphere...
journal article 2012
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Kochetov, R. (author)
The research described in this thesis is part of a state-funded IOP-EMVT project in cooperation with industrial companies, aiming at the design, assessment and implementation of new, environmental friendly (e.g. oil and SF6 - free) solid dielectric materials. A large disadvantage of solid polymer dielectrics is their relatively low thermal...
doctoral thesis 2012
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Su, J.F. (author), Wang, X.Y (author), Huang, Z. (author), Zhao, Y.H. (author), Yuan, X.Y. (author)
Microencapsulated phase change materials (microPCMs) have been widely applied in solid matrix as thermal-storage or temperature-controlling functional composites. The thermal conductivity of these microPCMs/matrix composites is an important property need to be considered. In this study, a series of microPCMs have been fabricated using the in...
journal article 2011
document
Johannessen, E. (author), Gross, J. (author), Bedeaux, D. (author)
A vapor-liquid interface introduces resistivities for mass and heat transfer. These resistivities have recently been determined from molecular simulations, as well as theoretically using the van der Waals square gradient model. This model, however, does not allow for direct quantitative comparison to experiment or results from molecular...
journal article 2008
document
Deachapunya, S. (author), Stefanov, A. (author), Berninger, M. (author), Ulbricht, H. (author), Reiger, E. (author), Doltsinis, N.L. (author), Arndt, M. (author)
The authors present new measurements of thermal and electrical properties for two porphyrin derivatives. They determine their sublimation enthalpy from the temperature dependence of the effusive beam intensity. The authors study H2TPP and Fe(TPP)Cl in matter-wave interferometry. Both molecules have nearly equal de Broglie wavelengths but...
journal article 2007
Searched for: subject:"conductivity"
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