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- Jansson, Magnus, et al.
(author)
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Efficient Implementation of a Submodel for Composite Materials to be Combined with the FDTD-Algorithm
- 1994
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In: IEEE Transactions on Magnetics. - : IEEE Magnetics Society. - 0018-9464 .- 1941-0069. ; 30:5, s. 3188-3191
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Journal article (peer-reviewed)abstract
- A submodel to be used for thin sheets of semiconducting materials in combination with the finite difference time domain algorithm for solving Maxwell's equations is derived. Emphasis is concentrated on accomplishing an efficient and robust algorithm. Stability properties of the combined model are also investigated
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- Kutcherov, Vladimir, et al.
(author)
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Glass transition in crude oil under pressure detected by the transient hot-wire method
- 1993
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In: International journal of thermophysics. - : Springer Science and Business Media LLC. - 0195-928X .- 1572-9567. ; 14:1, s. 91-100
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Journal article (peer-reviewed)abstract
- The transition to the glassy state has been found in viscous crude oil with the transient hot-wire technique. The thermal conductivity and the specific heat per unit volume of the heavy Usinsk oil have been measured up to 1 GPa in the temperature range 200-400 K. The glass transition temperature was defined as the temperature of halfway change of the specific heat. It has also been found that the higher the pressure, the narrower the glass transition region, i.e., the steeper the specific-heat change in this region. The nature of glass transitions in crude oils is discussed.
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