Search Results - "Králík, T"

Effect of boundary conditions in turbulent thermal convection (a) by Urban, P., Králík, T., Macek, M., Hanzelka, P., Věžník, T., Skrbek, L.

“…Abstract We report an experimental study aiming to clarify the role of boundary conditions (BC) in high Rayleigh number turbulent thermal convection of…”
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Ecosystem services and economic competitiveness of perennial energy crops in the modelling of biomass potential – A case study of the Czech Republic by Králík, T., Knápek, J., Vávrová, K., Outrata, D., Romportl, D., Horák, M., Jandera, J.

“…The paper focuses on the design of a methodology that links the modelling of biomass potential from agricultural land using geographic information systems…”
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Policy implications of competition between conventional and energy crops by Knápek, J., Králík, T., Vávrová, K., Valentová, M., Horák, M., Outrata, D.

“…Energy crops grown on agricultural land compete with conventional crops in terms of access to soil. Failure to respect the price of biomass from energy crops…”
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Economic evaluation of Hemp’s (Cannabis sativa) residual biomass for production of direct energy or biochar by Vávrová, K., Solcova, O., Knápek, J., Weger, J., Soukup, K., Humešová, T., Králík, T., Bím, J.

“…•Economic evaluation of the residual hemp biomass for energy or biochar production.•The hemp variety ‘Fedora and CS’ were selected as the best for multipurpose…”
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Complex aspects of climate change impacts on the cultivation of perennial energy crops in the Czech Republic by Vávrová, Kamila, Knápek, Jaroslav, Weger, Jan, Outrata, D., Králík, T.

“…Perennial energy crops, called also second-generation energy crops, can make a significant contribution to the renewable energy balance in Central European,…”
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Material selection for cryogenically cooled toroidal field coils of the COMPASS-U tokamak by Krbec, J., Vondráček, P., Králík, T., Konopík, P., Junek, P., Hromádka, J., Hron, M., Pánek, R.

“…This article presents a basis for the material selection of toroidal field coils of COMPASS-U, a medium size tokamak currently under construction. The main…”
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Impact of pelleting cost on competitiveness of intentionally grown biomass for local space heating: Case example of the Czech Republic by Králík, T, Knápek, J, Dvořáček, L, Vávrová, K

“…Biomass plays a dominant role in the EU RES portfolio, especially in CE countries. Pellets from locally produced biomass can serve as a substitute of coal…”
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Biomass potential — Theory and practice: Case example of the Czech Republic region by Knápek, J., Vávrová, K., Králík, T., Outrata, D.

“…Biomass is considered to be a significant renewable energy source for the next one to two decades. In countries with conditions similar to the Czech Republic,…”
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Modelling of nuclear power plant decommissioning financing by Bemš, J, Knápek, J, Králík, T, Hejhal, M, Kubančák, J, Vašíček, J

“…Costs related to the decommissioning of nuclear power plants create a significant financial burden for nuclear power plant operators. This article discusses…”
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Thermal Waves and Heat Transfer Efficiency Enhancement in Harmonically Modulated Turbulent Thermal Convection by Urban, P, Hanzelka, P, Králik, T, Musilová, V, Skrbek, L

“…We study turbulent Rayleigh-Bénard convection over four decades of Rayleigh numbers 4×10^{8}<Ra<2×10^{12}, while harmonically modulating the temperatures of…”
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Optical characterization of thin films non-uniform in thickness by a multiple-wavelength reflectance method by Ohlídal, M., Ohlídal, I., Franta, D., Králík, T., Jákl, M., Eliáš, M.

“…An original method enabling us to characterize the non‐uniformity of thin‐film thickness is described. This method employs the interpretation of data obtained…”
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Effect of boundary conditions in turbulent thermal convection (a) (a)Contribution to the Focus Issue Turbulent Thermal Convection edited by Mahendra Verma and Jörg Schumacher by Urban, P., Králík, T., Macek, M., Hanzelka, P., Věžník, T., Skrbek, L.

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Effect of boundary layers asymmetry on heat transfer efficiency in turbulent Rayleigh-Bénard convection at very high Rayleigh numbers [corrected] by Urban, P, Hanzelka, P, Kralik, T, Musilova, V, Srnka, A, Skrbek, L

“…The heat transfer efficiency in turbulent Rayleigh-Bénard convection is investigated experimentally, in a cylindrical cell of height 0.3 m, diameter 0.3 m. We…”
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Urban et al. reply by Urban, P, Hanzelka, P, Kralik, T, Musilova, V, Srnka, A, Skrbek, L

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Thermal conductivity of a CuCrZr alloy from 5 K to room temperatures by Hanzelka, P., Musilova, V., Kralik, T., Vonka, J.

“…Thermal conductivity of a CuCrZr alloy containing of 0.71% of Cr and 0.23% of Zr was measured in the temperature interval from 5 K to 300 K. A method utilizing…”
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Influence of condensed water on heat radiation absorptivity at cryogenic temperatures by Hanzelka, P., Musilova, V., Kralik, T.

“…Influence of water deposit on heat radiation absorptivity of a metallic surface was measured in a device designed for investigation of thermal radiative…”
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Thermal radiative properties of a DLC coating by Hanzelka, P., Kralik, T., Maskova, A., Musilova, V., Vyskocil, J.

“…Thermal radiative properties of a DLC coating were measured in the range of cryogenic and room temperatures. Both the total hemispherical emissivity and…”
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Low temperature radiative properties of materials used in cryogenics by Musilova, V., Hanzelka, P., Kralik, T., Srnka, A.

“…Radiative heat transfer between two parallel surfaces, a sample surface and a black surface, was measured. One of the surfaces was cooled with liquid helium to…”
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Effect of different treatments of copper surface on its total hemispherical absorptivity bellow 77 K by Musilova, V., Kralik, T., Hanzelka, P., Srnka, A.

“…Total hemispherical absorptivity of copper surfaces treated with standard industrial methods was measured in dependence on the temperature of thermal…”
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Effect of different treatments of copper surface on its total hemispherical absorptivity bellow 77K by Musilova, V., Kralik, T., Hanzelka, P., Srnka, A.

“…Total hemispherical absorptivity of copper surfaces treated with standard industrial methods was measured in dependence on the temperature of thermal…”
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