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Wyszukujesz frazę "Kantor, P." wg kryterium: Autor

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Water-management role of Norway spruce Picea abies (L.) Karst. and European beech Fagus sylvatica L. in mountain locations
    Autorzy:
    Kantor, P
    Powiązania:
    https://bibliotekanauki.pl/articles/41099.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    water budget
    water management role
    Norway spruce
    Picea abies
    European beech
    Fagus sylvatica
    mountain location
    summary evaporation
    snow cover
    precipitation
    stand type
    Opis:
    All basic components of the water budget of a mature spruce and beech stand in the Orlické Mts are quantified and the results are given in summary tables. Rest periods (November–April) and vegetation seasons (May–October) are evaluated separately. Special attention is paid to the measurement of snow cover and the processes of snow melting in both types of stands.
    Źródło:
    Dendrobiology; 2004, 51 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of Enrichment Factors for Heavy Metals in Urban Street Dust and Air Aerosols
    Autorzy:
    Kantor, P.
    Svedova, B.
    Drozdova, J.
    Raclavska, H.
    Kucbel, M.
    Raclavsky, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/319349.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Przeróbki Kopalin
    Tematy:
    heavy metals
    street dust
    enrichment factor
    Clarke value
    geochemical background
    soils
    Opis:
    The article deals with the possibility of comparison of enrichment factors in air aerosols (PM10) and in the street dust, which is influenced by air pollution. For Pb and Sb, the same value of enrichment factor for both matrices was determined. The highest enrichment index (> 100) in air aerosols was found for Cd, Sb, and As, and also for Pb, and Zn (approximately 100). Enrichment factor shows significant differences in the summer and winter period, for Cd, Sb, As, Pb, and Zn it is > 2x higher in winter. Enrichment factor in street dust was also evaluated using geochemical background of soils from Olomouc. It was found that the highest value of enrichment factor is achieved by Cu, which comes from transport (probably bus operation).
    Źródło:
    Inżynieria Mineralna; 2018, R. 19, nr 1, 1; 209-216
    1640-4920
    Pojawia się w:
    Inżynieria Mineralna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    CFD simulation as a tool for the identification of the manifold element reaction to pressure pulsations excitation (one- and two-phase flow)
    Autorzy:
    Cyklis, P.
    Kantor, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1955745.pdf
    Data publikacji:
    2003
    Wydawca:
    Politechnika Gdańska
    Tematy:
    pressure pulsations
    two-phase flow
    CFD
    Opis:
    The periodicity of compressor operation is a source of pressure pulsations in volumetric compressor manifolds. An analysis of pressure pulsations is important for several reasons. The Helmholtz model, applied in all commercial programs offered by the companies professionally dealing with damping pressure pulsations, contains numerous simplifying assumptions; a straight pipe segment, with an ideal gas isentropic flow assumption, substitutes each element of the piping system. In many cases this model is insufficient. The existing experimental methods could not be used in the design of a muffler. The aim of this paper is to show a new method to identify an arbitrary fragment of a manifold, i.e. a method of identification of the appropriate complex transmittance matrix elements using CFD simulation. This method allows the liquid phase dispersed in the compressed gas and non ideal gas as a working medium to also be considered. The most important conclusion of this work is that identification of acoustic element parameters in the manifold, based on multi-dimensional simulation model, is feasible. The author obtained much better results from the developed method than those yielded by the classic Helmholtz model. A comparison between pure gas and gas with oil contamination is also shown in the paper.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2003, 7, 3; 363-374
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experimental investigation of the ecological hybrid refrigeration cycle
    Autorzy:
    Cyklis, P.
    Kantor, R.
    Ryncarz, T.
    Górski, B.
    Duda, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/240899.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    hybrid refrigerating cycle
    adsorption
    two stage refrigerating
    hybrydowy cykl chłodniczy
    adsorpcja
    dwustopniowe chłodzenie
    Opis:
    The requirements for environmentally friendly refrigerants promote application of CO2 and water as working fluids. However there are two problems related to that, namely high temperature limit for CO2 in condenser due to the low critical temperature, and low temperature limit for water being the result of high triple point temperature. This can be avoided by application of the hybrid adsorption-compression system, where water is the working fluid in the adsorption high temperature cycle used to cool down the CO2 compression cycle condenser. The adsorption process is powered with a low temperature renewable heat source as solar collectors or other waste heat source. The refrigeration system integrating adsorption and compression system has been designed and constructed in the Laboratory of Thermodynamics and Thermal Machine Measurements of Cracow University of Technology. The heat source for adsorption system consists of 16 tube tulbular collectors. The CO2 compression low temperature cycle is based on two parallel compressors with frequency inverter. Energy efficiency and TEWI of this hybrid system is quite promising in comparison with the compression only systems.
    Źródło:
    Archives of Thermodynamics; 2014, 35, 3; 145-154
    1231-0956
    2083-6023
    Pojawia się w:
    Archives of Thermodynamics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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