Roman Domański - Academia.edu (original) (raw)

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Papers by Roman Domański

Research paper thumbnail of Numerical Analyses of Heat Transfer in High-Temperature Loaded Turbine Blades

Journal of Power Technologies, Dec 20, 2012

This article deals with heat transfer problems encountered in the cooling of jet engine turbine b... more This article deals with heat transfer problems encountered in the cooling of jet engine turbine blades with internal cooling only. For this purpose an exemplary turbine blade was investigated using numerical methods. The results and conclusions are presented.

Research paper thumbnail of Thermal conductivity enhancement of copper–diamond composites by sintering with chromium additive

Journal of Thermal Analysis and Calorimetry, 2014

ABSTRACT The thermal diffusivity (TD) and thermal conductivity (TC) of Cu–Cr–diamond composite ma... more ABSTRACT The thermal diffusivity (TD) and thermal conductivity (TC) of Cu–Cr–diamond composite materials were examined in the temperature range from 50 to 300 deg.C for diamond volume fractions of 22, 40, 50, 55, and 60 %. The samples were fabricated by the plasma pulse sintering (PPS) method. TC does not increase proportionally with the diamond fraction in the particular composite materials. The highest TD was determined for 50 % diamond volume fraction, and the evaluated TC reached 658 W m-1 K-1 at 50 deg.C. This article complements earlier articles concerning synthesis and characterization of the diamond–copper composites produced by the PPS method.

Research paper thumbnail of Numerical Analyses of Heat Transfer in High-Temperature Loaded Turbine Blades

Journal of Power Technologies, Dec 20, 2012

This article deals with heat transfer problems encountered in the cooling of jet engine turbine b... more This article deals with heat transfer problems encountered in the cooling of jet engine turbine blades with internal cooling only. For this purpose an exemplary turbine blade was investigated using numerical methods. The results and conclusions are presented.

Research paper thumbnail of Thermal conductivity enhancement of copper–diamond composites by sintering with chromium additive

Journal of Thermal Analysis and Calorimetry, 2014

ABSTRACT The thermal diffusivity (TD) and thermal conductivity (TC) of Cu–Cr–diamond composite ma... more ABSTRACT The thermal diffusivity (TD) and thermal conductivity (TC) of Cu–Cr–diamond composite materials were examined in the temperature range from 50 to 300 deg.C for diamond volume fractions of 22, 40, 50, 55, and 60 %. The samples were fabricated by the plasma pulse sintering (PPS) method. TC does not increase proportionally with the diamond fraction in the particular composite materials. The highest TD was determined for 50 % diamond volume fraction, and the evaluated TC reached 658 W m-1 K-1 at 50 deg.C. This article complements earlier articles concerning synthesis and characterization of the diamond–copper composites produced by the PPS method.

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