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Michal Kolovratnik

Researcher at Czech Technical University in Prague

Publications -  41
Citations -  380

Michal Kolovratnik is an academic researcher from Czech Technical University in Prague. The author has contributed to research in topics: Steam turbine & Turbine. The author has an hindex of 8, co-authored 37 publications receiving 260 citations.

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Numerical and Experimental Investigations of Steam Condensation in LP Part of a Large Power Turbine

TL;DR: In this article, the experimental investigations of steam flow with condensation in the blading system of the low-pressure (LP) part of a 360 MW turbine were presented, which provided flow visualization opportunities including localization of the front of condensation, determining distributions of pressure, temperature, velocity, and flow angle in the inter-row gaps, measurements of water droplet concentration and sizes.
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Absorption power cycles for low-temperature heat sources using aqueous salt solutions as working fluids

TL;DR: In this article, a theoretical exploration of the possibility of utilizing aqueous solutions of three salts (lithium bromide, lithium chloride and calcium chloride), known mainly from absorption cooling, as working fluids for APCs is presented.
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Wet steam energy loss and related Baumann rule in low pressure steam turbines

TL;DR: In this paper, the authors present the results of a computational analysis of the wet steam energy loss occurring in a 210MW fossil-fired and a 1000MW nuclear LP steam turbine, which operate under considerably different conditions as regards pressure level in the droplet nucleation zone, exit moisture level and droplet size spectra determined from optical extinction measurements.
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Impact of major leakages on characteristics of a rotary vane expander for ORC

TL;DR: In this article, a semi-empirical model with two different leakages, namely the lumped leakage area between inlet and outlet and leakage between working chambers due to delayed contact of vane and stator, is presented.