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Wyszukujesz frazę "low-boiling media" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Design and performance study of a small-scale waste heat recovery turbine
Autorzy:
Rusanov, R.
Jędrzejewski, Ł.
Klonowicz, P.
Żywica, G.
Lampart, P.
Rusanov, A.
Powiązania:
https://bibliotekanauki.pl/articles/175197.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cogeneration unit
low-boiling working media
numerical method
turbine
radialaxial stage
Opis:
The paper presents the design process of a radial-axial turbine working with SES36 working fluid. First, the mean-line design process is performed and then the geometry is developed. In the next stage the numerical verification is performed taking into account the real properties of the working fluid. The properties are implemented via a look-up table and by a modified Benedict-Webb-Rubin equation of state. The presented turbine is characterized by a very small stator outflow angle which is about 4.5◦ but despite this small value, the efficiency of the machine is relatively high and equal to about 88%. The influence of internal leakages has also been investigated.
Źródło:
Transactions of the Institute of Fluid-Flow Machinery; 2016, 133; 145-162
0079-3205
Pojawia się w:
Transactions of the Institute of Fluid-Flow Machinery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Design analysis of ORC micro-turbines making use of thermal energy of oceans
Autorzy:
Piwowarski, M.
Powiązania:
https://bibliotekanauki.pl/articles/258880.pdf
Data publikacji:
2013
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
Ocean Thermal Energy Conversion (OTEC) cycles
organic Rankine cycle (ORC)
low-boiling media
steam turbines
turbine design
Opis:
The article presents the results of the analysis of energy conversion cycles making use of thermal energy of oceans. The objects of analysis were two cases of closed Organic Rankine Cycle (ORC) power plants, which were: the cycle in which the vapour of the working medium was produced by warm oceanic water in the circum-equatorial zone, and the so-called “arctic” cycle in which this vapour was produced by non-frozen water in the circumpolar zone. Between ten and twenty low-boiling media were examined for which operating parameters were optimised to obtain the highest cycle efficiency. A preliminary design of an ORC turbine which was obtained by optimising basic design parameters is included. It has been proved that realisation of the Ocean Thermal Energy Conversion (OTEC) cycle is possible both in the warm and permanently frozen regions. The results of the calculations have also revealed that the efficiency of the OTEC cycle is higher in the circumpolar zone. Selecting a low-boiling medium and designing a highly efficient turbine operating in both abovementioned regimes is technically realisable.
Źródło:
Polish Maritime Research; 2013, 2; 48-60
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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