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    Wyświetlanie 1-6 z 6
    Tytuł:
    Improvement of Energy Efficiency, Reliability and Environmental Safety of Power Plants Based on Associated Petroleum Gas
    Autorzy:
    Shonin, O. B.
    Salov, R. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/123635.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    gas turbine power plant
    associated petroleum gas
    fuel change
    load sharing
    Opis:
    The paper deals with one of important ecological problems – utilization of associated petroleum gas (APG) at oil fields. An example of APG usage as a fuel for gas turbine power plants is examined. Among possible topologies of power plants the focus is put on the structure based on turbines with combined diesel-gas supplying for increasing reliability of power generation in case of failures in the system of preparation of APG. In order to ensure correct transition of turbines from gas to diesel supplying it is important to know responds of the system to the interruption of gas supplying. Based on the fundamental principles of thermodynamics and fluid dynamics gas-turbine power plant simulation model has been developed utilizing MATLAB/Simulink environment. Using the model allowed revealing the influence of load-sharing among the turbines of different types on the transition to an additional source of turbine fuel. Based on simulation results, recommendations have been worked out for the improvement of the reliability of gas turbine power plant.
    Źródło:
    Journal of Ecological Engineering; 2017, 18, 3; 91-96
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Parametric analysis of the efficiency of the combined gas-steam turbine unit of a hybrid cycle for the FPSO vessel
    Autorzy:
    Serbin, Serhiy
    Washchilenko, Nikolay
    Dzida, Marek
    Kowalski, Jerzy
    Powiązania:
    https://bibliotekanauki.pl/articles/2033277.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    combined-cycle
    gas turbine
    steam turbine
    power plant
    Opis:
    A thermal diagram of the combined gas‒steam turbine unit of a hybrid cycle, which is an energy complex consisting of a base gas turbine engine with a steam turbine heat recovery circuit and a steam-injected gas turbine operating with overexpansion, is proposed. A mathematical model of a power plant has been developed, taking into consideration the features of thermodynamic processes of simple, binary, and steam-injected gas‒steam cycles. Thermodynamic investigations and optimization of the parameters of a combined installation of a hybrid cycle for the generation of electrical energy have been carried out. Three-dimensional calculations of the combustion chamber of a steam-injected gas turbine were carried out, which confirmed the low emissions of the main toxic components.
    Źródło:
    Polish Maritime Research; 2021, 4; 122-132
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative analysis of thermodynamic cycles of selected nuclear ship power plants with hightemperature helium- cooled nuclear reactor
    Autorzy:
    Szewczuk-Krypa, N.
    Grzymkowska, A.
    Głuch, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/260189.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    nuclear ship power plant
    nuclear reactor
    HTGR
    gas turbine
    steam turbine
    combined cycle
    Opis:
    This paper presents a comparative analysis of thermodynamic cycles of two ship power plant systems with a hightemperature helium- cooled nuclear reactor. The first of them is a gas system with recuperator , in which classical gas chamber is substituted for a HTGR reactor (High Temperature Gas-cooled Reactor) . The second of the considered cycles is a combined gas-steam system where working medium flux from gas turbine outlet is directed into waste heat boiler and its heat is utilized for production of superheated steam to drive steam turbine. Preliminary calculations of the combine cycles showed that it is necessary to expand the system by adding to its steam part an inter-stage overheat for secondary steam, owing to that a required degree of steam dryness at outlet from the turbine can be reached, ensuring its correct operational conditions. The analyzed power systems were compared to each other with regard to efficiency of their thermodynamic cycles. Also, efficiency of particular cycles were subjected to optimization in respect to such parameters as : working gas temperature at outlet from reactor in gas system as well as steam pressure at outlet from waste heat boiler and partition pressure in steam part of combined system. Advantages of nuclear power plants compared with the classical power systems dominating currently in sea transport were also discussed.
    Źródło:
    Polish Maritime Research; 2018, S 1; 218-224
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigation of the efficiency of a dual-fuel gas turbine combustion chamber with a plasma‒chemical element
    Autorzy:
    Serbin, Serhiy
    Diasamidze, Badri
    Dzida, Marek
    Chen, Daifen
    Powiązania:
    https://bibliotekanauki.pl/articles/32921246.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    gas turbine engine
    power plant
    dual-fuel combustion
    combustion chamber
    liquid fuel
    gaseous fuel
    plasma-assisted combustion
    Opis:
    The study is devoted to the possibility of increasing the efficiency of the working process in dual-fuel combustion chambers of gas turbine engines for FPSO vessels. For the first time, it is proposed to use the advantages of plasma‒chemical intensification of the combustion of hydrocarbon fuels in the dual-fuel combustion chambers, which can simultaneously operate on gaseous and liquid fuels. A design scheme of a combustion chamber with a plasma‒chemical element is proposed. A continuous type mathematical model of a combustion chamber with a plasma‒chemical element has been developed, which is based on the solution of a system of differential equations describing the processes of chemical reactions in a turbulent system, taking into consideration the initiating effect of the products of plasma‒chemical reactions on the processes of flame propagation. A modified six-stage kinetic scheme of hydrocarbon oxidation was used to simultaneously predict the combustion characteristics of the gaseous and liquid fuels, taking into account the decrease in the activation energy of carbon monoxide oxidation reactions when the products of the plasma‒chemical element are added. The results reveal that the addition of plasma‒chemical products significantly reduces CO emissions in the outlet section of the flame tube (from 25‒28 ppm to 3.9‒4.6 ppm), while the emission of nitrogen oxides remains practically unchanged for the studied combustion chamber. Further research directions are proposed to enhance the working process efficiency of a dual-fuel combustion chamber for gas turbine engines as part of the power plant of FSPO vessels.
    Źródło:
    Polish Maritime Research; 2023, 2; 68-75
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Issledovanie ehffektivnosti dizel-gazoturbinnojj ustanovki s termokhimicheskojj regeneraciejj tepla
    Analysis of efficiency of diesel-gas turbine power plant with thermochemical heat recovery
    Autorzy:
    Cherednichenko, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/76437.pdf
    Data publikacji:
    2015
    Wydawca:
    Komisja Motoryzacji i Energetyki Rolnictwa
    Tematy:
    diesel fuel
    gas turbine
    power plant
    heat recovery system
    waste heat
    internal combustion engine
    caloric value
    thermodynamic property
    Źródło:
    Motrol. Motoryzacja i Energetyka Rolnictwa; 2015, 17, 2
    1730-8658
    Pojawia się w:
    Motrol. Motoryzacja i Energetyka Rolnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Water management at CCGT unit
    Optymalizacja gospodarki wodą w bloku gazowo-parowym
    Autorzy:
    Szaban, J.
    Wawrzyński, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/276594.pdf
    Data publikacji:
    2013
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    optymalizacja
    Ovation
    SmartProcess
    chłodnia wentylatorowa
    Cykl Kombinowany w Wysokosprawnej Kogeneracji
    optimization
    power plant
    cooling towers
    Combined Cycle Gas Turbine
    Opis:
    This paper discusses a water management optimization of cooling towers. Description of a problem solution as well as its industrial application is included. The used software belongs to Emerson's SmartProcess products. It has been applied to two power plants as a part of the Ovation DCS (distributed control system).
    W artykule omówiono optymalizacje gospodarki wodnej w chłodni wentylatorowej. Podano opis rozwiązania problemem jak również jego zastosowania w przemyśle. Zastosowano część oprogramowania z pakietu SmartProcess dostarczanego przez Emerson. Pakiet użyto w dwóch elektrowniach, jako uzupełnienie rozproszonego systemu sterowania Ovation.
    Źródło:
    Pomiary Automatyka Robotyka; 2013, 17, 2; 250-253
    1427-9126
    Pojawia się w:
    Pomiary Automatyka Robotyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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