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Wyszukujesz frazę "cooling water system" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
The effect of cooling water temperature on the performance of a BWR nuclear power plant
Autorzy:
Laskowski, Rafał
Theimech, Mohamad
Uzunow, Nikołaj
Powiązania:
https://bibliotekanauki.pl/articles/2195750.pdf
Data publikacji:
2021
Wydawca:
Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:
nuclear power plant
cooling system
cooling water temperature
boiling water reactor
BWR
elektrownia jądrowa
układ chłodzenia
temperatura wody chłodzącej
reaktor wrzący
Opis:
Although PWR reactors make up the large majority of the world's nuclear power plants, BWR reactors also have a share in this industry. It is difficult to find data on the performance of a BWR power plant in off-design and variable load conditions in the literature. Therefore, the paper presents how cooling water temperature affects the efficiency and power output of a BWR unit. The qualitative effect of changes and the trend related to the effect of cooling water temperature on the performance of the power plant are known, but the quantitative effect has to be determined for specific power units. Depending on the location of the nuclear power plant, various temperatures of cooling water for use in condensers and thus various operating conditions of the cooling system can be achieved. To analyze how cooling water temperature affects the performance of the power unit, a model of a BWR power plant was developed using the Ebsilon software. The model was based on data provided in [1] concerning LaSalle County Nuclear Generating Station. Calculations showed that within the examined range of cooling water temperatures at the condenser inlet between 10 and 28oC the gross power output of the unit decreases by 91.405 MW and the gross efficiency drops by 2.773 percentage points.
Źródło:
Modern Engineering; 2021, 3; 5--13
2450-5501
Pojawia się w:
Modern Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Coolant pump for compression-ignition aircraft engine
Autorzy:
Gęca, Michał Jan
Pietrykowski, Konrad
Barański, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/133232.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
diesel engine
opposed-piston engine
aircraft propulsion system
cooling system
water pump
silnik wysokoprężny
silnik o tłokach przeciwbieżnych
układ napędowy samolotu
układ chłodzenia
pompa wody
Opis:
The article presents an analysis of the design of cooling liquid pumps for a compression-ignition aircraft engine. A 100 kW twin-charged, two-stroke, liquid-cooled engine has 3 cylinders and 6 opposed-pistons. In the first part of the study, the amount of heat needed to be removed by the cooling system was estimated to obtain the required volumetric flow rate. Then, the design of automotive cooling liquid pumps for compression-ignition engines with a Common Rail power supply system and power of about 100 kW was analyzed. The aim of the analysis was to select a suitable pump for applications in the aircraft compression-ignition engine. 5 constructions of different shape, diameter and width of the working rotor were selected. The pressure and volume flow rate were determined for a given rotational speed of the pump on a specially built stand. The operation maps of individual pumps were created to select the most efficient types of pumps.
Źródło:
Combustion Engines; 2019, 58, 4; 52-57
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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