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    Wyświetlanie 1-5 z 5
    Tytuł:
    Diesel engine for aircraft propulsion system
    Autorzy:
    Gęca, M.
    Czyż, Z.
    Sułek, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/134252.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    diesel engine
    aircraft propulsion system
    power-to-weight ratio
    specific fuel consumption
    silnik spalinowy
    lotniczy układ napędowy
    jednostkowe zużycie paliwa
    Opis:
    Stricter requirements for power in engines and difficulties in fueling gasoline engines at the airport make aircraft engine manufacturers design new engines capable of combusting fuel derived from JET-A1. New materials used in compression-ignition engines enable weight reduction, whereas the technologies of a Common Rail system, supercharging and 2-stroke working cycle enable us to increase the power generated by an engine of a given displacement. The paper discusses the parameters of about 40 types of aircraft compression ignition engines. The parameters of these engines are compared to the spark-ignition Rotax 912 and the turboprop. The paper also shows trends in developing aircraft compression-ignition engines.
    Źródło:
    Combustion Engines; 2017, 56, 2; 7-13
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experimental research of oil pump for a compression-ignition aircraft engine
    Autorzy:
    Szlachetka, Marcin
    Sochaczewski, Rafał
    Gęca, Michał Jan
    Powiązania:
    https://bibliotekanauki.pl/articles/133729.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    diesel engine
    opposed-piston engine
    aircraft propulsion system
    oil system
    oil pump
    silnik wysokoprężny
    silnik o tłokach przeciwbieżnych
    układ napędowy samolotu
    układ olejowy
    pompa oleju
    Opis:
    The paper presents an analysis of the constructions of oil pumps for an aircraft compression ignition engine. It is a two-stroke liquid-cooled engine with a power of 100 kW. The system has 3 cylinders and 6 opposed pistons. The paper estimates the required oil pump capacity to make the engine components well-lubricated. Next, automotive oil pumps for diesel engines are analyzed to select a correct pump for aircraft diesel engine applications. Three pump constructions of different constructions and dimensions of a rotor were select-ed. A measurement bench was designed and built to test these oil pumps in the range of pump shaft speeds from 0 to 4500 rpm and volumetric flow rate up to 150 l/min. The bench also enables stabilization of oil temperature at the required level within the range from 30 to 120oC. In addition, flow resistance through engine slide bearings was simulated by changing the position of a throttling valve at the pump output to regulate pressure in the range of 0-700 kPa. The obtained capacity characteristics of individual pumps versus on oil pressure and temperature allowed us to find an appropriate oil pump to make individual engine nodes well-lubricated.
    Źródło:
    Combustion Engines; 2019, 58, 4; 142-146
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    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
    Tytuł:
    Analysis of the availability of aircrafts with alternative propulsions
    Autorzy:
    Fuć, Paweł
    Kardach, Monika
    Maciejewska, Marta
    Powiązania:
    https://bibliotekanauki.pl/articles/133955.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    aircrafts
    alternative propulsion
    electric aircraft
    samoloty
    napędy alternatywne
    samolot elektryczny
    Opis:
    Global air traffic doubles every 15 years. Therefore, aviation emission grows as well. It is advisable to look for an alternative air-crafts’ propulsion for both commercial and general aviation (usually flying closer to the ground). There are many prototypes proposed by homemade projects, through companies wanting to extend their offer. There are also several more advanced constructions ready to self-set or serially produced. In the article the main topic are electric aircrafts as an example of possibility to reduce the toxic com-pounds emission. According to the analysis some of companies specializing in unmanned aircraft production, starting to expand their business with manned products. In the article, analyses of electric aircrafts different models, which are available on market and present-ed the comparisons characteristics based on e.g. cruise speed, range for every model or charging time were made and conclusions about alternative aircraft propulsions, were made.
    Źródło:
    Combustion Engines; 2019, 58, 4; 220-225
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The aircraft engines in the land vehicles
    Autorzy:
    Walentynowicz, Jerzy
    Powiązania:
    https://bibliotekanauki.pl/articles/2097583.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    aircraft engines
    land vehicle
    propulsion systems
    dual application
    dual use
    silniki lotnicze
    pojazd lądowy
    układy napędowe
    podwójne zastosowanie
    podwójne użycie
    Opis:
    The examples of the applications of the aircraft engines to propulsion of the heavy armored land vehicles are presented in this paper. They provide the power necessary for high mobility of these land vehicles, which have a weight much greater than trucks. These engines were mass produced and thus were readily available. It was easier to repair damaged engines, too. Both spark-ignition and compression-ignition piston engines as well as turbocharged engines were used to propulsion of the armored vehicles. General solutions of the dual-purpose engines for the vehicles during the First and Second World War as well as the engines used nowadays are presented. Attention is also given to the specific solutions of these engine assemblies. Their basic technical and operational parameters are described. The implications of adapting aircraft engines to land vehicles were analyzed.
    Źródło:
    Combustion Engines; 2021, 60, 4; 52--59
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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