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    Wyświetlanie 1-4 z 4
    Tytuł:
    Adaptation of Classic Combustion Engines To Compressed Air Supply
    Autorzy:
    Szoka, W.
    Szpica, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/387178.pdf
    Data publikacji:
    2012
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    mechanika
    silniki gazowe
    projekt
    mechanics
    compressed air engine
    design
    Opis:
    This paper presents the issue of the construction and operation of the pneumatic piston engines. We analyzed different options for design solutions, as well as their applicability. It proposes its own solutions based on reciprocating internal combustion engines JAWA 50 and FIAT 126P, which was obtained during the adaptation of two-stroke engines air. The first attempts were successful operation. We showed the process of adaptation each of engines, their specifications and set the scope for further work related to the improvement of operational characteristics, as well as guidelines for developing a mathematical model of action.
    Źródło:
    Acta Mechanica et Automatica; 2012, 6, 1; 68-73
    1898-4088
    2300-5319
    Pojawia się w:
    Acta Mechanica et Automatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Performance evaluation of a single cylinder compressed air engine: an experimental study
    Autorzy:
    Hanan, Ahmad
    Feroze, Tariq
    Arif, Awais
    Iftikhar, Hasan
    Khan, Afzaal A.
    Javaid, Sarmad
    Powiązania:
    https://bibliotekanauki.pl/articles/2105994.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    internal combustion engines
    compressed air engine
    engine analysis
    single cylinder engine
    Opis:
    The quest to reduce dangerous environmental emissions has led to the research and use of alternate and renewable energy sources. One of the major contributors to the dangerous environmental emissions is the automotive industry. The world is, therefore, quickly moving towards hybrid and electric vehicles. An alternate pollution-free automotive engine is a compressed-air engine, which is powered by compressed air and is more efficient than the electric engine since it requires less charging time than a traditional battery-operated engine. Furthermore, the tanks used in compressed-air engines have a longer lifespan in comparison to the batteries used in electric vehicles. However, extensive research is required to make this engine viable for commercial use. The current study is a step forward in this direction and shows the performance analysis of a single-cylinder compressed-air engine, developed from a four-stroke, single-cylinder, 70 cc gasoline engine. The results show that compressed-air engines are economic, environmental friendly and efficient.
    Źródło:
    Acta Mechanica et Automatica; 2022, 16, 2; 119--123
    1898-4088
    2300-5319
    Pojawia się w:
    Acta Mechanica et Automatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A review of compressed air engine in the vehicle propulsion system
    Autorzy:
    Korbut, Michal
    Szpica, Dariusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2106241.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    emission reduction
    drive sources
    pneumatic engine
    compressed air engine
    pneumatic hybrid
    Opis:
    Engines powered by compressed air as a source of propulsion are known for many years. Nevertheless, this type of drive is not commonly used. The main reason for not using commonly is the problem with the low energy density of the compressed air. They offer a number of advantages, primarily focusing on the possibility of significantly lowering the emissions of the engine. Their emissivity mainly depends on the method of obtaining compressed air. This also has an impact on the economic aspects of the drive. Currently there are only a few, ready to implement, compressed air powered engine solutions available on the market. A major advantage is the ability to convert internal combustion engines to run with compressed air. The study provides a literature review of solutions, focusing on a multifaceted analysis of pneumatic drives. Increasing vehicle approval requirements relating to their emissions performance are encouraging for the search of alternative power sources. This creates an opportunity for the development of unpopular propulsion systems, including pneumatic engines. Analysing the works of some researchers, it is possible to notice a significant increase in the efficiency of the drive, which may contribute to its popularisation.
    Źródło:
    Acta Mechanica et Automatica; 2021, 15, 4; 215--226
    1898-4088
    2300-5319
    Pojawia się w:
    Acta Mechanica et Automatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Research of rotary piston engine use in transport power plants
    Autorzy:
    Mytrofanov, Oleksandr
    Proskurin, Arkadii
    Poznanskyi, Andrii
    Powiązania:
    https://bibliotekanauki.pl/articles/2203852.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    rotary piston air engine
    hybrid transport power plant
    compressed air
    external speed characteristics
    car power balance
    dynamic characteristic of a car
    silnik powietrzny z tłokiem obrotowym
    sprężone powietrze
    charakterystyka prędkości zewnętrznej
    bilans mocy samochodu
    charakterystyka dynamiczna samochodu
    Opis:
    A schematic diagram of a transport hybrid power plant using a new design RPE-4.4/1.75 rotary piston air engine is proposed. Its external speed characteristic is determined, according to which the maximum engine power is 8.75 kW at 850 rpm and the maximum torque is 127.54 N∙m at 400 rpm. For various gears and speeds, all the components of the power balance were determined and the dynamic characteristic of the hybrid car was obtained when operated on an air engine. According to the dependences of the power balance, the total traction force from the rotary piston air engine on the driving wheels is 5 kN. The performance of acceleration of a hybrid car while working on an air engine is estimated, namely, the dependences of acceleration, time, and acceleration path are obtained. In urban traffic, the required time to accelerate the car to a speed of 60 km/h is 15.2 s and the path is 173 m. The possible drive range of the hybrid car on compressed air without additional recharging is analyzed. On one cylinder with compressed air with a volume of 100 liters, an initial pressure of 35 MPa, and a final pressure of 2 MPa, the hybrid car can travel about 26 km.
    Źródło:
    Transport Problems; 2021, 16, 1; 165--178
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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