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CNG injector research for dual fuel engine

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Języki publikacji
EN
Abstrakty
EN
The article presents the tests results of the prototype design of hydraulically assisted injector that is designed for gas supply into diesel engines. The construction of the injector allows for its positioning in the glow plug socket, so that the gas is injected directly into the combustion chamber. The cycle analysis of the four-cylinder Andoria ADCR engine with a capacity of 2.6 dm3 for different crankshaft rotational speeds allowed to determine the necessary time for fuel injection. Because of that, it was possible to determine the required mass flow rate of the injector, for replacing as much of the original fuel by gaseous fuel. To ensure a high value of flow inside the injector, supply pressure equal to 1 MPa was applied. High gas supply pressure requires high value of valve opening forces. For this purpose a injector with hydraulic control system, using a liquid under pressure for the opening process was designed. On the basis of air pressure measurements in the flow line after the injector, the analysis of opening and closing of the valve was made. Measurements of outflow mass of the injector were also carried out. The results showed that the designed injector meets the requirements necessary to supply ADCR engine with CNG fuel.
Słowa kluczowe
Twórcy
autor
  • Lublin University of Technology, Faculty of Mechanical Engineering, Lublin, Poland
autor
  • Lublin University of Technology, Faculty of Mechanical Engineering, Lublin, Poland
  • Lublin University of Technology, Faculty of Mechanical Engineering, Lublin, Poland
  • Pope John Paul II State School of Higher Education in Biała Podlaska, Biała Podlaska, Poland
Bibliografia
  • 1. Barata J.M.M. Performance and Emissions of a Dual Fueled DI Diesel Engine. SAE Technical Paper, Series 952364, 1995.
  • 2. Czarnigowski J., Barański G., Wendeker M., Duk M., Zyska T. Method to measure injector opening and closing lag times. Combustion Engines, 2011, 50 (1), 20–28.
  • 3. Kajiwara M., Sugiyama K., Sagara M., Mori M., Goto S., Alam. M. Performance and Emissions Characteristics of an LPG Direct Injection Diesel Engines. SAE Technical Paper, Series 2002-01- 0869, 2002.
  • 4. Saleh H.E. Effect of variation in LPG composition on emissions and performance in a dual fuel diesel engine. Fuel 87, 2008, 3031–3039.
  • 5. Stelmasiak, Z. Selected problems of application of natural gas to CI engine. Archiwum Motoryzacji, 2006.
  • 6. Vijayabalan P., Nagarajan G. Performance, Emission and Combustion of LPG Diesel Dual Fuel Engine using Glow Plug. Jordan Journal of Mechanical and Industrial Engineering, 3 (2), 2009, 105–110.
Uwagi
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-02a82497-f0b4-4362-8f2c-0e491870c5a5
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