The analyses of the phenomena inside a CNG flap-valve injector during gas flow
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Publication date: 2009-02-01
Combustion Engines 2009,136(1), 10–18
KEYWORDS
ABSTRACT
The paper describes simulation tests of a gas injector with the use of numerical fluid mechanics. The tests were carried
out on a CNG flap-valve injector which was connected with an inlet manifold by an additional injection pipe. Such a
model was identified and calibrated on the basis of the test stand research. The paper presents the tests results in transient
conditions (during valve opening and closing) and in a steady-state flow. The analysis concerns pressure and gas
velocity flow in selected points and sections of the injector and the injection pipe. The processes occurring in selected
areas of the injector have been presented. Moreover, areas essential for the useful characteristics of the injector have
been illustrated.
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The scientific journal is financed under the Agreement 185/WCN/2019/1 from the funds of the Minister of Science and Higher Education
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