System for studying the parameters of gas solenoid valves

Stoyan Nedelchev Stoyanov; Veselin Mihaylov; Zdravko Ivanov; Radostin Radev

doi:10.29114/ajtuv.vol5.iss2.259

Stoyan Nedelchev Stoyanov Technical University of Varna, Department “Transport Engineering and Technologies”, 9010, 1 Studentska Street, Varna, Bulgaria
Veselin Mihaylov Technical University of Varna, Department “Transport Engineering and Technologies”, 9010, 1 Studentska Street, Varna, Bulgaria http://orcid.org/0000-0002-7381-4414
Zdravko Ivanov Technical University of Varna, Department “Transport Engineering and Technologies”, 9010, 1 Studentska Street, Varna, Bulgaria http://orcid.org/0000-0001-6041-3569
Radostin Radev Technical University of Varna, Department of Automation, 9010, 1 Studentska Street, Varna, Bulgaria

DOI: https://doi.org/10.29114/ajtuv.vol5.iss2.259

Keywords: Test stand, LPG injectors, gas fuel, real working conditions

Abstract

The aim of the present work is to construct a test stand for determining the characteristics of different fourth generation gas injectors working under various conditions as close as possible to the actual operating ones. For this purpose, the standard fourth generation gas system and liquefied petroleum gas (LPG) as a working fluid were used for the stand. A system has been developed to maintain the gas leakage pressure equal in value to the pressure in the intake manifold of a Spark Ignition (SI) engine. Used LPG is compressed and liquefied for reuse. Additionally, safety measures are taken. The stand provides the right conditions for determining the influence of the nozzle diameter, the length of the connecting pipe between the injector and the intake manifold, the differential pressure upstream and downstream of the injector and other factors that affect these characteristics, which may be different when installing LPG system to an internal combustion engine.

Author Biographies

Stoyan Nedelchev Stoyanov, Technical University of Varna, Department “Transport Engineering and Technologies”, 9010, 1 Studentska Street, Varna, Bulgaria

Department “Transport Engineering and Technologies”

Veselin Mihaylov, Technical University of Varna, Department “Transport Engineering and Technologies”, 9010, 1 Studentska Street, Varna, Bulgaria

Department “Transport Engineering and Technologies”

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