<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The article presents research results referring to the influence of supply pressure on the functional parameters of the impulse low-pressure gas-phase injector. The study was done on the original stand for flow test of gas-phase injectors. In the indirect evaluation, with the initial parameters and the length of the forced impulse, the current line, acceleration and pressure sensor courses were used. Apart from the volumetric flow rate, the analysed parameters were the time periods of the injector opening and closing process. Those time segments were composed of response time and opening/closing time, the sum of which gives time of full opening. Functional relationships describing the volumetric flow rate, time of full opening and closing are presented, which are helpful not only in comparative tests of different injectors, but also in modelling the operation of gas injector or algorithms of gas supply control system. The reference to the volumetric flow rate allowed to indicate possible causes of variability of this parameter depending on the supply pressure.</p>
</abstract>

The article presents research results referring to the influence of supply pressure on the functional parameters of the impulse low-pressure gas-phase injector. The study was done on the original stand for flow test of gas-phase injectors. In the indirect evaluation, with the initial parameters and the length of the forced impulse, the current line, acceleration and pressure sensor courses were used. Apart from the volumetric flow rate, the analysed parameters were the time periods of the injector opening and closing process. Those time segments were composed of response time and opening/closing time, the sum of which gives time of full opening. Functional relationships describing the volumetric flow rate, time of full opening and closing are presented, which are helpful not only in comparative tests of different injectors, but also in modelling the operation of gas injector or algorithms of gas supply control system. The reference to the volumetric flow rate allowed to indicate possible causes of variability of this parameter depending on the supply pressure.

Evaluation of the Influence of the Supply Pressure on Functional Parameters of the Impulse Low-Pressure Gas-Phase Injector

Mechanical Power Engineering Department, Faculty of Engineering

Acta Mechanica et Automatica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The article presents research results referring to the influence of supply pressure on the functional parameters of the impulse low-pressure gas-phase...

Evaluation of the Influence of the Supply Pressure on Functional Parameters of the Impulse Low-Pressure Gas-Phase Injector

Pubblicato online: 08 mar 2021

Pagine: 180 - 185

Ricevuto: 23 nov 2020

Accettato: 19 gen 2021

DOI: https://doi.org/10.2478/ama-2020-0026

Parole chiave
Mechanical engineering, combustion engines, fuel supply, alternative fuel injector, research

© 2020 Dariusz Szpica et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Evaluation of the Influence of the Supply Pressure on Functional Parameters of the Impulse Low-Pressure Gas-Phase Injector

Pubblicato online: 08 mar 2021

Pagine: 180 - 185

Ricevuto: 23 nov 2020

Accettato: 19 gen 2021

DOI: https://doi.org/10.2478/ama-2020-0026

Parole chiaveMechanical engineering, combustion engines, fuel supply, alternative fuel injector, research

© 2020 Dariusz Szpica et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Parole chiave
Mechanical engineering, combustion engines, fuel supply, alternative fuel injector, research