Computational Evaluation of the Effect of Plunger Spring Stiffness On Opening and Closing Times of the Low-Pressure Gas-Phase Injector

IF 0.6 4区 工程技术 Q4 MECHANICS Mechanika Pub Date : 2022-06-21 DOI:10.5755/j02.mech.31230
D. Szpica, Michal Kusznier
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引用次数: 2

Abstract

In the paper, an attempt was made to computationally demonstrate the effect of the plunger pressure stiffness on the opening and closing times of the low-pressure gas-phase injector as a filling of the research gap in this subject.  Based on the presented mathematical model describing the operation of the injector, firstly the results were related to the manufacturer's technical data showing a shorter time to full opening by 2.77% and a longer time to full closing by 0.50%. On this basis, it was considered that the proposed model can be used for comparison purposes. In the assumed range of compression spring stiffness (100... 2000) N/m, it was shown that as the stiffness increases, the time to fully open decreases by 18.85%, while the time to fully closed decreases by 80.17%. Additionally, it is shown that the time-cross section as the stiffness of the compression spring increases can decrease up to 35.21% from the initial value. The obtained results can be useful in modeling the operation of an internal combustion engine or in the operational assessment of the gas injector condition.
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柱塞弹簧刚度对低压气相喷射器启闭次数影响的计算评价
本文试图通过计算来证明柱塞压力刚度对低压气相喷射器启闭次数的影响,以填补本课题的研究空白。根据所建立的喷油器运行数学模型,首先将结果与制造商的技术数据相关联,表明完全开启时间缩短了2.77%,完全关闭时间延长了0.50%。在此基础上,有人认为提议的模型可用于比较目的。在假定的压缩弹簧刚度范围内(100…2000) N/m,结果表明,随着刚度的增加,完全打开时间减少18.85%,完全关闭时间减少80.17%。随着压缩弹簧刚度的增大,压缩弹簧的时间截面比初始值减小了35.21%。所得结果可用于内燃机的运行建模或气体喷射器状态的运行评估。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Mechanika
Mechanika 物理-力学
CiteScore
1.30
自引率
0.00%
发文量
50
审稿时长
3 months
期刊介绍: The journal is publishing scientific papers dealing with the following problems: Mechanics of Solid Bodies; Mechanics of Fluids and Gases; Dynamics of Mechanical Systems; Design and Optimization of Mechanical Systems; Mechanical Technologies.
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