Rapid Fleet Condition Analysis through Correlating Basic Vehicle Tracking Data with Engine Oil FT-IR Spectra

Nagy, Á.; Agocs, Adam; Ronai, Bettina; Raffai, Péter; Rohde-Brandenburger, Jan; Besser, Charlotte; Dörr, Nicole

doi:10.3390/lubricants9120114

Cited by 12 publications

(8 citation statements)

References 34 publications

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“…The further development of the lubricant chemical analyses can open new doors: quantifying the amount of fuel inside the lubricants can be important with warning and serious marking limits. Furthermore, the measurement of the oil aging parameters (e.g., nitration and oxidation level) with Fourier-transform infrared spectroscopy (FT-IR) [24] can also provide important information about the status of the lubricants. In the case of the element analysis of the lubricant additives (e.g., Ca, Zn, P, and S), it is also possible that these elements are not present in their original molecular structure but as their degradation by-products, and so the protection function of the engine oils can also be reduced.…”

Section: Discussionmentioning

confidence: 99%

Detection of the possible engine damages in case of a continuous track military vehicles with tribological investigations

Kuti¹,

Könczöl²,

Csapó³

et al. 2022

FME Transactions

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Detecting the engine failures of the continuous track military vehicles is challenging because their engines are always built-in narrow places covered with armored plates. In the case of the older engines, modern computer diagnostics cannot be used for failure analysis; the solution for these tasks is the visual analysis with the engine disassembly. A possible cost-effective failure analysis method can be the tribological and chemical analysis of the used oil from the engine, which can eliminate the engine disassembly work and as the results of the chemical oil analysis can also provide information about possible fuel or cooling water dilution or the increased wear of engine components. The main goal of this article is to present the failure analysis method through the tribological investigation of the engines of two PTSZ-M type medium-tracked amphibious military transport vehicles.

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Section: Discussionmentioning

confidence: 99%

Detection of the possible engine damages in case of a continuous track military vehicles with tribological investigations

Kuti¹,

Könczöl²,

Csapó³

et al. 2022

FME Transactions

View full text Add to dashboard Cite

show abstract

“…As the oxidation increases, the absorbance peaks increase. Additionally, phenol inhibitors that are used as antioxidants in the oil show changes in their observed peaks [ 29 , 54 , 55 , 56 , 57 ].…”

Section: Varnishmentioning

confidence: 99%

Varnish Formation and Removal in Lubrication Systems: A Review

Hong

Jang

2023

Materials

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This study presents the current literature regarding the investigation of varnish contamination among the various types of lubricant contaminations. As the duration of use of lubricants increases, the lubricant deteriorates and may become contaminated. Varnish has been known to cause filter plugging, sticking of the hydraulic valves and fuel injection pumps, flow obstruction, clearance reduction, poor heating and cooling performance, and increased friction and wear in various lubrication systems. These problems may also result in mechanical system failures, performance degradation, and increased maintenance and repair costs. To improve the problems caused by varnish contamination, an adequate understanding of varnish is required. Therefore, in this review, the definitions and characteristics, generating machinery, generating mechanisms, causes, measurement methods, and prevention or removal methods of varnish are summarized. Most of the data presented herein are reports from manufacturers related to lubricants and machine maintenance that are included in published works. We expect that this summary will be helpful to those who are engaged in reducing or preventing varnish-related problems.

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“…Monitoring the condition of engine oil, understood as a type of preventive maintenance, allows fleet managers to make appropriate decisions before a failure occurs based on the data obtained, their detailed analysis using computer tools, and the detection of change trends [23][24][25][26]. Laboratory methods allow for obtaining detailed information on the physico-chemical properties of lubricating oil.…”

Section: Introductionmentioning

confidence: 99%

Engine Oil Degradation in the Real-World Bus Fleet Test Based on Two Consecutive Operational Intervals

Gołębiowski,

Wolak,

Šarkan

2024

Lubricants

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The literature on the subject and the results of numerous research experiments indicate that single replacement cycles do not reflect the actual state of oil quality in the context of its degradation. Monitoring the operational quality of the oil in several successive stages allows for a more accurate diagnosis of the optimal oil change time. Therefore, it was decided to investigate the relationship between two consecutive periods of changing the operating oil in an engine. Comparative tests of seven buses included in the fleet were carried out. An important division criterion was taken into account—the operation of city and intercity buses. The HDXRF instrumental chemical analysis method was used to determine changes in the content of abrasive metals, and additives in engine oils. Additionally, the oxidation, nitration, sulfonation, and soot content were assessed using infrared spectroscopy (FTIR) based on the ASTM E2414-10 standard and kinematic viscosity at 40 °C and 100 °C using a Stabinger viscometer according to ASTM D7042. The course of these changes was analyzed in terms of their dynamics. The comparative study aimed to identify trends and sources of differences between the tested oils, as well as to demonstrate the number of exceedances of limit values for the selected parameters.

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Rapid Fleet Condition Analysis through Correlating Basic Vehicle Tracking Data with Engine Oil FT-IR Spectra

Cited by 12 publications

References 34 publications

Detection of the possible engine damages in case of a continuous track military vehicles with tribological investigations

Detection of the possible engine damages in case of a continuous track military vehicles with tribological investigations

Varnish Formation and Removal in Lubrication Systems: A Review

Engine Oil Degradation in the Real-World Bus Fleet Test Based on Two Consecutive Operational Intervals

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