Oil filter debris analysis of aero-engine

Wang, Qing; Jingshun, Duanmu; Zhu, Zengwei; Ge, Xiaokai

doi:10.1109/icrms.2011.5979315

Cited by 3 publications

(3 citation statements)

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“…The filtration accuracy of oil filter refers to the size of smallest solid particles that can be filtered out. The oil filter can be divided into rough oil filter (10 ≤ d < 100μm), ordinary oil filter (5 ≤ d < 10μm), high-precision oil filter (1 ≤ d < 5μm), and ultra-precision oil filter (d < 1μm), where d is the diameter of the smallest solid particles [19]. The commonly used oil filters are listed in Table Ⅰ [20].…”

Section: A Removing Solid Particlesmentioning

confidence: 99%

Design and Analysis of the Multifunctional Oil-Injection Equipment for Deep-Sea Hydraulic Systems

et al. 2020

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Hydraulic systems have been frequently used in deep-sea equipment because of their renowned long service life, stable and reliable performance. However, impurities contained in hydraulic oil, such as solid particles, gas and water, would jeopardize work efficiency of deep-sea hydraulic systems, and in some extreme cases even cause failure of the whole system, resulting in breakdown of crucial deep-sea equipment. Therefore, this paper aims to present a device, multifunctional oil-injection equipment (MOIE), expected to be able to purify hydraulic oil in deep-sea hydraulic systems. Its major functions are to absorb oil, remove impurities and fill oil, among which the removal of water and gas, i.e. dewatering and degassing, is of significance. Theoretical analysis shows that the paper oil filter is able to remove the solid particles in hydraulic oil, and degassing and dewatering of hydraulic oil could be achieved through vacuum filtration and vacuum heating in high-temperature and low-pressure environment. The prototype of the MOIE is designed and manufactured. The results from laboratory experiments indicate that this equipment can effectively remove solid particles, gas and water from hydraulic oil. This study ensures the stability, safety and reliability of the deep-sea hydraulic system by improving the quality of hydraulic oil.

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Section: A Removing Solid Particlesmentioning

confidence: 99%

Design and Analysis of the Multifunctional Oil-Injection Equipment for Deep-Sea Hydraulic Systems

et al. 2020

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“…The lubricating oil system is important in aeroengines because the metal dust content in the system contains considerable inner working information of aeroengines. 1 The potential mechanical fault in aviation engines can be detected in advance through the detection of metal dust content in the lubricating oil, thereby providing a powerful guarantee for flight safety. Online detection 2 of lubricating oil dust and fault prediction should be able to work under harsh environments, such as temperature and vibration of aeroengines.…”

Section: Introductionmentioning

confidence: 99%

Measuring impurity content in pipelines by positron annihilation

Zhao

et al. 2020

Measurement and Control

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γ photon pairs produced by positron annihilation can penetrate metals well; thus, they can be used for nondestructive detection of the inner state of metal pipelines. An experimental device is designed to simulate the working state of lube oil pipelines and inject nuclide into it. A symmetrical structure and a ratio algorithm are proposed considering the effects of various factors. Two sensors with good consistency are used to record the number of γ photon events in liquids with and without impurities. The ratio of the recorded events of reference and impurity sensors is taken as the test result of impurity content. The advantage of the method proposed in this paper is that it can eliminate the environmental error and inconsistency of the sensors by using ratio calculation and improve the measurement accuracy. Experimental results show that the proposed detection scheme and algorithm can well detect impurity content, including metal, in various pipelines. The detection accuracy of matched sensors can exceed 2%. Detected impurities are not limited to metal particles. Thus, the proposed method can be applied to in situ and online detection of impurities in oil piping systems equipped with engines.

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“…However, most Chinese vessels have not equipped with on-line oil quality testing facilities. Oil quality testing is generally judged by experience, offline laboratory testing or periodic oil filter [2]. These methods can not detect the degree of oil deterioration, which is a potential safety hazard to the operation of the equipment.…”

Section: Introductionmentioning

confidence: 99%

Research of Oil Quality Online Monitoring System

Luo

Xiao

2014

AMM

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The quality of oil determines the status and life of the devices. However, most Chinese vessels have not equipped with on-line oil quality testing facilities. Therefore, a special on-line oil quality monitoring system for vessels is designed to real-time monitor of oil pollution change. An alarm signal or control signal based on the monitoring results is sent, which supports the purifier automatically and water, particles and gases are removed from the oil to maintain a good oil quality. The system is developed and implemented in the vessel corporation and has a good prospect of application. The application of this system will promote the process of the intelligent device management.

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Oil filter debris analysis of aero-engine

Cited by 3 publications

References 0 publications

Design and Analysis of the Multifunctional Oil-Injection Equipment for Deep-Sea Hydraulic Systems

Design and Analysis of the Multifunctional Oil-Injection Equipment for Deep-Sea Hydraulic Systems

Measuring impurity content in pipelines by positron annihilation

Research of Oil Quality Online Monitoring System

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