Journal ArticleDOI
Gerotor pump cavitation monitoring and fault diagnosis using vibration analysis through the employment of auto-regressive-moving-average technique
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TLDR
The diagnosis results have demonstrated the ability of the proposed mathematical technique in the identification of cavitation phenomena proving that the proposed approach is a useful methodology to detect the presence of fault.About:
This article is published in Simulation Modelling Practice and Theory.The article was published on 2017-02-01. It has received 36 citations till now. The article focuses on the topics: Gerotor & Oil pump.read more
Citations
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Journal ArticleDOI
Step-by-Step Fuzzy Diagnosis Method for Equipment Based on Symptom Extraction and Trivalent Logic Fuzzy Diagnosis Theory
TL;DR: A step-by-step fuzzy diagnostic method based on frequency-domain symptom extraction and trivalent logic fuzzy diagnosis theory (TLFD), which is established by combining the trivalENT logic inference theory with the possibility and fuzzy theories, is proposed herein.
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Light neural network with fewer parameters based on CNN for fault diagnosis of rotating machinery
TL;DR: An improved fault diagnosis method based on CNN for rotating machineries, called the light neural network (LiNet), with fewer parameters is proposed, which is more accurate and achieves nearly 100% accuracy with normal signals while maintaining good performance under different working loads.
Journal ArticleDOI
A Review of Gerotor Technology in Hydraulic Machines
TL;DR: In this article, a review of the literature from the last decade focusing on the articles published in the past five years on gerotor technology in hydraulic machines is presented, with a catalogue of guidelines based on the trochoidal-envelope definition, a background analysis, the worldwide distribution of articles in each continent and country and the most frequently used keywords in the field.
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Internal unsteady flow characteristics of centrifugal pump based on entropy generation rate and vibration energy
TL;DR: The transient fluid exciting force induced by unsteady flow in the centrifugal pump is the only exciting force that cannot be effectively eliminated as discussed by the authors, and this force cannot be eliminated.
Journal ArticleDOI
Diagnostic method by using vibration analysis for pump fault detection
TL;DR: The presented outcomes demonstrate the ability of the proposed algorithm in accurately detect the presence of cavitation phenomena and to determine its intensity in pump real time operation, suggesting it may be a powerful tool for early detection of pumps incipient faults.
References
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Book
Cavitation and Bubble Dynamics
TL;DR: In this paper, the fundamental physical processes involved in bubble dynamics and the phenomenon of cavitation are described and explained, and a review of the free streamline methods used to treat separated cavity flows with large attached cavities is provided.
Book ChapterDOI
Statistical Predictor Identification
TL;DR: In this paper, a simple practical procedure of predictor identification has been proposed and a theoretical and empirical basis for the procedure is provided, as well as a theoretical analysis of the procedure.
Journal ArticleDOI
Mathematical Basis and Validation of the Full Cavitation Model
TL;DR: In this paper, the authors present the full cavitation model, which accounts for all the first-order effects of cavitation and is called as the full-cavitation model and the phase change rate expressions are derived from a reduced form of Rayleigh-Plesset equation for bubble dynamics.
Journal ArticleDOI
Demonstration and Validation of a 3D CFD Simulation Tool Predicting Pump Performance and Cavitation for Industrial Applications
TL;DR: In this article, a new generation CFD tool for pump cavitation simulation, using an axial flow water pump as a demonstration case, is presented and discussed using a novel CFD methodology and advanced cavitation model.