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| 1 | Tribological behaviour diagnostic and fault detection of mechanical seals based on acoustic emission measurements显示文摘Acoustic emission(AE) has been studied for monitoring the condition of mechanical seals by many researchers, however to the best knowledge of the authors, typical fault cases and their effects on tribological behaviour of mechanical seals have not yet been successfully investigated. In this paper, AE signatures from common faults of mechanical seals are studied in association with tribological behaviour of sealing gap to develop more reliable condition monitoring approaches. A purpose-built test rig was employed for recording AE signals from the mechanical seals under healthy and faulty conditions. The collected data was then processed using time domain and frequency domain analysis methods. The study has shown that AE signal parameters: root mean squared(RMS) along with AE spectrum, allows fault conditions including dry running, spring out and defective seal faces to be diagnosed under a wide range of operating conditions. However, when mechanical seals operate around their transition point, conventional signal processing methods may not allow a clear separation of the fault conditions from the healthy baseline. Therefore an auto-regressive(AR) model has been developed on recorded AE signals to classify different fault conditions of mechanical seals and satisfactory results have been perceived. | Hossein TOWSYFYAN Fengshou GU Andrew D BALL Bo LIANG | 2019 | Friction2019，7，6： | 10 |
| 2 | Comparison of Before and After Varicocelectomy Levels of Nitric Oxide in Seminal Fluid of Infertile Men显示文摘 | Hossein K Alireza D Mohammad A | 2012 | Nephrourol Mon2012，4，4： | 1 |
| 3 | Geochemical and geo-statistical assessment of selected heavy metals in the surface sedi- ments of the GorganBay, Iran显示文摘 | Kazem D B Hossein B Sarah H | 2012 | Marine Pollution Bulletin2012，64，12： | 1 |
| 4 | The development of MDA-7/IL-24 as a cancer therapeutic 显示文摘 | Paul D Adly Y Hossein A | 2010 | Pharmacology & Therapeutics2010，28，2： | 1 |
| 5 | Chaos prediction and control in MEMS resonators 显示文摘 | Haghighi S Hossein Amir H D Markazi | 2010 | Communications in Nonlinear Science and Numerical Simulation2010，15，10： | 1 |
| 6 | Distributed optimal dynamic base station positioning in wireless sensor networks显示文摘 | Hossein P D Zadeh C Schlegel MacGregor M H | | 0，，01： | 1 |
| 7 | Identifica tion of graft incompatibility of pear cultivars on quince rootstock by using isozymes banding pattern and starch显示文摘 | Hossein D G Farajollah S Hassanpour H | | 0，，01： | 1 |
| 8 | Determina- tion of indicators and standards for tourism impacts in protec- ted Karaj River,Iran显示文摘 | Mona A J Afshin D Hossein Shaban Ali Femi | 2012 | Tourism Managemnt2012，33，1： | 1 |
| 9 | New extendable single-stage muhi-input DC-DC/AC boost converter显示文摘 | SAEED D HOSSEIN H S GHAREHPETIAN G B | 2014 | IEEE Transactions on Power Electronics2014，29，2： | 1 |
| 10 | Effct of noise re- duction in measuring the linear and nonlinear dependen- cy of financial marieets显示文摘 | Hossein H Andreia D Mansoureh G | 2010 | Nonlinear Analysis: Real World Applications2010，11，1： | 1 |
| 11 | Percutaneous device closure of se- cundum atrial septal defect in older adults显示文摘 | Hossein D Andrew JB | 2012 | Am J Card- iovasc Dis2012，2，2： | 1 |
| 12 | Expression of astrocytic markers aquaporin 4 and connexin 43 is altered in brains of subjects with autism显示文摘 | S Hossein Fatemi MD Ph D Timothy D Folsom | | 0，，07： | 1 |
| 13 | Adsorption of thallium ( Ⅰ ) ions using eucalyptus leaves powder 显示文摘 | HOSSEIN D K HOSSEIN A | 2013 | Clean-Soil Air Water2013，41，7： | 1 |
| 14 | Coenzyme Q10 production in recombinant Escherichia coli strains engineered with a heterologous decaprenyl diphosphate synthase gene and foreign mevalonate pathway 显示文摘 | Hossein Shahbani Zahiri Sang Hwal Yoon Jay D | 2006 | Metabolic Engineering2006，8，： | 1 |
| 15 | Langerhans cells histiocytosis in one family显示文摘 | SHAHLA A PARVANEH V HOSSEIN H D | 2004 | Pediatr Hematol Oncol2004，21，4： | 1 |
| 16 | Flood wave modeling based on a two-dimensional mod- ified wave propagation algorithm coupled to a full-pipe network solver 显示文摘 | Hossein mahdizadeh Peter K Stansby Benedict D Rog- ers | 2012 | Journal of Hydraulic Engineering2012，138，： | 1 |
| 17 | The rapid synthesis of thiomorpholides by Willgerodt-Kindler reaction under microwave heating显示文摘 | Masound N Kioumars A Hossein R D | 1999 | Tetrahedron Letters1999，40，42： | 1 |
| 18 | A sampling theorem approach to traffic sensor optimization 显示文摘 | LEOW W L NI D H HOSSEIN P N | 2008 | Transactions on Intelligent Transportation Systems2008，9，2： | 1 |
| 19 | Use of troponin-T concentration and kinase isofirms for quantitation of myocardial injury induced by radiofrequency catheter ablation 显示文摘 | KATRITSIS D HOSSEIN N M ANASTASAKIS A | 1997 | Eur Heart J1997，18，5： | 1 |
| 20 | A system dynamics modeling for urban air pollution: A case study of Tehran, Iran 显示文摘 | HAMED V A SALMAN J HOSSEIN D | 2014 | Transportation Research Part D2014，，31： | 1 |
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