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Diagnostyka
2005 Vol. 33 135--140
PL Istotnym elementem podsystemu diagnostycznego urządzeń technicznych są pokładowe i stacjonarne systemy rozpoznawania ich stanów. Niniejsza praca jest poświęcona klasyfikacji przeznaczeniu, budowie i funkcjonowaniu tych systemów.
EN The on-board and stationary systems identifying machines technical state are the essential elements of the technical devices diagnostic subsystem. The following work is dedicated to use classification, building and functioning of the systems.
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Zeszyty Naukowe Akademii Marynarki Wojennej
PL W artykule przedstawiony jest opis silnika pomocniczego LEYLAND typu SW400 zainstalowanego na stanowisku laboratoryjnym w Akademii Marynarki Wojennej. Dokonano analizy możliwości realizacji pomiarów parametrów gazodynamicznych w kanale spalin wylotowych, przedstawiono możliwości systemu pomiaru i re[...]
EN The paper presents a description of auxiliary engines SW400 installed in the laboratory of Polish Naval Academy, an analysis of possibility to measure gas dynamical parameters of an exhaust in a discharge channel, capabilities of the system to measure and register fast changing parameters MA2005 and[...]
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Journal of KONES
2013 Vol. 20, No. 3 221--228
EN The paper describes standard methods of diagnosing of the AMV (the Rosomak) drive unit technical condition used in daily operation in military missions in Afghanistan. Main rule of the method of diagnosing of the vehicle technical condition is using an external diagnosing system. This system is conn[...]
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Journal of KONES
EN Transform the way of visual indication of vehicle traction parameters and the introduction of instinctive, concentrated in one place on-board device service is now possible following the development of microprocessor systems. Centralize system for diagnosis and control of the vehicle in a single des[...]
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Journal of KONES
EN In the paper has been presented the analysis of diagnostic utility of signals, deriving from torque (measured value is an instantaneous shaft's torsion angle, torque value is subsequently calculated basing on shaft's steel Kirhoff's modulus or Young's modulus values) and angular acceleration of the [...]
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Journal of KONES
EN Vibro-acoustic diagnostic methods which are used on marine high-speed diesel engines with turbochargers are presented in this paper. Vibration and acoustic signals generated by turbochargers need different signal processing methods to be effective and faultless in turbochargers diagnostics. Diagnost[...]
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Elektro Info
2013 nr 9 40--48
PL Na podstawie doświadczeń zebranych w ostatnich sześciu latach wśród różnych operatorów sieci elektroenergetycznych, producentów kabli i prac prowadzonych przez międzynarodowe organizacje normalizacyjne, w artykule opisano kilka aspektów badań diagnostycznych on-site kabli elektroenergetycznych wysok[...]
EN Based on the international experiences as collected in the last 6 years at different power grids, cable manufacturers and normalisation work of international bodies, this contribution focuses on several fundamental and applied aspects of on-site testing and diagnosis of new and service aged HV power[...]
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Maszyny Elektryczne : zeszyty problemowe
EN This article presents the idea of applying of the mathematical model of synchronous generator for diagnostics and settings tests of marine automatic voltage regulator (AVR). The algorithm of the authors numeric method named ‘the average step voltages’ is introduced. The model application and its phy[...]
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Prace Naukowe Instytutu Górnictwa Politechniki Wrocławskiej. Konferencje
PL W pracy przedstawiono nowe możliwości monitorowania stanu i diagnostyki przekładni zębatych. Badania nad nowymi możliwościami oparte są o symulację komputerową. Przedstawiono model matematyczny dla układu maszyny, w którego skład wchodzi jednostopniowa przekładnia zębata. Rezultaty symulacji kompute[...]
EN The paper deals with some new possibilities of gearboxes condition monitoring and diagnostics. Investigations into the new possibilities are based mathematical modelling and computer simulation. A mathematical model for a machinery system with a single-stage gearbox system is presented. Results of c[...]
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Journal of KONBiN
2006 No. 1 5--18
EN The use of complex technologies, including mechanical and electronic components, doesn’t often permit an early and effective detection of the failures. This tendency underlines the necessity to enrich the probabilistic analysis, based solely on a-priori information, with diagnostic methodologies and[...]
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Journal of Machine Engineering
EN A wide range of abrasive tools is used in modern removal machining techniques. Their condition has significant influence on the quality of the shaped surfaces of the produced elements and the functions they perform. Abrasive tools diagnostics is in this case an essential element of the production pr[...]
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Journal of KONES
EN The paper presents an attempt to evaluate the wear of piston-cylinder assembly with the aid of vibration signal recorded on spark ignition (SI) engine body. The subject of the study was a four-cylinder combustion engine 1.2 dm3. Diagnosing combustion engines with vibration methods is specifically di[...]
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Journal of KONES
EN Marine diesel engines have changed their construction last years because of electronic control implementation in fuelling process. Electronic control implementation could be also important in valve gear mechanism which is main part of the engine gas es exchange system. In this paper problems connect[...]
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Journal of KONES
EN This article presents the attempt to detect the valve faults in the engine by using the vibroacoustic signal registered on the si engine block. the object of the research was 4-cylinder 4-stroke with eight valves 1.3 l SI engine. the vibration energy casedby combustion process depends on the average[...]
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Journal of KONES
EN The paper presents results of investigations and the assessment of multi-stage fuel injection in MultiJet 1.3 engine operating under load conditions. Basic work parameters of the examined piston internal combustion engine, such as: effective power, torque, hour and unit fuel consumption and the conc[...]
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Journal of KONES
EN The processes associated with operation of turbinę avionic engines entail the occurrence of various defects affecting turbine components, in particular turbine vanes. The main reasons for defects and deterioration of gas turbine vanes include thermal fatigue and overheating of the vane material. Thi[...]
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Journal of KONES
EN Combustion processes of liquid fuels are more complicated than gases fuels ones. With reference to liquid fuels appear additionally fuel vaporization processes and e.g. with reference to solid fuels - decomposition of the solid phase with processes melting, vaporization, pyrolysis, or gasification. [...]
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Diagnostyka
2009 nr 1(49) 57-61
PL Ocena stanu technicznego przekładni zębatych jest ważna, ponieważ są one powszechnie stosowane w różnych maszynach i urządzeniach, które bardzo często pełnią odpowiedzialne funkcje. Obiektem badań była przekładnia jednostopniowa kątowa, badania odbyły się na stanowisku przemysłowym. Analiza w dziedz[...]
EN Assessment of the technical condition of gear transmissions is important because they are widely used in various machines and devices that often perform functions of great significance. The object of the study was an intersecting bevel gear pair, and testing was carried out using a stand. Analysis o[...]
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Journal of KONES
EN The paper presents results of the calculation, based on simplified engine model, aimed on prediction of IAS (Instantaneous Angular Speed) of the crankshaft fluctuations under faulty engine condition. Gas forces were calculated basing on results of in-cylinder pressure measurements which were used as[...]
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Journal of KONES
2013 Vol. 20, No. 1 193--200
EN Results of studies that aim was to develop a diagnostic method for WOLA marine diesel engines type H are presented in this paper. These engines are high-speed type units used to drive small vessels or more often to drive ship generators. Polish Navy is operating significant number engines of this ty[...]
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