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Tytuł:
Gas turbine vibration monitoring based on real data and neuro-fuzzy system
Autorzy:
Nail, Bachir
Djaidir, Benrabeh
Tibermacine, Imad Eddine
Napoli, Christian
Haidour, Nabil
Abdelaziz, Rabehi
Powiązania:
https://bibliotekanauki.pl/articles/27313823.pdf
Data publikacji:
2024
Wydawca:
Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:
vibration analysis
gas turbine
centrifugal compressor
neuro-fuzzy system
ANFIS
Opis:
The gas turbine is considered to be a very complex piece of machinery because of both its static structure and the dynamic behavior that results from the occurrence of vibration phenomena. It is required to adopt monitoring and diagnostic procedures for the identification and localization of vibration flaws in order to ensure the appropriate operation of large rotating equipment such as gas turbines. This is necessary in order to avoid catastrophic failures and deterioration and to ensure that proper operation occurs. Utilizing an approach that is based on spectrum analysis, the purpose of this study is to provide a model for the monitoring and diagnosis of vibrations in a GE MS3002 gas turbine and its driven centrifugal compressor. This will be done by utilizing the technique. Following that, the collection of vibration measurements for a model of the centrifugal compressor served as a suggestion for an additional method. This method is based on the neuro-fuzzy approach type ANFIS, and it aims to create an equivalent system that is able to make decisions without consulting a human being for the purpose of detecting vibratory defects. In spite of the fact that the compressor that was investigated has flaws, this procedure produced satisfactory results.
Źródło:
Diagnostyka; 2024, 25, 1; art. no. 202410
1641-6414
2449-5220
Pojawia się w:
Diagnostyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A comparative study based on proportional integral and backstepping controllers for doubly fed induction generator used in wind energy conversion system
Autorzy:
Moumani, Youssef
Laafou, Abdeslam Jabal
Madi, Abdessalam Ait
Powiązania:
https://bibliotekanauki.pl/articles/2202553.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
backstepping control
control
Doubly FedInduction
Grid Side Converter
MPPT
Maximum Power Point Tracking
PI
Rotor Side Converter
wind turbine
Opis:
This paper presents a comparative study between the conventional PI (Proportional Integral) and backstepping controllers applied to the DFIG (Doubly Fed Induction Generator) used in WECS (Wind Energy Conversion System). These two different control strategies proposed in this work are developed to control the active and reactive power of the DFIG on the one hand, and to maintain the DC-link voltage constant for the inverting function on the other hand. This is ensured by generating control signals for two power electronic converters, RSC (Rotor Side Converter) and GSC (Grid Side Converter). In order to optimise the power production in the WT (Wind Turbine), an MPPT (Maximum Power Point Tracking) algorithm is applied along with each control technique. To simulate the effectiveness of the proposed controllers, MATLAB/Simulink Software is used, and the obtained results are analysed and discussed to compare PI and backstepping controllers in terms of robustness against wind speed variations and tracking performance in dynamic and steady states.
Źródło:
Archives of Electrical Engineering; 2023, 72, 1; 211--228
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An integrated study for solving high vibration problem of a deep well turbine pump
Autorzy:
El-Gazzar, Dalia M.
Powiązania:
https://bibliotekanauki.pl/articles/2203638.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:
vibration analysis
finite element analysis
modal analysis
resonance
vertical turbine pump
analiza drgań
analiza elementów skończonych
analiza modalna
rezonans
Opis:
Mechanical vibrations are a common problem encountered in many machines, especially for vertical turbine pumps. These pumps are generally difficult to stiffen or damp, but the effective diagnosis must begin with an understanding of the underlying vibratory sources. In the present work, a deep well vertical turbine pump experienced extremely high vibrations for a long time although it still being new. It hasn't been in operation for over 6 months. The pump system suffers from extremely high vibration levels relative to the rotational speed (1X motor dominant frequency). An efficient strategy was implemented by using well-conceived techniques. The experimental modal analysis confirmed a presence of a natural frequency. Modifications were carried out to overcome resonance. Finite element analysis was done to determine the reed critical frequencies as a powerful tool to identify and mitigate vibration issues. On-site motor balancing was done to remove vibrations due to the residual imbalance. Results revealed decreasing vibration level by about 66% after solving all problems.
Źródło:
Diagnostyka; 2023, 24, 2; art. no. 2023209
1641-6414
2449-5220
Pojawia się w:
Diagnostyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An intelligent approach to short-term wind power prediction using deep neural networks
Autorzy:
Niksa-Rynkiewicz, Tacjana
Stomma, Piotr
Witkowska, Anna
Rutkowska, Danuta
Słowik, Adam
Cpałka, Krzysztof
Jaworek-Korjakowska, Joanna
Kolendo, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/23944826.pdf
Data publikacji:
2023
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:
renewable energy
wind energy
wind power
wind turbine
short-term wind power prediction
deep learning
convolutional neural networks
gated recurrent unit
hierarchical multilayer perceptron
deep neural networks
Opis:
In this paper, an intelligent approach to the Short-Term Wind Power Prediction (STWPP) problem is considered, with the use of various types of Deep Neural Networks (DNNs). The impact of the prediction time horizon length on accuracy, and the influence of temperature on prediction effectiveness have been analyzed. Three types of DNNs have been implemented and tested, including: CNN (Convolutional Neural Networks), GRU (Gated Recurrent Unit), and H-MLP (Hierarchical Multilayer Perceptron). The DNN architectures are part of the Deep Learning Prediction (DLP) framework that is applied in the Deep Learning Power Prediction System (DLPPS). The system is trained based on data that comes from a real wind farm. This is significant because the prediction results strongly depend on weather conditions in specific locations. The results obtained from the proposed system, for the real data, are presented and compared. The best result has been achieved for the GRU network. The key advantage of the system is a high effectiveness prediction using a minimal subset of parameters. The prediction of wind power in wind farms is very important as wind power capacity has shown a rapid increase, and has become a promising source of renewable energies.
Źródło:
Journal of Artificial Intelligence and Soft Computing Research; 2023, 13, 3; 197--210
2083-2567
2449-6499
Pojawia się w:
Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of terrestrial laser scanning measurements for wind turbine blade condition surveying
Autorzy:
Stałowska, Paulina
Suchocki, Czesław
Zagubień, Adam
Powiązania:
https://bibliotekanauki.pl/articles/27311749.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
Terrestrial Laser Scanning
TLS
intensity parameter
measurement methodology
wind turbine blades
condition surveying
defects detection
Opis:
Wind turbines are among the key equipment needed for eco-friendly generation of electricity. Maintaining wind turbines in excellent technical condition is extremely important not only for safety but also for efficient operation. Studies indicate that defects in the external structure of a turbine blade reduce energy production efficiency. This research investigated the potential of the terrestrial laser scanning technology to examine the technical conditions of wind turbine blades. The main aim of the study was to examine whether terrestrial laser scanning measurements can be valuable for wind turbine blade condition surveying. The investigation was based on the radiometric analyses of point clouds, which forms the novelty of the present study. Condition monitoring focuses on the detection of defects, such as cracks, cavities, or signs of erosion. Moreover, this study consisted of two stages. The next objective entailed the development and examination of two different measurement methods. It was then identified which method is more advantageous by analysing their effectiveness and other economic considerations.
Źródło:
Metrology and Measurement Systems; 2023, 30, 3; 403--422
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
ARMAX-based identification and diagnosis of vibration behavior of gas turbine bearings
Autorzy:
Mahroug, Youcef
Khaldi, Belgacem Said
Guemana, Mouloud
Hafaifa, Ahmed
Iratni, Abdelhamid
Colak, Ilhami
Powiązania:
https://bibliotekanauki.pl/articles/11025752.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:
system identification
ARMAX
parametric estimation
gas turbine
vibration modelling
turbina gazowa
modelowanie drgań
estymacja parametryczna
identyfikacja systemu
Opis:
Parametric identification approaches play a crucial role in the control and monitoring of industrial systems. They facilitate the identification of system variables and enable the prediction of their evolution based on the input-output relationship. In this study, we employ the ARMAX approach to accurately predict the dynamic vibratory behavior of MS5002B gas turbine bearings. By utilizing real input-output data obtained from their operation, this approach effectively captures the vibration characteristics of the bearings. Additionally, the ARMAX technique serves as a valuable diagnostic tool for the bearings, enhancing the quality of identification of turbine variables. This enables continuous monitoring of the bearings and real-time prediction of their behavior. Furthermore, the ARMAX approach facilitates the detection of all potential vibration patterns that may occur in the bearings, with monitoring thresholds established by the methodology. Consequently, this enhances the availability of the bearings and reduces turbine downtime. The efficacy of the proposed ARMAX approach is demonstrated through comprehensive results obtained in this study. Robustness tests are conducted, comparing the real behavior observed through various probes with the reference model, thereby validating the approach.
Źródło:
Diagnostyka; 2023, 24, 3; art. no. 2023310
1641-6414
2449-5220
Pojawia się w:
Diagnostyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badania ultradźwiękowe Phased Array zaczepów choinkowych stopek łopat stopni L-0 po stronie turbiny i generatora w elektrowni jądrowej w Szwecji
Ultrasonic Phased Array inspection of fir-tree blade roots on L-O stages, both turbine and generator sides in nuclear power plant in Sweden.
Autorzy:
Cybulski, Mateusz
Lipnicki, Marek
Mroczek, Krzysztof
Obłąkowski, Rafał
Powiązania:
https://bibliotekanauki.pl/articles/29433332.pdf
Data publikacji:
2023
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
badania nieniszczące
badania ultradźwiękowe
badania
Phased Array
elektrownia jądrowa
wirnik turbiny energetycznej
nondestructive testing
ultrasonic testing
phased array testing
nuclear power plant
energetic turbine rotor testing
Opis:
W referacie autorzy przedstawiają prace badawczo-rozwojowe zmierzające do opracowania systemu ze skanerem i głowicą wieloelementową, procesu walidacji, procedury badawczej oraz wykonanie badań zaczepów choinkowych, łukowych stopek łopat zamontowanych na wirnikach niskoprężnych (NP) turbiny podczas postoju remontowego w elektrowni jądrowej w Szwecji.
In this paper, authors present research and development (R&D) work done for creating complete testing system including advanced scanner and array probe, validation process, testing procedure and conducting inspection of fir-tree hooks on curved grooves of L-0 blades roots mounted on low pressure (LP) turbine rotors, during overhaul downtime in nuclear powerplant in Sweden.
Źródło:
Badania Nieniszczące i Diagnostyka; 2023, 1-4; 56--61
2451-4462
2543-7755
Pojawia się w:
Badania Nieniszczące i Diagnostyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Conditions for increasing the recognition of degradation in thermal-flow diagnostics, taking into account environmental legal aspects
Autorzy:
Drosińska-Komor, Marta
Głuch, Jerzy
Brzezińska-Gołębiewska, Katarzyna
Piotrowicz, Michał
Ziółkowski, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/41181077.pdf
Data publikacji:
2023
Wydawca:
Politechnika Warszawska, Instytut Techniki Cieplnej
Tematy:
steam turbine
genethic algorithm
diagnostic
coal-fired power plant
efficiency analysis
turbina parowa
algorytm genetyczny
diagnostyka
elektrownia węglowa
Opis:
The ever-increasing demand for electricity and the need for conventional sources to cooperate with renewable ones generates the need to increase the efficiency and safety of the generation sources. Therefore, it is necessary to find a way to operate existing facilities more efficiently with full detection of emerging faults. These are the requirements of Polish, European and International law, which demands that energy facilities operate with the highest efficiency and meet a number of restrictive requirements. In order to improve the operation of steam power plants of electric generating stations, thermal-fluid diagnostics have been traditionally used, and in this paper a three-hull steam turbine, having a high-pressure, a medium-pressure and a low-pressure part, has been selected for analysis. The turbine class is of the order of 200 MW electric. Genetic algorithms (GA) were used in the process of creating the diagnostic model. So far, they have been used for diagnostic purposes in gas turbines, and no work has been found in the literature using GA for the diagnostic process of such complex objects as steam turbines located in professional manufacturing facilities. The use of genetic algorithms allowed rapid acquisition of global extremes, that is efficiency and power of the unit. The result of the work undertaken is the possibility to carry out a full diagnostic process, meaning detection, localization and identification of single and double degradations. In this way 100 % of the main faults are found, but there are sometimes additional ones, and these are not perfectly identified especially for single time detection. Thus, the results showed that with a very high success rate the simulated damage to the geometrical elements of the steam turbine under study is found.
Źródło:
Journal of Power Technologies; 2023, 103, 1; 33-48
1425-1353
Pojawia się w:
Journal of Power Technologies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Considerations regarding qiling system for offshore wind turbines
Autorzy:
Panaitescu, M.
Panaitescu, F. V.
Panait, P. G.
Scupi, A.
Powiązania:
https://bibliotekanauki.pl/articles/24201414.pdf
Data publikacji:
2023
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
modeling and simulations
simulation study
wind turbine
lubricating oil system
wind loads
wind influence
floating wind farms
lubricating oil analysis
Opis:
Power from renewable sources would play a key role in the future of electricity .The wind energy is one of the goal of EU's commitment, which want to develop offshore wind potential [1], [2]. Lubrication of wind turbines is very important for maintenance [3] . The purpose of this paper is to present some considerations about monitoring oiling system. This system monitors kinematic data in real time. The importance of monitoring real data with this system help us to simulate lubrication for various types of wind turbine reducers in order to choose the optimal form of the lubrication system and for good maintenance.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 3; 563--567
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ensemble of feature extraction methods to improve the structural damage classification in a wind turbine foundation
Autorzy:
Leon-Medina, Jersson X.
Parés, Núria
Anaya, Maribel
Tibaduiza, Diego A.
Pozo, Francesc
Powiązania:
https://bibliotekanauki.pl/articles/27311417.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
structural health monitoring
wind turbine foundation
damage classification
machine learning
feature extraction
XGBoost
monitorowanie stanu konstrukcji
fundament turbiny wiatrowej
klasyfikacja uszkodzeń
uczenie maszynowe
ekstrakcja cech
Opis:
The condition monitoring of offshore wind power plants is an important topic that remains open. This monitoring aims to lower the maintenance cost of these plants. One of the main components of the wind power plant is the wind turbine foundation. This study describes a data-driven structural damage classification methodology applied in a wind turbine foundation. A vibration response was captured in the structure using an accelerometer network. After arranging the obtained data, a feature vector of 58 008 features was obtained. An ensemble approach of feature extraction methods was applied to obtain a new set of features. Principal Component Analysis (PCA) and Laplacian eigenmaps were used as dimensionality reduction methods, each one separately. The union of these new features is used to create a reduced feature matrix. The reduced feature matrix is used as input to train an Extreme Gradient Boosting (XGBoost) machine learning-based classification model. Four different damage scenarios were applied in the structure. Therefore, considering the healthy structure, there were 5 classes in total that were correctly classified. Five-fold cross validation is used to obtain a final classification accuracy. As a result, 100% of classification accuracy was obtained after applying the developed damage classification methodology in a wind-turbine offshore jacket-type foundation benchmark structure.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2023, 71, 3; art. no. e144606
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exploration of a model thermoacoustic turbogenerator with a bidirectional turbine
Autorzy:
Korobko, Volodymyr
Serbin, Serhiy
Le, Huu Cuong
Powiązania:
https://bibliotekanauki.pl/articles/34604689.pdf
Data publikacji:
2023
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
waste heat recovery
ship power plant
thermoacoustics
thermoacoustic engine
bidirectional turbine
Opis:
The utilisation of the thermal emissions of modern ship power plants requires the development and implementation of essentially new methods of using low-temperature waste heat. Thermoacoustic technologies are able to effectively use lowtemperature and cryogenic heat resources with a potential difference of 500–111 K. Thermoacoustic heat machines (TAHMs) are characterised by high reliability, simplicity and environmental safety. The wide implementation of thermoacoustic energy-saving systems is hampered by the low specific power and the difficulties of directly producing mechanical work. An efficient approach to converting acoustic energy into mechanical work entails the utilisation of axial pulse bidirectional turbines within thermoacoustic heat engines. These thermoacoustic turbogenerators represent comprehensive systems that consist of thermoacoustic primary movers with an electric generator actuated by an axial-pulse bidirectional turbine. The development of such a thermoacoustic turbogenerator requires several fundamental issues to be solved. For this purpose, a suitable experimental setup and a 3D computational fluid dynamics (CFD) model of a thermoacoustic engine (TAE) with bidirectional turbines were created. The research program involved conducting physical experiments and the CFD modelling of processes in a TAE resonator with an installed bidirectional turbine. The boundary and initial conditions for CFD calculations were based on empirical data. The adequacy of the developed numerical model was substantiated by the results of physical experiments. The CFD results showed that the most significant energy losses in bidirectional turbines are manifested in the output grid of the turbine.
Źródło:
Polish Maritime Research; 2023, 4; 102-109
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of impeller blade rounding and surface roughness on the internal hydraulics and performance of pump as turbine
Autorzy:
Gaji, Rahul
Doshi, Ashish
Bade, Mukund
Singh, Punit
Powiązania:
https://bibliotekanauki.pl/articles/27309885.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
pump as turbine
impeller blade rounding
CFD analysis of PAT
simple modifications in PAT
hydraulic analysis
pompa jako turbina
zaokrąglenie łopatek wirnika
Analiza CFD PAT
proste modyfikacje w PAT
analiza hydrauliczna
Opis:
The Pump As Turbine (PAT) is an important technology for low-cost micro-hydropower and energy recovery, and hence the internal hydraulics of PAT needs to be clearly understood. Additionally, during its operation, the sediments in the water increase the roughness of the internal surfaces and may alter the internal hydraulics and PAT performance similar to a centrifugal pump or Francis turbine. The researchers tried hard to perform simple modifications such as impeller blade rounding to increase the efficiency of PAT. In this paper, the developed test rig is used to analyze the performance of the impeller blade rounding and is validated with a numerical model. This numerical model is further used to study the influence of impeller blade rounding and surface roughness on internal hydraulics and PAT performance. The impeller blade rounding at the most increased the PAT efficiency by 1-1.5 % at the Best efficiency point (Q=16.8 lps), mainly due to the wake reduction on the suction side and increased flow area. With increasing the surface roughness from 0-70 μm, the PAT efficiency is decreased maximum by 4 %. The efficiency was mainly reduced due to increased hydraulic losses at flow zone and disk friction losses at the non-flow zone.
Źródło:
Archive of Mechanical Engineering; 2023, LXX, 2; 219--245
0004-0738
Pojawia się w:
Archive of Mechanical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of the efficiency of a dual-fuel gas turbine combustion chamber with a plasma‒chemical element
Autorzy:
Serbin, Serhiy
Diasamidze, Badri
Dzida, Marek
Chen, Daifen
Powiązania:
https://bibliotekanauki.pl/articles/32921246.pdf
Data publikacji:
2023
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
gas turbine engine
power plant
dual-fuel combustion
combustion chamber
liquid fuel
gaseous fuel
plasma-assisted combustion
Opis:
The study is devoted to the possibility of increasing the efficiency of the working process in dual-fuel combustion chambers of gas turbine engines for FPSO vessels. For the first time, it is proposed to use the advantages of plasma‒chemical intensification of the combustion of hydrocarbon fuels in the dual-fuel combustion chambers, which can simultaneously operate on gaseous and liquid fuels. A design scheme of a combustion chamber with a plasma‒chemical element is proposed. A continuous type mathematical model of a combustion chamber with a plasma‒chemical element has been developed, which is based on the solution of a system of differential equations describing the processes of chemical reactions in a turbulent system, taking into consideration the initiating effect of the products of plasma‒chemical reactions on the processes of flame propagation. A modified six-stage kinetic scheme of hydrocarbon oxidation was used to simultaneously predict the combustion characteristics of the gaseous and liquid fuels, taking into account the decrease in the activation energy of carbon monoxide oxidation reactions when the products of the plasma‒chemical element are added. The results reveal that the addition of plasma‒chemical products significantly reduces CO emissions in the outlet section of the flame tube (from 25‒28 ppm to 3.9‒4.6 ppm), while the emission of nitrogen oxides remains practically unchanged for the studied combustion chamber. Further research directions are proposed to enhance the working process efficiency of a dual-fuel combustion chamber for gas turbine engines as part of the power plant of FSPO vessels.
Źródło:
Polish Maritime Research; 2023, 2; 68-75
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Michaiła Bułhakowa droga do filmu
Mikhail Bulgakov’s Road to Film
Autorzy:
Przebinda, Igor
Powiązania:
https://bibliotekanauki.pl/articles/29433445.pdf
Data publikacji:
2023
Wydawca:
Karpacka Państwowa Uczelnia w Krośnie
Tematy:
The White Guard
Turbine Days
The Master and Margarita
Bulgakov filmmaking
Bulgakov screenplays
Bulgakov adaptations
Bulgakov
Biała Gwardia
Dni Turbinów
Mistrz i Małgorzata
filmowość Bułhakowa
scenariusze Bułhakowa
ekranizacje Bułhakowa
Bułhakow
Opis:
W niniejszym artykule podjęta została próba naszkicowania obrazu twórczości literackiej (prozatorskiej i dramaturgicznej) Michaiła Bułhakowa, wraz z jej tłem historyczno-politycznym, jako wstępu do jego własnej przygody z filmem oraz późniejszych, już pośmiertnych, ekranizacji jego dzieł – na czele z Mistrzem i Małgorzatą. Przy takim ujęciu przejście Bułhakowa od prozy (Biała Gwardia) do dramaturgii (Dni Turbinów) może się jawić jako dopiero pierwszy krok ku jego przygodzie z filmem. Wydaje się bowiem, że droga od powieści przez dramat do filmu jest znacznie łatwiejsza niż bezpośrednia droga od powieści do filmu. Zarysowane zostały tu zatem zarówno konteksty teatralne Bułhakowa, jak i konteksty muzyczne, z uwzględnieniem przedstawień operowych i musicalowych. Opisano także zwięźle autorskie scenariusze Bułhakowa do niezrealizowanych ostatecznie ekranizacji Rewizora i Martwych dusz Gogola. Została podkreślona rola przestrzeni Kijowa i Moskwy, jako dwóch z kilku najistotniejszych, obok Jerozolimy, Rzymu i Paryża, mitycznych miast pisarza. W artykule uwypuklona została kinematograficzna natura dzieł Bułhakowa. Przywołane zostają w tym filmowo-teatralnym kontekście opinie badawcze takich autorów jak – Konstanty Paustowski, Andrzej Drawicz, Marietta Czudakowa, Aleksy Warłamow, Eugeniusz Zamiatin, Miron Pietrowski, Alicja Helman, Joanna Wojnicka. Zarysowany wstępnie zostaje również urbanistyczny wymiar powieści Mistrz i Małgorzata, jako apoteozy miasta i osiągnięć cywilizacji, co także przełoży się na późniejsze ekranizacje tego arcydzieła.
This article attempts to sketch a picture of Mikhail Bulgakov’s literary works (prose and drama), together with their historical and political background, as a prelude to his own adventure with film and the later, already posthumous, screen adaptations of his works – led by The Master and Margarita. Viewed in this way, Bulgakov’s transition from prose (The White Guard) to drama (Turbine Days) may appear to be only the first step towards his adventure with film. It seems that the path from novel through drama to film is much easier than the direct path from novel to film. The theatrical contexts of Bulgakov’s works are outlined, as well as musical contexts, including opera and musicals. Bulgakov’s scripts for the screen adaptations of Gogol’s The Government Inspector and The Dead Souls, which were never made, are also briefly described. The role of the space of Kiev and Moscow is emphasized as well as two of the writer’s most significant mythical cities, along with Jerusalem, Rome and Paris. The article emphasizes the cinematic nature of Bulgakov’s works. In this film-theatrical context the research opinions of such authors as Konstantin Paustovsky, Andrzej Drawicz, Marietta Chudakova, Alexey Varlamov, Eugene Zamiatin, Miron Petrovsky, Alicja Helman and Joanna Wojnicka are recalled. The urban dimension of The Master and Margarita is outlined, as the apotheosis of the city and the achievements of civilization, which will also translate to later screen adaptations of this masterpiece.
Źródło:
Studia Pigoniana; 2022, 5, 5; 43-60
2657-3261
Pojawia się w:
Studia Pigoniana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling of the viscosity effect of heave plates for floating wind turbines by hydrodynamic coefficients
Autorzy:
Ciba, Ewelina
Dymarski, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/2233713.pdf
Data publikacji:
2023
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
spar platforms
heave plates
hydrodynamic coefficient
floating offshore wind turbine
FOWTs
Opis:
One of the methods of modelling the movement of floating wind turbines is the use of the diffraction method. However, this method does not take into account the influence of viscosity; therefore, in many cases, it needs to be extended with a matrix of appropriate coefficients. The effect of viscosity causes both the added mass coefficient and the damping coefficient to increase. The determined coefficients were entered into the ANSYS AQWA program, and the calculation results of the transfer function determined with the use of linear and quadratic damping were presented. The results were compared with the results of the experiment, indicating greater convergence for the quadratic model.
Źródło:
Acta Mechanica et Automatica; 2023, 17, 3; 469--476
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 764

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