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Wyszukujesz frazę "Malashchenko, Volodymyr." wg kryterium: Autor

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    Wyświetlanie 1-7 z 7
    Tytuł:
    Investigation of the energy effectiveness of multistage differential gears when the speed is changed by the carrier
    Autorzy:
    Malashchenko, Volodymyr
    Strilets, Oleh
    Strilets, Volodymyr
    Kłysz, Sylwester
    Powiązania:
    https://bibliotekanauki.pl/articles/328489.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    energy effectiveness
    efficiency
    multi-stage differential gear
    speed change device
    sun gear
    planet
    ring gear
    carrier
    closed circuit hydrosystem
    efektywność energetyczna
    wydajność
    mechanizm różnicowy
    modelowanie komputerowe
    Opis:
    The energy effectiveness of the multistage gear differential in the device for speed change by carrier has been investigated with the determination of the efficiency. Considering complexity of the problem, the analytical methods of efficiency determining for two- and three-stage differential gears have been obtained and proposed using the potential power method, when the driving link is the first-stage sun gear, the driven link is the ring gear of the last stage or vice versa, and the links of the speed change control are the carriers of the individual stages. With the help of computer modeling of analytical expressions, graphical dependences of efficiency from the ratio of the multistage differential gear and the angular velocity of the control link - the carrier, have been obtained. The results obtained have practical application for the design of new devices by means of energy effectiveness, allow to evaluate the operation of multistage differential gears from the point of view of self-breaking and are of assistance for further research.
    Źródło:
    Diagnostyka; 2019, 20, 4; 57-64
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Safety-overrunning clutch elastic torque operation characteristic study
    Autorzy:
    Protsenko, Vladyslav
    Malashchenko, Volodymyr
    Kłysz, Sylwester
    Avramenko, Oleksiy
    Powiązania:
    https://bibliotekanauki.pl/articles/27313834.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    safety-overrunning clutch
    overload
    elastic characteristic
    engaging
    operation mode
    sprzęgło
    przeciążenie
    tryb pracy
    parametry geometryczne
    Opis:
    The article deals with ball-type safety-overrunning clutches' elastic characteristics in overload mode. Main semi-couplings geometric parameters, particularly ball stroke and semi-couplings twisted angles, affecting operation speed and clutch elastic torque considered and obtained expressions for this parameters determination. Main clutch parts force interaction features in the final overload operation period analyzed and ratios for the clutch final period load are obtained. Based on current and previous studies, the expressions for elastic torque in the overload operation period are estimated. Obtained results could become the tool for the dynamics analysis of studied clutch-equipped driving operation during the clutch reengagement in overload mode. It is shown the expedience of using in high-speed driving clutches with large values of grooves to clutch axis inclination angle to decrease dynamic loads in driving, because in little and middle angles values provide nosedive dropping of final stage torque which can become a source of intense oscillations in the driving equipped with clutch in overload mode.
    Źródło:
    Diagnostyka; 2023, 24, 4; art. no. 2023415
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Force parameters and operating characteristics of safety-overrunning balltype clutch
    Autorzy:
    Malashchenko, Volodymyr
    Protsenko, Vladyslav
    Kłysz, Sylwester
    Nastasenko, Valentyn
    Babiy, Mykhaylo
    Powiązania:
    https://bibliotekanauki.pl/articles/1840855.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    safety-overrunning clutch
    half-couplings
    freewheel clutch
    operation accuracy
    overload
    sprzęgło
    dokładność
    przeciążenie
    Opis:
    Article deals with the field of machinery, namely with the protecting of devices for mechanical driving systems. New construction of safety-overrunning clutch, operating on gearing principle, where safety and overrunning parts are mutually integrated, has been proposed and studied in the article. It has practical importance for building, based on modular principles, machines. As the result of the theoretic studies, the expressions to calculate the following specific clutch torques have been obtained: rating torque, torques of beginning and ending of operation. On the basis of the mentioned studies, the expressions to estimate the clutch main operation characteristics have been obtained - nominal torque exceeding coefficient, accuracy and sensitivity coefficients. These expressions are practically important for proposed clutch calculations. The analysis performed demonstrates that in order to increase the clutch load capacity, the grooves must be made with less inclination angles to clutch axis. Obtained results indicate the advisability of installing the clutch on low-speed shafts. It is shown that the clutch overload sensitivity could be increased by the reduction of the spring rigidity. The calculations performed also demonstrate that balls diameter reduction has a positive effect on the clutch operation parameters. Obtained expressions and numerical results are practically important for proposed clutch calculations. It is shown that in terms of the accuracy of operation, the studied coupling fully corresponds to the level of common and investigated designs of safety clutches.
    Źródło:
    Diagnostyka; 2021, 22, 3; 43-50
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Force parameters and operating characteristics of safety-overrunning balltype clutch
    Autorzy:
    Malashchenko, Volodymyr
    Protsenko, Vladyslav
    Kłysz, Sylwester
    Nastasenko, Valentyn
    Babiy, Mykhaylo
    Powiązania:
    https://bibliotekanauki.pl/articles/1840864.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    safety-overrunning clutch
    half-couplings
    freewheel clutch
    operation accuracy
    overload
    sprzęgło
    dokładność
    przeciążenie
    Opis:
    Article deals with the field of machinery, namely with the protecting of devices for mechanical driving systems. New construction of safety-overrunning clutch, operating on gearing principle, where safety and overrunning parts are mutually integrated, has been proposed and studied in the article. It has practical importance for building, based on modular principles, machines. As the result of the theoretic studies, the expressions to calculate the following specific clutch torques have been obtained: rating torque, torques of beginning and ending of operation. On the basis of the mentioned studies, the expressions to estimate the clutch main operation characteristics have been obtained - nominal torque exceeding coefficient, accuracy and sensitivity coefficients. These expressions are practically important for proposed clutch calculations. The analysis performed demonstrates that in order to increase the clutch load capacity, the grooves must be made with less inclination angles to clutch axis. Obtained results indicate the advisability of installing the clutch on low-speed shafts. It is shown that the clutch overload sensitivity could be increased by the reduction of the spring rigidity. The calculations performed also demonstrate that balls diameter reduction has a positive effect on the clutch operation parameters. Obtained expressions and numerical results are practically important for proposed clutch calculations. It is shown that in terms of the accuracy of operation, the studied coupling fully corresponds to the level of common and investigated designs of safety clutches.
    Źródło:
    Diagnostyka; 2021, 22, 3; 43-50
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Load capacity and design parameters of ball-type safetyoverrunning clutch with inclined grooves sides
    Autorzy:
    Protsenko, Vladyslav
    Malashchenko, Volodymyr
    Kłysz, Sylwester
    Nastasenko, Valentyn
    Babiy, Mykhaylo
    Avramenko, Oleksiy
    Powiązania:
    https://bibliotekanauki.pl/articles/2146731.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    safety-overrunning clutch
    torque
    overload
    semi-couplings
    freewheel clutch
    operation sensitivity
    operation accuracy
    sprzęgło
    moment obrotowy
    przeciążenie
    dokładność
    Opis:
    Article deals with safety-overrunning clutches for mechanical transmissions. Modern design of safetyoverrunning clutch with grooves sides inclined to semi-coupling radius has been described and researched in the article. It has practical value for creation modular-type machines. On the basis of the theoretic studies, the expressions for obtaining the main specific operation parameters have been proposed: rating torque, beginning and ending operation torques. As the result of the studies, the equations for estimation the clutch main operation characteristics have been received - rating torque exceeding coefficient, coefficients of clutch accuracy and sensitivity. On account of modeling and comparison with clutch where grooves sides are parallel to the radius made a number of important conclusions. The analysis performed demonstrates that clutches with inclined to radius grooves sides in general have higher operation characteristics compared with clutches with parallel to radius grooves sides, particularly higher accuracy coefficient and lower rating torque exceeding coefficient. Obtained results make it possible to recommend for highly loaded large-mass systems clutches with low values of grooves to clutch axe and grooves sides to radius inclination angles, because it provides balls contact with plane sides grooves surfaces and through this allows to decrease contact stresses compared with clutches with grooves sides parallel to radius; allows to provide high load capacity with low rating torque exceeding in overload mode; in clutches with inclined to radius grooves sides friction impact manifests less in operation with high rotation frequency.
    Źródło:
    Diagnostyka; 2022, 23, 4; art no 2022403
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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