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Journal articles on the topic 'Pneumohydraulic system'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Амброжевич, М. В., and В. О. Середа. "Model of pneumohydraulic launch system." Системи обробки інформації, no. 3(162), (September 30, 2020): 6–12. http://dx.doi.org/10.30748/soi.2020.162.01.

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A reactive pneumohydraulic displacement system is proposed as an inclined launch system for an aircraft. The advantages of the proposed transport system in relation to the known analogs of comparable energy are stated. A complex non-stationary spatial model of the system is presented. The mathematical apparatus for constructing a model is considered. The calculation results are presented in the form of continual mappings of physical fields and integral characteristics of the launch system. The analysis of the starting characteristics for different proportions of equipment – the ratio of water

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2

Krivosheev, Nikita S., and Alexander A. Zharkovsky. "Digital technologies in pneumohydraulic drives of technological equipment: problems and prospects." Journal of Dynamics and Vibroacoustics 10, no. 4 (2024): 78–91. https://doi.org/10.18287/2409-4579-2024-10-4-78-91.

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Digital technologies are opening new horizons in the field of pneumohydraulic drives for technological equipment. This article examines the key issues and prospects in this area. The implementation of digital technologies significantly enhances the efficiency and accuracy of pneumohydraulic systems. The use of sensors, microcontrollers, and software provides more precise control over processes, energy consumption optimisation, and predictive maintenance. Digitalisation of pneumohydraulic drives is an inevitable step in the development of technological equipment, offering new opportunities for

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3

Kiselev, A. V., E. V. Poznyak, and M. M. Kruchinin. "APPLICATION OF A GENETIC ALGORITHM FOR OPTIMIZATION OF THE PNEUMOHYDRAULIC SHOCK ABSORBER OF THE HELICOPTER LANDING GEAR." Spravochnik. Inzhenernyi zhurnal, no. 336 (March 2025): 36–45. https://doi.org/10.14489/hb.2025.03.pp.036-045.

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The development of an impact protection system based on a pneumohydraulic shock absorber of a helicopter landing gear is a complex task leading to the problem of multidimensional global optimization with limitations. The goal of optimization is to maximize the absorption of landing impact energy. The objective function depends on seven optimization parameters that determine the characteristics of the shock absorber. Each of the parameters is subject to limitations related to the design requirements of the system. The pneumohydraulic shock absorber model was developed in the Simcenter Amesim so

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4

V., Panasyuk,. "The substantiation of the technical solution for improving the application of chemical plant protection products using pneumohydraulic sprayers." Mehanization and electrification of agricultural, no. 9(108) (2019): 51–60. http://dx.doi.org/10.37204/0131-2189-2019-9-6.

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Purpose. Improving the effectiveness of plant protection products when growing crops due to the pneumohydraulic device that ensures their uniform application to the sheet surface. Methods. Analytical and Experimental. Results. Laboratory studies of the process of spraying plants with nozzles with a pneumohydraulic system determined the quality indicators of the process with pressure in injection communication 0.4 MPa – droplet coating density of 19–46 pcs/cm2 for the weighted average droplet diameters in the different experimental variants was within 304–543 microns. These indicators were comp

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5

Zharov, Anton A., and Alexey V. Kasatkin. "Energy Efficient Air Conditioning System of the Temple Complex." MATEC Web of Conferences 324 (2020): 03006. http://dx.doi.org/10.1051/matecconf/202032403006.

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The purpose of this work is to develop a year-round energy-efficient air conditioning system for the temple complex, that meets modern engineering requirements and standards. And it should not violate the traditional appearance of an Orthodox church. In this article there are considered the requirements and standards for the construction of the temple complex together with the architectural solution and the geographical location of the construction entity. The proposed air conditioning system (ACS) with a pneumohydraulic diagram and design modes is described. This system is valid for the summe

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MYKHALCHYSHYN, R. V., M. S. BREZGIN, and D. A. LOMSKOI. "Methane, kerosene and hydrogen comparative as a rocket fuel for launch vehicle pneumohydraulic supply system development." Kosmìčna nauka ì tehnologìâ 24, no. 2 (2018): 12–17. http://dx.doi.org/10.15407/knit2018.02.012.

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7

Isyemini, I. "About assembling and operation of safety system with pneumohydraulic buffers of overhead cranes." Engineering 17 (2017): 6–17. http://dx.doi.org/10.32820/2079-1747-2017-17-6-17.

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Sarach, Evgeny B., Maxim E. Krokhin, Alexander A. Lychagov, Ilya A. Smirnov, and Boris B. Kositsyn. "Method for selecting the damping characteristics of the pneumohydraulic suspension system of a wheeled vehicle." Izvestiya MGTU MAMI 17, no. 2 (2023): 147–56. http://dx.doi.org/10.17816/2074-0530-192488.

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BACKGROUND: In the process of developing suspension systems for modern high-speed wheeled and tracked vehicles, having the selected optimal elastic characteristic curve of the suspension system, its unsatisfactory damping characteristic curve can have a significant negative impact on the overall operation of the suspension unit. Therefore, the search for a method for obtaining the optimal damping characteristic curve is a relevant task. AIMS: Description the method for selecting the damping characteristic curve of a single-level pneumohydraulic spring for a wheeled vehicle considering th

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9

Kolganov, I. V. "Review of electric rocket engines for small spacecraft propulsion systems." Omsk Scientific Bulletin. Series Aviation-Rocket and Power Engineering 9, no. 2 (2025): 94–103. https://doi.org/10.25206/2588-0373-2025-9-2-94-103.

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The article analyzes the current state of global development of low-energy plasma propulsion systems for guided small spacecraft. The aim of the research is to review the main types and constructions of electric rocket engines, to identify the problems arising in the development process affecting the energy and design features. One of the most demanded and promising directions in the field of propulsion for small spacecraft is ion engines. The use of electrical energy to create propulsion, as well as high-frequency electromagnetic radiation, allows minimizing power losses. A key advantage of p

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10

Meshkinpour, Hooshang, Linda Kay, and Michael Mollot. "The Role of the Flow Rate of the Pneumohydraulic System on Post–Sphincter of Oddi Manometry Pancreatitis." Journal of Clinical Gastroenterology 14, no. 3 (1992): 236–39. http://dx.doi.org/10.1097/00004836-199204000-00009.

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11

Blanchet, James. "4506591 Ocean floor dredge system having a pneumohydraulic means suitable for providing tripping and heave compensation modes." Marine Pollution Bulletin 16, no. 11 (1985): i. http://dx.doi.org/10.1016/0025-326x(85)90420-5.

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12

Trukhanov, K. A. "DYNAMICS OF PNEUMATIC DRIVE. LECTURE CYCLE. “LONG” PNEUMATIC/HYDRO PIPE LINES." Spravochnik. Inzhenernyi zhurnal, no. 302 (May 2022): 1–24. http://dx.doi.org/10.14489/hb.supp.2022.05.pp.001-024.

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The paper considers examples of the manifestation of non-stationary hydromechanical processes that occur in machines and apparatus, control and regulation systems, while the load is the fluid itself. The application of pneumatic servo wires during operation under conditions of non-stationary hydromechanical load is given. The criterion for the “long” pneumo/hydro pipe line is determined. Equations are derived that make up the mathematical model for the pipe line in the case of a weakly compressible fluid and in the case of a highly compressible fluid. Equations are given for the non-stationary

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13

Aristov, V. P., P. P. Telepnev, and V. Yu Ermakov. "Applying the circuit theory to the development of an algorithm for designing the pneumohydraulic system of a spacecraft powertrain." Solar System Research 47, no. 7 (2013): 577–81. http://dx.doi.org/10.1134/s0038094611070021.

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14

Lubit, Erwin, Mark Wallach, and Ronald Schwalb. "A study of the relationship of maximal perioral muscle pressure to tonic resting pressure using a pneumohydraulic capillary infusion system." International Journal of Orofacial Myology 16, no. 3 (1990): 11–15. http://dx.doi.org/10.52010/ijom.1990.16.3.2.

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The tonic (resting) and peak (maximum) lip pressures of 100 subjects were measured. The purpose was to evaluate the validity of the assumption that high peak pressures are indicative of high tonic pressures and vice versa. This paper describes the equipment and techniques devised to test these pressures. The results showed no statistically significant relationship whatsoever between tonic and peak lip pressures. We, therefore, suggest that maximum lip pressures not be used as a diagnostic aid in orthodontics. [Reprinted from The Angle Orthodontist, Fall 1990, vol. 60, pages 215-220]

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Popikov, P., Denis Kanishchev, and A. Sutolkin. "RESULTS OF EXPERIMENTAL RESEARCHES OF WORKING PROCESSES OF BLOCKLESS LOGGING CAPTURE WITH ENERGY-SAVING HYDRAULIC DRIVE." Actual directions of scientific researches of the XXI century: theory and practice 8, no. 1 (2020): 123–28. http://dx.doi.org/10.34220/2308-8877-2020-8-1-123-128.

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During the movement of the tractor in the unit with the lockless grabs on the roughness of the terrain on the cuttings there are fluctuations that cause jumps of the working fluid in the hydraulic system. This leads to loss of fluid through the gaps and seals of the moving elements of the pump and hydraulic cylinders. For laboratory studies of these phenomena, a laboratory installation was made with the introduction of a pneumatic-hydraulic accumulator of the A5579-0 series into the hydraulic circuit. Laboratory tests were carried out, which showed that the pneumohydraulic battery allows, due

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Popikov, P., Petr Popikov, Andrey Sharov, Aleksandr Petkov, and Anton Pozdnyakov. "INFLUENCE OF OPERATING MODES OF FOREST FIRE SOIL-THROWING MACHINE WITH HYDRAULIC DRIVE ON EFFICIENCY INDICATORS." Forestry Engineering Journal 10, no. 1 (2020): 209–17. http://dx.doi.org/10.34220/issn.2222-7962/2020.1/25.

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Many areas of human activity, in particular, agriculture and the timber industry, use technological machines and equipment having in their arsenal a hydraulic system for supplying pressure to the used units for soil cultivation, sowing, cutting, rooting out and many others. The article discusses the use of an energy-saving hydraulic drive. It provides experimental data on its use in a forest fire soil-throwing machine. The experiment was carried out using the LHT-55 forestry tractor, on the rear hitch of which a laboratory sample of a fire-fighting soil-throwing machine

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17

Sjovall, H., I. Hagman, and H. Abrahamsson. "Relationship between interdigestive duodenal motility and fluid transport in humans." American Journal of Physiology-Gastrointestinal and Liver Physiology 259, no. 3 (1990): G348—G354. http://dx.doi.org/10.1152/ajpgi.1990.259.3.g348.

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In 22 healthy volunteers distal duodenal fluid absorption was related to the interdigestive motility cycle. Fluid absorption was measured with a triple-lumen perfusion technique, and motility was registered with a low-compliance pneumohydraulic system. Pancreatic and biliary secretions were estimated by measurement of bilirubin and amylase release into the duodenal segment. Duodenal fluid absorption rate changed during the interdigestive motility cycle; the highest absorption rate was registered during phase I (low-motor activity) and absorption rate then decreased in parallel with increasing

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18

Kirshina, A. A., A. A. Levikhin, and A. Yu Kirshin. "Results of experimental evaluation of the possibility of using an annular nozzle with a flat central body as part of a stand liquid rocket engine chamber." VESTNIK of Samara University. Aerospace and Mechanical Engineering 23, no. 4 (2024): 125–32. https://doi.org/10.18287/2541-7533-2024-23-4-125-132.

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One of the ways to increase the efficiency of a rocket engine chamber is to ensure the fixed nozzle operation in the design mode over the entire range of altitudes (ambient pressure) of engine operation. The paper presents the results of a full-scale experiment of the annular nozzle model with a flat central body. The purpose of the experiment was to evaluate the efficiency in terms of the specific impulse of the annular nozzle with a flat central body in comparison with the Laval nozzle. The tests were carried out at the “hot” bench of the Department “Engines and Power Plants of Aircraft” BST

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19

Cherkashenko, Mikhaylo. "SYNTHESIS OF MINIMAL SCHEMES OF SYSTEMS CONTROL OF HYDRAULIC AND PNEUMATIC DRIVES." Bulletin of the National Technical University "KhPI". Series: Hydraulic machines and hydraulic units, no. 1 (October 10, 2023): 12–17. http://dx.doi.org/10.20998/2411-3441.2023.1.02.

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The existing schemes of command apparatus are presented. Their analysis is carried out and the shortcomings are indicated. The scheme of afundamentally new command apparatus is given, which can significantly reduce the number of its elements. The synthesis of the pneumatic controlsystem of the foundry machine was carried out on the basis of the design approach proposed by M. Cherkashenko, which as a result led to a reductionin the devices by 3.5 times. A graph of operations of the pneumatic control system of the molding machine is constructed. A matrix ofcorrespondences is obtained, which dete

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20

Chechulin, Yu B., and Yu A. Popov. "Minimizing the Dynamic Loads in Pilger Rolling Mill Forholler." Solid State Phenomena 265 (September 2017): 1034–39. http://dx.doi.org/10.4028/www.scientific.net/ssp.265.1034.

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For the newly proposed pneumohydraulic drive of workpiece return movement it is researched relations, analysis was carried out and recommendations of selecting values of the initial pressure in the pneumatic chamber, ensuring a rational ratio between the periods of acceleration and deceleration were obtained. A mathematical model and program were created for the calculation of the law of motion of the brake rod with floating piston device using the system variable throttling the flow of the working fluid along the movement in the brake chamber. Based on the developed model the numerical analys

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21

Погудин, Андрей Владимирович. "МАТЕМАТИЧЕСКОЕ МОДЕЛИРОВАНИЕ ЭЛЕКТРОНАГРЕВНОГО ДВИГАТЕЛЯ НА ЭТАПЕ ЗАПУСКА". Aerospace technic and technology, № 5 (22 жовтня 2019): 4–11. http://dx.doi.org/10.32620/aktt.2019.5.01.

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The subject of research in the article is the process of accelerating the working fluid in an electric heating thruster, which is part of the onboard propulsion system used in space tug. The goal is to obtain the characteristics of starting an electric heating thruster, which is part of an onboard propulsion system used in space tug, as a function of time, to further evaluate the preparation time of an onboard propulsion system for operation and approximating its temporal characteristics to chemical rocket engines. Tasks: the formation of the pneumohydraulic diagram of the onboard propulsion s

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22

Tsipilev, A. A., and O. A. Nakaznoy. "Study of suspension systems for experimental tanks of the USSR in the second half of the 20th century." Izvestia MGTU MAMI 1, no. 2 (2021): 81–92. http://dx.doi.org/10.31992/2074-0530-2021-48-2-81-92.

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Modern pneumohydraulic suspension systems for high-speed tracked vehicles have fairly typical versions of kinematic schemes, implying the installation of an elastic-damping element directly on the suspension housing (inside or outside). This solution is structurally relatively simple, and it is understood that it allows to reduce the values of unsprung masses. Other options, with placement of elastic and damping elements inside the guide elements (balancers), did not “take root” due to the greater structural complexity of both elastic or damping element and the suspension guide element. In add

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23

Kharytonchyk, S. V., V. A. Kusyak, and Nghia Van Le. "Control of Pneumatic Actuator for Automated Mechanical Transmission Dry Friction Clutch Base on the Pulse Width Modulation Signal." Science & Technique 20, no. 1 (2021): 26–32. http://dx.doi.org/10.21122/2227-1031-2021-20-1-26-32.

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To ensure quality of dry friction clutch engagement in automated mechanical transmission during vehicle starting-up and maneuvering the control range of clutch actuator has to be maximum wide. It depends on the consistency of the clutch actuator geometric parameters with the electrical characteristics of the used solenoid valves, the output stage of the controller and the PWM control signal frequency. In addition to precision electronic control the driver must be able to “manually” operate the dry friction clutch in emergency. That is why friction clutch must have two independent control circu

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Minai, O. M. "Classification, main types of structures and purpose of capillary means to ensure fuel perfection." Kosmìčna nauka ì tehnologìâ 30, no. 1 (2024): 14–30. http://dx.doi.org/10.15407/knit2024.01.014.

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The flight of a spacecraft is characterized by the alternation of active sections of the trajectory, when the propulsion system is operating, and passive sections, in which the liquid components of the fuel in the tanks are under the influence of microgravity and, as a result, various disturbing factors (actions: aerodynamic forces, solar wind, internal gravitational forces, disturbances from the engines of the orientation and stabilization system, etc.) can occupy any position in them. At the same time, the situation is not ruled out when the gas phase can get into the flow line, which in the

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Cucchiara, S., R. Minella, A. Scoppa, et al. "Antroduodenal Motor Effects of Intravenous Erythromycin in Children with Abnormalities of Gastrointestinal Motility." Journal of Pediatric Gastroenterology and Nutrition 24, no. 4 (1997): 411–18. http://dx.doi.org/10.1002/j.1536-4801.1997.tb00452.x.

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Background:The macrolide antibiotic erythromycin (EM) affects gastrointestinal motor activity by acting as agonist of motilin receptors located on the smooth muscle cells of the gastroduodenal tract. We studied the effect of intravenous EM on fasting antroduodenal motility in controls and children with gastrointestinal dysmotility.Methods:EM lactobionate (rate, 3.0 mg/kg/h) was infused intravenously while antroduodenal manometry was recorded in 10 controls, in 7 patients with functional dyspepsia and in 6 patients with gut pseudo‐obstruction. The mean (SD) age (years) was 5.7 (1.4), 6.5 (2.4),

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26

Posmetev, Valeriy, Vadim Nikonov, Viktor Posmetev, V. Zelikov, and Petr Kolodiy. "Computer simulation of the recuperative crank mechanism for turning the column of the manipulator of a timber road train." Forestry Engineering Journal 13, no. 2 (2023): 158–78. http://dx.doi.org/10.34220/issn.2222-7962/2023.2/9.

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The study is aimed at improving the efficiency of the hydraulic manipulators of timber-carrying road trains operating in difficult natural and climatic conditions. The relevance of the scientific direction is substantiated, aimed at reducing energy losses in the hydraulic drives of manipulators in the process of performing loading and unloading operations. The works of foreign scientists are analyzed, which made it possible to identify promising areas for improving the efficiency of hydraulic manipulators, including the development of more modern drives, increasing productivity, accuracy and a

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27

Nikonov, Vadim, Valeriy Posmetev, V. Zelikov, Viktor Posmetev, and Aleksey Chuykov. "Optimization of the design parameters of the regenerative hitch installed in a logging vehicle with a trailer." Forestry Engineering Journal 13, no. 1 (2023): 162–79. http://dx.doi.org/10.34220/issn.2222-7962/2023.1/11.

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This article solves the problem of increasing the efficiency of the functioning of logging road trains in conditions of insufficiently equipped logging roads. Experience in the operation of road trains on such logging roads shows that on these roads the transport and operational qualities of logging road trains are low. The relevance of the scientific direction, aimed at achieving the fuel efficiency of logging road trains and thus increasing the efficiency and competitiveness of logging enterprises, is substantiated. An analysis of the work of foreign scientists is presented, which made it po

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28

Sarach, Е. B., A. A. Cipilev, and A. A. Lychagov. "Design of pneumohydraulic suspension systems for promising military tracked and wheeled vehicles." Izvestiya MGTU MAMI 40, no. 2 (2019): 67–79. http://dx.doi.org/10.31992/2074-0530-2019-40-2-67-79.

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Tsipilev, A. A., and O. A. Nakaznoy. "Analytical determination of static and dynamic elastic characteristics of pneumohydraulic suspension systems." Izvestiya MGTU MAMI 15, no. 4 (2021): 60–72. http://dx.doi.org/10.31992/2074-0530-2021-50-4-60-72.

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When developing new suspensions for tracked and wheeled vehicles, as well as in the so-called reverse engineering of existing structures (including in the educational process of training personnel), it is necessary to solve the problem of finding the elastic characteristics of the suspension. In the first case, it is necessary to ensure the fulfillment of the specified tactical and technical requirements, in the second - to restore the form of characteristics according to a known design. Both of these tasks are greatly complicated in the absence of precise and universal analytical dependencies

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Belekhov, A. A., A. I. Kapenkova, and S. S. Evtyukov. "Assessment of the possibility of installing energy collection and storage systems on vehicles in operation." Вестник гражданских инженеров 19, no. 6 (2022): 134–40. http://dx.doi.org/10.23968/1999-5571-2022-19-6-134-140.

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The article discusses the designs of existing energy collection and storage systems used in road transport. The authors present the available statistics regarding the production of new cars equipped with a hybrid drive, as well as the age structure of the car fleet in the Russian Federation. It is concluded that it is possible to retrofit already operated vehicles with energy recovery systems with pneumohydraulic accumulators. Based on the developed algorithm, an example is given of assessing the possibility of making such a change in a specialized vehicle outfitted with additional equipment w

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Makharadze, Leon. "Device for Protection Against Hydraulic Shocks of Multi-Stage Pressure Hydraulic Transport Systems." Works of Georgian Technical University, no. 1(527) (March 21, 2023): 109–17. http://dx.doi.org/10.36073/1512-0996-2023-1-109-117.

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Pipeline hydrotransport systems began to develop rapidly from the second half of the last century. This was especially the case in the mining and mineral industries, when it was used for hydraulic transportation of loose solid materials. One of the fragments of the fundamental works performed by the author at G. Tsulukidze Mining Institute – the construction performance and working principle of the hydraulic shock protection device of multistage pressure hydraulic transport systems – is reviewed. The construction includes a pneumohydraulic accumulator, the body of which is connected to the suc

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32

Bondarenko, O. V., E. V. Vorotintsev, and V. S. Zevako. "Securing an efficiency of automatic valves in space vehicle's pneumohydraulic systems under cryogenic temperature conditions." Kosmìčna nauka ì tehnologìâ 8, no. 1s (2002): 12–16. http://dx.doi.org/10.15407/knit2002.01s.012.

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Kyurdzhiev, Y. V. "Problems of Modeling Working Processes in Pneumohydraulic Systems and Units at Various Stages of the Product Life Cycle." Proceedings of Higher Educational Institutions. Маchine Building, no. 5 (734) (May 2021): 60–75. http://dx.doi.org/10.18698/0536-1044-2021-5-60-75.

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The article presents the result of the analysis of the problems of maintenance of on-board pneumatic systems and units in terms of the requirements for completeness and efficiency of the requested information. It is shown that the current state of the workflow modeling tools of these systems do not fully meet the maintenance requirements at all stages of the product life cycle. An approach to modeling pneumohydraulic systems and units is proposed, as well as ways to reduce the time from the moment of setting a problem requiring the development of a new mathematical model to obtaining adequate

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34

Ponomaryov, A. N., and A. V. Sichevoy. "Development of diagnosing conception of source technical availability of automated elements of pneumohydraulic launch vehicle systems." Kosmìčna nauka ì tehnologìâ 8, no. 1s (2002): 36–40. http://dx.doi.org/10.15407/knit2002.01s.036.

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"Analysis of the starting and braking device of the vehicle." AutoGas Filling Complex + Alternative fuel, June 2021, 263–66. http://dx.doi.org/10.36652/2073-8323-2021-20-6-263-266.

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The article shows that the use of a pneumohydraulic braking energy recovery system is a promising way to improve both new cars and various used vehicles operated in urban conditions. Keywords analysis; efficiency; patent; vehicle; wheel; braking; acceleration

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36

Isyemini, I. "About assembling and operation of safety system with pneumohydraulic buffers of overhead cranes." Engineering 17 (2016). http://dx.doi.org/10.32820/2079-1747-2016-17-6-17.

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Sazonov, Dmitry, and Ekaterina Antonova. "Common Issues in Aeration System Choice for Flotation Wastewater Treatment." CURRENT APPLIED SCIENCE AND TECHNOLOGY, June 9, 2023, e0256800. http://dx.doi.org/10.55003/cast.2023.256800.

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Flotation wastewater treatment is widely used in various treatment systems. The choice of aeration system plays a considerable role in the development of highly efficient flotation tanks. The objective of this work is to point out factors that influence the choice of flotator type, and to offer recommendations based on literature review and data analysis. In this paper, the various types of aeration systems used in flotation tanks are considered: mechanical, pneumatic, pneumohydraulic and ejection systems as well as dissolved air flotation and electroflotation systems. Their main advantages an

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38

Diesperov, N. V., A. R. Polyanskiy, and V. B. Sapozhnikov. "Calculation of boost gas parameters at filling the dead-end zones in pneumohydraulic system feed lines of the liquid-propellant rocket engines." Engineering Journal: Science and Innovation, no. 1 (133) (January 2023). http://dx.doi.org/10.18698/2308-6033-2023-1-2245.

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The paper proposes a mathematical model to estimate boost gas parameters at filling the feeding lines dead-end zones of the pneumohydraulic systems (PHS) of the liquid-propellant rocket engines (LRE). These calculations are required in preliminary assessment of the design characteristics of the PHS feed lines designed to ensure operation of the LRE pneumoautomatic systems. Engineering methodology currently existing to solve this problem provides for solution of a system of ordinary differential equations and does not allow tracking alteration in pressure and temperature along the length of the

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Рязанов, А. А., and А. В. Чернышев. "Strength Calculation of Ball Cock Structural Elements in Pneumohydraulic Systems." Engineering Journal: Science and Innovation, no. 7 (December 2012). http://dx.doi.org/10.18698/2308-6033-2012-7-284.

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"Perspective directions for increasing the vibration protection properties of pneumo-hydraulic and pneumatic suspensions of vehicles." Truck, July 2022, 3–10. http://dx.doi.org/10.36652/1684-1298-2022-7-3-10.

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In this paper, a new approach is proposed to reduce the vibration load of vehicles on uneven roads based on the synthesis of innovative structures of adaptive pneumohydraulic and pneumatic suspensions with self-adjusting characteristics. Descriptions of the original designs and characteristics of various types of damping units are given in relation to four promising areas for improving pneumohydraulic and pneumatic suspension systems, the use of which will improve the energy efficiency, safety and vibration protection of general and special-purpose vehicles. Keywords: suspension, pneumo-hydrau

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Labutkina, Tetiana. "Structures based on elliptical arcs in the problems of designing trajectories and creating mechanical systems." International Scientific and Technical conference "The Progressive Technics, Technology and Engineering Education", no. XXII (September 19, 2021). http://dx.doi.org/10.20535/2409-7160.2021.xxii.241227.

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Abstract. An experimental study of the strain of a rectilinear segment of a pipeline Du 200 made of steel 20 under cyclic loading by internal pressure was carry out. The tests were performed on a pneumohydraulic stand under conditions of flat stress, normal temperatures, and load cycle asymmetry with registration of circular and axial elastic-plastic strain. The aim of the work was to test an experimental technique for studying the effect of ratcheting (unilateral accumulation of plastic deformations) on real structural elements when changing the modes of cyclic loading. According to the resul

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Чернышев, А. В., Ю. В. Кюрджиев, Н. В. Атамасов, and А. В. Лебедев. "Justification of the Working Medium Model Selection for Calculation of Dynamic Parameters of Pneumohydraulic Systems." Proceedings of Higher Educational Institutions. Маchine Building, no. 702 (October 2018). http://dx.doi.org/10.18698/0536-1044-2018-9-57-63.

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