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Home Industrial Technologies Technology of Computational Substantiation of the Design Parameters of Complex Hydraulic Systems

Technology of Computational Substantiation of the Design Parameters of Complex Hydraulic Systems


Computer simulation of fast hydro- and gas-dynamic processes in complex hydraulic systems, which include manifolds, pilot-controlled valves, tanks, throttle valves, dead legs, etc., for the choice and substantiation of the design and operating parameters of engineering systems.

Innovative Aspect and Main Advantages

Accounting for: the design features of hydraulic lines (pipe diameters, wall thickness, material), the physical and chemical liquid/gas properties, the hydraulic resistance of feed pipelines and control valves, the degree of gas saturation, gas release and discontinuity, the propagation of wave processes in the system elements, and the dynamics of electrically or pneumatically controlled valves.

Areas of Application

Design organizations that develop complex branched hydraulic systems of airborne and space vehicles, rocket and internal-combustion engine fuel supply systems, urban water distribution systems, etc. operating in transient conditions (start-up and shut-down transients, hydraulic shock).

Fig. 1 Hydraulic schematic of the feed system of liquid-propellant thrusters O – oxidizer tank;
F – fuel tank; 1, 2 – thrusters

Fig. 2 Effect of the sequential start-up of thrusters 1, 2, 3 on the combustor pressure

Stage of Development

The technology has been tied out as applied to the feed system of two-component liquid-propellant spacecraft flight control thrusters.

Contact Details

Institute of Technical Mechanics of NASU and NSAU
Contact person: Prof., Head of Department V. I. Timoshenko,
Address: 15, Leshko-Popelya str., 49005, Dnepropetrovsk, Ukraine
Tel.: (+38 0562) 461 051
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it


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