The development of the theory of calculation of the hydrodynamic coupling

Lomakin, V; Cheremushkin, V; Petrov, A.

doi:10.1088/1757-899x/492/1/012012

Cited by 3 publications

(1 citation statement)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Although the design and researches on hydrodynamic couplings return to about 1930s [3], there are few works devoted to study of them. Several experimental and theoretical works were performed during years, in order to investigate fluid couplings [4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Design optimization of hydrodynamic coupling applying response surface method combined with CFD technique

Nejadali

2020

J Braz. Soc. Mech. Sci. Eng.

View full text Add to dashboard Cite

Hydrodynamic coupling is a type of fluid machinery that uses fluid kinetic energy to transmit power. In this paper, meridional profile optimization of fully filled fluid coupling was performed to improve transmitted torque. The response surface method, a global optimization method, combined with CFD was introduced to find optimum meridional profile of blades. The torque coefficient was applied as an objective function. The response surface method was adopted with three design variables: hydraulic diameter ratio of blades, central core position, and meridional profile of the hub. Results showed that the best diameter ratio occurred at d/D =0.67. To specify an optimal position for the central core, a dimensionless parameter (b/d) was introduced. With regression analysis, it was found that the optimal point occurs at about b/d =0.37. It was confirmed with the results of contour and vector plots. Three types of curves (circular, elliptical, and cubic Bezier curve) were employed to optimize the meridional shape of blades. The circular curve was applied in the design of the hub in the reference geometry. Relative to the circular curve hub, the use of elliptic curve had no significant effect on the objective function. Two dimensionless parameters, l 1 /d and l 2 /d, were defined to investigate the effect of Bezier curves on the performance of hydrodynamic coupling. The optimum values for design variables of l 1 /d and l 2 /d were obtained 0.80 and 0.88, respectively.

show abstract

Section: Introductionmentioning

confidence: 99%

Design optimization of hydrodynamic coupling applying response surface method combined with CFD technique

Nejadali

2020

J Braz. Soc. Mech. Sci. Eng.

View full text Add to dashboard Cite

show abstract

Installation movement drive with hydraulic shock absorber

Kilina¹,

Dymochkin²,

Шестаков³

et al. 2023

XLV Academic Space Conference, Dedicated to the Memory of Academician S.P. Korolev and Other Outstanding National Scientists —

View full text Add to dashboard Cite

Comparison of various simulation methods of a two-phase flow in a multiphase pump

Boyarshinova

Lomakin

Petrov

2019

IOP Conf. Ser.: Mater. Sci. Eng.

View full text Add to dashboard Cite

Annotation The article presents a mathematical model of a two-phase flow in a multiphase helico-axial pump. In this paper, the model of a multiphase incompressible fluid flow (ρ = const) were used. Numerical simulation is based on solving discrete analogues of the basic hydrodynamic equations. The hydrodynamic simulation of the described mathematical model was performed in two ways: in a simplified form, using a multiphase volume of fluid model (VOF), and the segregated flow method. The results of the calculation of two-phase flows for various values of the gas content are given. The influence of gas content on the pump performance and its pressure is considered. A comparison of calculation results of two methods of hydrodynamic simulation of two-phase flow is shown.

show abstract

The development of the theory of calculation of the hydrodynamic coupling

Cited by 3 publications

References 9 publications

Design optimization of hydrodynamic coupling applying response surface method combined with CFD technique

Design optimization of hydrodynamic coupling applying response surface method combined with CFD technique

Installation movement drive with hydraulic shock absorber

Comparison of various simulation methods of a two-phase flow in a multiphase pump

Contact Info

Product

Resources

About