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Calculating Cutoff Speeds of a Multistage Pump Rotor Taking into Account Lomakin Effect in the Front Seal of the Impeller
Authors: Svoboda D.G., Zharkovskii A.A., Ivanov E.A., Borshchev I.O. | Published: 10.02.2020 |
Published in issue: #2(719)/2020 | |
Category: Energy and Electrical Engineering | Chapter: Hydraulic Machines and Hydropneumatic Units | |
Keywords: multistage vane pump, numerical studies, vibration characteristics, gap seal, coefficients of stiffness, hydrodynamic forces |
An Experimental Study of a Crossheadless Piston Hybrid Power Positive Displacement Machine with Intensive Cooling of the Compressed Gas
Authors: Shcherba V.E., Nosov E.Y., Tegzhanov A.S., Paramonov A.M., Blinov V.N., Surikov V.I. | Published: 28.10.2019 |
Published in issue: #10(715)/2019 | |
Category: Energy and Electrical Engineering | Chapter: Hydraulic Machines and Hydropneumatic Units | |
Keywords: piston compressor, piston pump, hybrid power machine, cylinder-piston group cooling, feed ratio, volumetric efficiency |
Modeling of Characteristics of Water-Ring Vacuum Pumps
Authors: Velikanov N.L., Naumov V.A. | Published: 28.10.2019 |
Published in issue: #10(715)/2019 | |
Category: Energy and Electrical Engineering | Chapter: Hydraulic Machines and Hydropneumatic Units | |
Keywords: water-ring vacuum pumps, absolute pressure in the chamber, vacuum technology, suction zone |
Comparative Analysis of Mass-Dimensional A Comparative Analysis of Mass-Dimensional Indicators of Crossheadless and Crosshead Piston Hybrid Energy Positive Displacement Machines
Authors: Shcherba V.E., Tegzhanov A.S., Nosov E.Y., Paramonov A.M., Blinov V.N., Khrapskii S.F. | Published: 23.09.2019 |
Published in issue: #9(714)/2019 | |
Category: Energy and Electrical Engineering | Chapter: Hydraulic Machines and Hydropneumatic Units | |
Keywords: hybrid energy machine, mass-dimensional indicators, compressor section, pump section, crosshead, piston |
A New Generation of Submersible Electrical Motor Protectors with a Dynamic Labyrinth for Operation in Aggressive Environment with High Concentration of Free Gas and Solids
Authors: Trulev A.V., Timushev S.F. | Published: 23.07.2019 |
Published in issue: #7(712)/2019 | |
Category: Energy and Electrical Engineering | Chapter: Hydraulic Machines and Hydropneumatic Units | |
Keywords: motor seal protector, submersible electric motor, gravitational labyrinth, dynamic labyrinth, artificial oil lift, gas liquid mixture |
A Study of the Effect of the Discharge Line on the Amplitude of Pressure Pulsations in Axial-Piston Pumps
Authors: Perfiliev A.V. | Published: 24.12.2018 |
Published in issue: #12(705)/2018 | |
Category: Energy and Electrical Engineering | Chapter: Hydraulic Machines and Hydropneumatic Units | |
Keywords: axial piston pump, pressure pulsations, non-stationary processes, discharge line parameters |
A Calculation of Characteristics of Three-Piston Pumps
Authors: Velikanov N.L., Naumov V.A. | Published: 03.12.2018 |
Published in issue: #11(704)/2018 | |
Category: Energy and Electrical Engineering | Chapter: Hydraulic Machines and Hydropneumatic Units | |
Keywords: three-piston pump, hydraulic and energy characteristics, mains pressure, supplied power |
On the Issue of Reducing Non-Uniformity of Fluid Supply in Piston Pumps
Authors: Shcherba V.E., Shalai V.V., Tegzhanov A.S., Dorofeev E.A., Pavlyuchenko E.A. | Published: 02.07.2018 |
Published in issue: #6(699)/2018 | |
Category: Energy and Electrical Engineering | Chapter: Hydraulic Machines and Hydropneumatic Units | |
Keywords: uniformity of fluid supply, gas cavity, piston pump, uneven fluid supply |
An Analysis of Influence of the Lengths of Stepped Slot Seals on Working Processes and Power Characteristics of Piston Hybrid Power Machines
Authors: Shcherba V.E., Shalai V.V., Grigoriev A.V., Kondyurin A.Y., Bazhenov A.M. | Published: 05.06.2018 |
Published in issue: #5(698)/2018 | |
Category: Energy and Electrical Engineering | Chapter: Hydraulic Machines and Hydropneumatic Units | |
Keywords: hybrid power machine, pump section, compressor section, mathematical model |
An Analysis of the Influence of the Discharge Pressure in the Compressor Section on the Working Processes and Characteristics of a Piston Hybrid Power Machine with a Stepped Slot Seal
Authors: Shcherba V.E., Shalai V.V., Grigoriev A.V., Kondyurin A.Y., Bazhenov A.M. | Published: 28.04.2018 |
Published in issue: #4(697)/2018 | |
Category: Energy and Electrical Engineering | Chapter: Hydraulic Machines and Hydropneumatic Units | |
Keywords: hybrid power machine, piston pump, piston compressor, slot seal |