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Chapter and Conference Paper
Test Bench with Controlled Impact Action for Analyzing Rotor-Bearing Assemblies
The article outlines the background and the process of creating a test bench for analyzing external impact actions applied to the rotor-bearing assemblies during their operation. Control systems for the test b...
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Chapter and Conference Paper
Substantiation of Parameters of Machine with Volumetric Hydraulic Drive for Formation of Wells in Ground
The article discusses the prerequisites for the substantiation of the parameters of the machine with a volumetric hydraulic drive. A rheological model of the soil is presented in the modernized Maxwell model. ...
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Chapter and Conference Paper
Test Bench for Analyzing Adaptability of Foil Gas-Dynamic Bearings to External Changes
The article presents a test hydromechanical test bench, methods, and results of testing petal gas-dynamic bearings when the position of the rotor axis of rotation changes in space. A mathematical model of the ...
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Article
Start-up circuit upgrading to reduce the erosion of the rotor blades of the last stages of steam turbines and prevent the mass strips of stellite plates
At turbine starts with low steam flow rates in idle mode, the low-pressure rotor blades consume energy, causing the ventilation heating of the stages and creating higher depression in them than in the condense...
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Article
Increasing the Reliability and Extending the Service Lifetime of the Rotors of Double-Flow Medium-Pressure Cylinders of High-Power Steam Turbines
The problem of extending the service lifetime of a large number of steam turbines currently in operation is examined. The difficulties in designing cooling systems for double-flow medium pressure cylinders in ...
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Chapter
On Analogy Between Convective Heat and Mass Transfer Processes in a Porous Medium and a Hele-Shaw Cell
Convective heat and mass transfer from bodies of classic geometry, a plate and a cylinder, embedded in a porous infiltrated medium and a line source located in a saturated porous medium is studied with the use...
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Article
On the mass transfer in a sprinkled biofilter
The mass transfer from a water film to fixed fill grains (Rashig ring) has been investigated. It has been revealed that the film regime of flow is characterized by incomplete flow over the surface of Raschig r...
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Article
Natural convection from a cylinder in a narrow gap and in a porous medium
The problem of natural convection from a horizontal cylinder in a narrow gap and in a porous medium is solved both theoretically and experimentally. An integral method for calculating heat transfer from the cy...
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Article
Turbulent heat-and-mass-transfer model in a near-wall zone of separated flows
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Article
Film absorption on a plane surface imbedded in a granulated medium
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Article
Friction and mass transfer in transverse flow around a cylinder in a granular bed and a narrow slot
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Article
Heat exchange in motionless vapor condensation on a plate immersed in a granular bed
A model accounting for the boundary zone of elevated thermal resistance at the wall and the convective heat transport in a fill is proposed.
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Article
Use of curved heat-insulating slabs to teem killed steel
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Article
Heat transfer during mixed convection on a vertical surface in a porous medium with deviation from Darcy's law
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Article
Teeming steel into ingot molds with hot tops lined with heat-insulating inserts
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Article
Friction and the velocity and gas-content profiles of a turbulent gas-liquid flow
The limiting relative friction law is used to derive analytical expressions for the frictional stress as well as the velocity and gas-content distributions in the cross section of a boundary layer and a pipe.
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Article
Laminar flow between rotating disks