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Investigation of flow characteristics in a rotor-stator cavity under crossflow using wall-modelled large-eddy simulation
Rotor-stator cavities are frequently encountered in engineering applications such as gas turbine engines. They are usually subject to an external hot...
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Numerical Simulation and Experimental Study of the Rotor–Stator Interaction of a Turbine Under Variable Flow Coefficients
Clarifying the gas ingestion mechanism in the turbine disc cavity of marine gas turbines is crucial for ensuring the normal operation of turbines....
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Numerical Investigation on Flow and Heat Transfer of a Rotor–Stator Cavity with Labyrinth Seal
The flow and heat transfer characteristics of a simplified rotor–stator cavity with labyrinth seal were numerically investigated. Four geometric...
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Gas Ingestion Under Unsteady Rotor-Stator Interaction of Turbine Blade
Unsteady simulation of a 1.5 stage turbine with an axial cavity was conducted to illustrate the ingress mechanism under the blade-rotor unsteady...
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Investigation on the Similarity Criterion Numbers of Flow and Heat Transfer Characteristics in a High-Speed Rotor-Stator Disk Cavity of Aero-Engine
Turbine disk cavity system is of great importance for improving the rotating turbine blades cooling efficiency and preventing gas invasion. This...
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Windage Characteristics Investigate of Centrifugal Impeller Rear Cavity
This study aims to investigate the windage characteristics of the centrifugal impeller rear cavity using experimental and numerical simulation...
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Design and Temperature Measurement of Axisymmetric Heater for Rotor–Stator System
The present study deals with the design and development of an axisymmetric heater for a rotor–stator system. The heater consists of three components:...
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Study on the Coupling Law of the Stator and Rotor of Positive Displacement Motor with the Application of Highly Filled Rubber
With the continuous progress of drilling tools and applied materials, highly filled rubber as an important part of the stator of positive...
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Influence of swirl and ingress on windage losses in a low-pressure turbine stator-well cavity
As part of the drive towards achieving net-zero flight by 2050, the development of ultra-high bypass ratio engines will place greater importance on...
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A MTPA Control Strategy for Permanent Magnet/Reluctance Hybrid Rotor Dual-Stator Motor
A new mathematical model of the motor is established and then applied to a permanent magnet/reluctance hybrid rotor double stator motor (PM/RHR-DSM)...
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Influence of operating parameters and cavity geometry on rotor dynamic characteristics of hole-pattern dam** seal with dovetail-like diversion grooves
The operating parameters and cavity geometry significantly affect the sealing properties and rotor stability of the hole-pattern dam** seal (HPDS)....
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Multi-objective optimization design of labyrinth seal of shrouded stator cavity in a low-speed research compressor
The shrouded stator is widely used in aero-engines and the leakage flow from the cavity has a strong effect on the performance of the stator. Due to...
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Study on Free Heat Dissipation Characteristics of Rear Journal Cavity of High Pressure Compressor
Aero-engine secondary flow air system plays an important role. In the shutdown state, the rotor structure of high temperature compressor carries out...
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Analytical and Numerical Analyses
This chapter is dedicated to modelling approaches for Tesla turbines. Initially, the main analytical approaches applicable to Tesla turbine rotors...
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System Optimization of Submersible Electric Progressing Cavity Pump: Design and Field Application of PCP Specially Used for Submersible Motor
In the low production and low permeability well, electric submersible progressive cavity pump (ESPCP) has its own advantages of no rod-tubing...
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New Coaxial Magnetic Multiplier for Size-Limited Hydraulic Channels
AbstractA magnetic transmission is proposed to improve the efficiency and reliability of size-limited hydraulic channels. On the basis of computer...
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Application of New Electrical Submersible Progressive Cavity Pump Technology in Drainage Gas Recovery of Coalbed Methane Wells
At present, coalbed methane (CBM) well conditions are more and more complex, and large well deviation, poor well trajectory, gas channeling and other...
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Numerical simulation of flow and heat transfer characteristic in straight-through labyrinth seals of aeroengines under eccentric and rotating conditions
In order to investigate the leakage and heat transfer of eccentric labyrinth seals, the flow and heat transfer process of eccentric and rotating...
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Investigation on transient response of gas face seals based on a double mass kinematic model considering Coulomb friction
The remarkable nonlinearity of the gas face seal system is partly due to the complex friction states between the auxiliary seal and the contact pair....
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A Magnetoelectric Valve Motor with a Misaligned Rotor
AbstractThe magnetic field of a magnetoelectric valve motor with a misaligned rotor is calculated on the basis of conformal map**. For the case of...
