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Comparison of image masking methods for pump impeller blade region PIV experiments
Due to the blade reflection effect when applying the PIV technology to the internal flow field measurement of rotating machinery, the blade area...
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Stability enhancement optimization method for suppressing speed fluctuation under large-scale speed regulation process of super-high-speed electric air compressor
As a core component of fuel cell systems, a super-high-speed electric air compressor plays a decisive role in effective operation of fuel cell...
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Dropdown Analysis of High-Speed Thin-Shaft Coupled Rotor System Integrated with Three Active Magnetic Bearings
Rotating machines supported by Active Magnetic Bearings (AMBs) are also equipped with touchdown bearings (TDBs) to support the rotor in cases of...
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Aerodynamic Performance of a Multi-stage Axial Compressor with Tip Clearance Coupled with Hub Fillet
Turbo jet is one of the most important components of jet plane. Improving the performances of the engine has always been a prime concern of...
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Mechanism of stability enhancement of vane diffuser with different combined treatment methods
To solve the problem of a narrow flow range of a vane diffuser at high speed while maintaining adequate centrifugal compressor performance, the wing...
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Performance Analysis of 3D Printed Impellers for Portable Vacuum Cleaner
Additive manufacturing has become very handy now a days to check the performance of a prototype product, before launching it to the market. This...
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Active Magnetic Bearings, Variable-Speed Centrifugal Air Compressors Suitable to Reduce Carbon Footprint, is it Really the Case?
The purpose of this article is to compare and evaluate the performance of two types of compressor units—one utilizing high-speed direct drive...
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Optimization of Discrete Cavities with Guide Vanes in A Centrifugal Compressor based on A Comparative Analysis of Optimization Techniques
Discrete cavities with guide vanes were developed and optimized to improve the operating stability of a centrifugal compressor. Various combinations...
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Computational Investigation of Centrifugal Compressors Operating with Air and Supercritical CO \(_2\)
The increasing concentration of carbon dioxide (CO \(_2\)...
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CFD analysis on the effects of distorted inlet flows with variable RPM on the stability of the transonic micro-compressor
Progressing advancement concerning the intensification of engine thrust to weight ratio in a gas turbine engine offers ascends to extremely loaded...
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Performance Optimization of Centrifugal Compressors Based on Throughflow Model
In order to realize the fast performance analysis of centrifugal compressor, the performance calculation program of centrifugal compressor based on...
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Numerical Investigation of a Supercritical CO \(_2\) Centrifugal Compressor with an In-House Density Based Compressible CFD Solver
This work presents a numerical investigation of the performance characteristics, flow field and internal aerodynamic losses of a supercritical CO...
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Numerical investigation of internal flow characteristics in a mixed-flow pump with eccentric impeller
In order to study the internal flow fields of mixed-flow pump with eccentric impeller, the numerical simulation and experiment have been conducted...
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Effects of gap between impeller and volute tongue on a pressure fluctuation in double-suction pump
The pump is a machine that receives power through a rotating shaft and converts the mechanical energy into pressure and kinetic energy of fluid....
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Collaborative Design of the Wrap Angles Between Impeller and Space Diffuser of Diagonal-Flow Pump
The wrap angle is one of the key parameters in design of impeller and space diffuser. At present, it is mainly designed based on theoretical...
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Experimental investigation of transient characteristics of mild surge and diffuser rotating stall in a centrifugal compressor with vaned diffuser
The centrifugal compressor is widely used for gas compression in various industrial fields such as aero-engine, gas turbine and turbocharger....
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Numerical and experimental investigation of a cooling technique of a turbocharger radial turbine
Microgas turbines are still limited in performance due to the difficulty of applying cooling systems to the radial turbines (RT). This paper proposes...
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Turbine Machinery Fault Source Tracing Diagnosis and Targeted Suppression Technology
Fault mechanism research, test verification and engineering case studies are closely combined with industrial Internet big data analysis, and it is...
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Improvement in stable operating range of a centrifugal compressor with leaned diffuser vanes
The stable operating range of the centrifugal compressor is limited by stall or surge at lower mass flow rates and by choke at higher mass flow...