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Experimental and analytical analysis of vaned savonius turbine performance under different operating conditions
(Elsevier, 2019-05-13)
Global energy production is shifting towards more distributed technologies, where power generation takes place close to people. A vaned Savonius wind turbine is one of the possible solutions, which can fulfil the requirements ...
CFD Modelling of a Centrifugal Compressor with Experimental Validation through Radial Diffuser Static Pressure Measurement
(Hindawi, 2019)
This paper compares experimental static pressure measurement with CFD simulation in a centrifugal compressor at 12 points through the diffuser. Three mass flow rates are selected, each for three operating speeds giving ...
Modelling of Low-Reynolds-Number Centrifugal Compressors: Challenges in Performance and Flow Control Prediction
(2018)
A low-Reynolds-number causes a performance deterioration in centrifugal compressors due to the relative increase in boundary layer thickness, tip clearance, and surface roughness. The degradation of the efficiency can be ...
Validation of the Axial Thrust Estimation Method for Radial Turbomachines
(Hindawi, 2021-02-24)
The fast preliminary design and safe operation of turbomachines require a simple and accurate prediction of axial thrust. An underestimation of these forces may result in undersized bearings that can easily overload and ...
Numerical analysis of working fluids for large scale centrifugal compressor driven cascade heat pumps upgrading waste heat
(Elsevier, 2020-05-14)
Heat pump technology has the capability to upgrade unusable low-temperature waste heat and make the upgraded heat usable for different types of industrial and domestic heating applications. Heat upgrading could allow to ...
Effect of non-ideally manufactured riblets on airfoil and wind turbine performance
(Elsevier, 2020-03-25)
Riblets are a passive flow control method, which can be used for drag reduction, especially with small wind turbines that have a low Reynolds number. Riblet manufacturing, however, is a challenging task and the required ...