In-pipe axial pico-hydraulic tailored turbine design: a novel approach using a dimensionless design chart
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Máquinas y Motores Térmicos; Mecánica de FluidosPatrocinadores
This work have been supported by Fundación Séneca (Murcia, Spain)[Grant No. 20352/FPI/17].Realizado en/con
Universidad Politécnica de CartagenaFecha de publicación
2021-11-09Editorial
ELSEVIERCita bibliográfica
Abraham Vivas, A. Viedma, A. S. Kaiser, In-pipe axial pico-hydraulic tailored turbine design: A novel approach using a dimensionless design chart, Energy Conversion and Management, Volume 250, 2021, 114884, ISSN 0196-8904, https://doi.org/10.1016/j.enconman.2021.114884.Revisión por pares
SIPalabras clave
Turbomachinery designEnergy efficiency
Bi-dimensional cascade theory
Computational fluid dynamics
OpenFOAM
Resumen
Energy consumed by the water industry is not negligible and improvements on energy efficiency in water distribution networks are still needed. This work aims to provide a new approach to design tailored torpedo shaped in-pipe axial pico-hydraulic turbines for the recovery of energy in water distribution networks. Simple straight untwisted blades with arc of circles profiles are imposed to simplify manufacturing. Ideal flow bi-dimensional cascade theory with Weinel isolated airfoil to cascade correlations are used as compromise between accuracy and simplicity. From it, a dimensionless design chart is build. A novel flow-to-head factor is chosen as main dimensionless factor to simplify stator analysis and obtain a more compact chart. From five usual input design parameters, choosing the value of three, and letting two of them to vary allows the trace of a space of all optimal designs. From this space, a turbine or family of turbines can be obtained. A design example on the same conditions ...
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