Wells turbine for wave energy conversion: a review
In the past 20 years, the use of wave energy systems has significantly increased, generally
depending on the oscillating water column concept. Wells turbine is one of the most efficient …
depending on the oscillating water column concept. Wells turbine is one of the most efficient …
Review of CFD studies on axial-flow self-rectifying turbines for OWC wave energy conversion
Y Cui, Z Liu, X Zhang, C Xu - Ocean Engineering, 2019 - Elsevier
Oscillating water column (OWC) is the most widely used wave energy converting technology
for onshore structures. The interest in OWC wave energy converters (WECs) has been rising …
for onshore structures. The interest in OWC wave energy converters (WECs) has been rising …
A numerical study on mechanisms of energy dissipation in a pump as turbine (PAT) using entropy generation theory
The utilization of pumps in reverse function is one of the economically beneficial methods for
off-grid power generation in micro-hydropower capacities. The traditional method of …
off-grid power generation in micro-hydropower capacities. The traditional method of …
Entropy generation and exergy destruction in condensing steam flow through turbine blade with surface roughness
In the steam turbine, the wetness loss due to vapor condensation is one of the most crucial
losses at low-pressure stage. This study focused on entropy generation and exergy …
losses at low-pressure stage. This study focused on entropy generation and exergy …
Entropy generation minimization of a pump running in reverse mode based on surrogate models and NSGA-II
Pumps in reverse function are one of the most cost-effective industrial devices to generate
power from small hydropower capacities. Due to the fact that the pump components are not …
power from small hydropower capacities. Due to the fact that the pump components are not …
Evaluation of energy loss in a low-head axial flow turbine under different blade numbers using entropy production method
The internal flow loss characteristics of axial flow turbines (AFT), which are often utilized to
generate hydropower, have not yet been completely explored. The flow loss characteristics …
generate hydropower, have not yet been completely explored. The flow loss characteristics …
Numerical and experimental investigations on inflow loss in the energy recovery turbines with back-curved and front-curved impeller based on the entropy generation …
B Qi, D Zhang, L Geng, R Zhao, BPM Van Esch - Energy, 2022 - Elsevier
Pump as turbine (PAT) is one of the economical and effective energy recovery devices in
small hydropower stations. A back-curved PAT and a front-curved PAT were designed, and …
small hydropower stations. A back-curved PAT and a front-curved PAT were designed, and …
Detailed entropy generation analysis of a Wells turbine using the variation of the blade thickness
M Nazeryan, E Lakzian - Energy, 2018 - Elsevier
The inherent disadvantages, due to the narrow operational range and low efficiency of Wells
turbine, are investigated based on aerodynamic and entropy generation analysis. To …
turbine, are investigated based on aerodynamic and entropy generation analysis. To …
Optimization of Wells turbine performance using a hybrid artificial neural fuzzy inference system (ANFIS)-Genetic algorithm (GA)
A Mahrooghi, E Lakzian - Ocean Engineering, 2021 - Elsevier
Renewable energy resources are considered as alternative sources of energy for future
generations. Wells turbines can be used to convert the reciprocating energy of waves in …
generations. Wells turbines can be used to convert the reciprocating energy of waves in …
A numerical study on the performance of a superhydrophobic coated very low head (VLH) axial hydraulic turbine using entropy generation method
Fluids slip on superhydrophobic surfaces. The slip velocity is modeled by Navier's slip-
length. A user defined function (UDF) in ANSYS Fluent 15.0 was developed to implement …
length. A user defined function (UDF) in ANSYS Fluent 15.0 was developed to implement …