Journal ArticleDOI
Multi-objective optimization of the airfoil shape of Wells turbine used for wave energy conversion
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TLDR
In this article, an optimization procedure is carried out by coupling an in-house optimization library (OPAL (OPtimization ALgorithms)) with an industrial CFD code (ANSYS-Fluent).About:
This article is published in Energy.The article was published on 2011-01-01. It has received 106 citations till now. The article focuses on the topics: Wells turbine & Turbine.read more
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Performance investigation of H-rotor Darrieus turbine with new airfoil shapes
TL;DR: In this article, the performance of the straight Darrieus turbine (H-rotor) was investigated for 20 different airfoils (Symmetric and Non-symmetric) by two-dimensional Computational Fluid Dynamics in order to maximize output torque coefficient and output power coefficient (efficiency).
Journal ArticleDOI
Optimization classification, algorithms and tools for renewable energy: A review
Muhammad Iqbal,Muhammad Azam,Muhammad Naeem,Muhammad Naeem,Ahmed Shaharyar Khwaja,Alagan Anpalagan +5 more
TL;DR: This paper presents a review of different optimization methods for deployment and operation of renewable energy sources based generating units, and presents different types of linear and non-linear optimization algorithms used in renewableEnergy sources.
Journal ArticleDOI
Impacts of solidity and hybrid system in small wind turbines performance
TL;DR: In this article, the effect of the turbine solidity and the usage of hybrid system between drag and lift types have been investigated numerically using CFD (Computational Fluid Dynamics) technique and experimentally.
Book
Comprehensive Renewable Energy
TL;DR: The comprehensive renewable energy reference work as discussed by the authors is a multi-volume reference work of its type at a time when renewable energy sources are seen increasingly as realistic alternatives to fossil fuels, and can be considered the definitive work for this subject area.
Journal ArticleDOI
Performance analysis of a Savonius hydrokinetic turbine having twisted blades
Anuj Kumar,R.P. Saini +1 more
TL;DR: Using CFD analysis, an attempt has been made to optimize blade twist angle of Savonius hydrokinetic turbine as discussed by the authors, which is a vertical axis turbine having drag based rotor and suitable for a lower flow velocity of the water stream.
References
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Journal ArticleDOI
Energy system analysis of 100% renewable energy systems-The case of Denmark in years 2030 and 2050
Henrik Lund,Brian Vad Mathiesen +1 more
TL;DR: In this paper, the authors present the methodology and results of the overall energy system analysis of a 100% renewable energy system, which includes hour by hour computer simulations leading to the design of flexible energy systems with the ability to balance the electricity supply and demand.
Book
Applied Shape Optimization for Fluids
TL;DR: In this article, the optimal shape design and partial differential equation for optimal shape optimization for unsteady flows is discussed. But the authors focus on the optimization platform and implementation issues.
Journal ArticleDOI
Optimal blade shape of a modified Savonius turbine using an obstacle shielding the returning blade
TL;DR: In this article, the geometry of the blade shape (skeleton line) was optimized in the presence of the obstacle plate to increase the output power of a Savonius turbine.
Journal ArticleDOI
Current status of self rectifying air turbines for wave energy conversion
Toshiaki Setoguchi,Manabu Takao +1 more
TL;DR: In this article, a review of the state of the art on self rectifying air turbines, which could be used for wave energy conversion, has been presented, and the overall performances of the turbines under irregular wave conditions, which typically occur in the sea, have been evaluated numerically and compared from the viewpoints of their starting and running characteristics.
Journal ArticleDOI
Multi-objective shape optimization of a heat exchanger using parallel genetic algorithms
TL;DR: A genetic algorithm is used to find the geometry most favorable to simultaneously maximize heat exchange while obtaining a minimum pressure loss, and a nearly optimal speed-up is obtained for the present configuration.
Related Papers (5)
The energy conversion performance of several types of Wells turbine designs
Richard Curran,Luís M.C. Gato +1 more