The effect of hybrid savonius and darrieus turbine on the change of wake recovery and improvement of wind energy harvesting

Erwin Erwin, Adi Surjosatyo, Julianto Sulistyo Nugroho, Teuku Meurahindra Mahlia, Tresna Soemardi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The energy crisis encourages the development of renewable energy; one of the potential renewable energy is wind. In the field of wind turbine there is a two-way development of the utilization of wind energy, first by making a large wind turbine, the second by making a wind farm energy with a relatively small wind turbine.This hybrid VAWT wind turbine (Sultan Wind Turbine) is designed to work optimally on a farm array, on a wind turbine farm array will always cause a wake effect that will reduce overall wind turbine and farm array performance, an investigation with a CFD simulation is required to predict how far the wake effect will be before farm array build.The use of simulation software has been widely used to predict the effects of this wake, and experiments in the laboratory have also been done to predict the effects of a wake as well.This study'spurpose is to predict the distance area of the recovery wake behindthe wind turbine, this distance which will be the reference distance between wind turbine units and determining the density of the turbine in a farm. Simulation using Computational Fluid Dynamics (CFD), with a method of Multi Frame Reference (MRF). Analysis using descriptive and inferential method in statistics such as mean, Kolmogorov-Smirnov Z and KruskalWalis test.From the analysis of simulation results and data processing descriptively and analytic statistic, it can be concluded from the data given, the distance of x/D=4, wind speed has recovery to the value near the input speed and no significant change to x/D= 9. Then it can be concluded that the distance between two windturbines that can be used is a distance of 3.6 meters.These data suggest that the hybrid farm array VAWT savonius and darrieus have a higher power density compared to HAWT. From this power density calculation the hybrid VAWT has a greater electrical potential up to 300 percent compared to the HAWT farm array.

Original languageEnglish
Pages (from-to)416-423
Number of pages8
JournalJournal of Applied Engineering Science
Volume16
Issue number3
DOIs
Publication statusPublished - 01 Jan 2018

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wind energy
Energy harvesting
Wind turbines
Wind power
Farms
farm
Turbines
Recovery
simulation
renewable energy
statistics
Computational fluid dynamics
energy crisis
Statistics
utilization
energy
cause
experiment

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Renewable Energy, Sustainability and the Environment
  • Transportation
  • Safety, Risk, Reliability and Quality
  • Engineering(all)
  • Mechanical Engineering

Cite this

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title = "The effect of hybrid savonius and darrieus turbine on the change of wake recovery and improvement of wind energy harvesting",
abstract = "The energy crisis encourages the development of renewable energy; one of the potential renewable energy is wind. In the field of wind turbine there is a two-way development of the utilization of wind energy, first by making a large wind turbine, the second by making a wind farm energy with a relatively small wind turbine.This hybrid VAWT wind turbine (Sultan Wind Turbine) is designed to work optimally on a farm array, on a wind turbine farm array will always cause a wake effect that will reduce overall wind turbine and farm array performance, an investigation with a CFD simulation is required to predict how far the wake effect will be before farm array build.The use of simulation software has been widely used to predict the effects of this wake, and experiments in the laboratory have also been done to predict the effects of a wake as well.This study'spurpose is to predict the distance area of the recovery wake behindthe wind turbine, this distance which will be the reference distance between wind turbine units and determining the density of the turbine in a farm. Simulation using Computational Fluid Dynamics (CFD), with a method of Multi Frame Reference (MRF). Analysis using descriptive and inferential method in statistics such as mean, Kolmogorov-Smirnov Z and KruskalWalis test.From the analysis of simulation results and data processing descriptively and analytic statistic, it can be concluded from the data given, the distance of x/D=4, wind speed has recovery to the value near the input speed and no significant change to x/D= 9. Then it can be concluded that the distance between two windturbines that can be used is a distance of 3.6 meters.These data suggest that the hybrid farm array VAWT savonius and darrieus have a higher power density compared to HAWT. From this power density calculation the hybrid VAWT has a greater electrical potential up to 300 percent compared to the HAWT farm array.",
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The effect of hybrid savonius and darrieus turbine on the change of wake recovery and improvement of wind energy harvesting. / Erwin, Erwin; Surjosatyo, Adi; Nugroho, Julianto Sulistyo; Mahlia, Teuku Meurahindra; Soemardi, Tresna.

In: Journal of Applied Engineering Science, Vol. 16, No. 3, 01.01.2018, p. 416-423.

Research output: Contribution to journalArticle

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