Building integrated wind energy conversion systems for future cities

Wen Tong Chong, Sin Chew Poh, Ahmad Fazlizan Abdullah

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

A novel power-augmentation-guide-vane (PAGV) that surrounds a vertical axis windturbine (VAWT) is introduced. The system integrates and optimizes several greentechnologies; including urban wind turbine, solar cell module, and rain water collector.The design was conceptualized based on the experiences acquired during thedevelopment and testing of a suitable wind turbine for Malaysian applications. It iscompact and can be built on top of high-rise buildings in order to provide on-siterenewable power to the building. It overcomes the inferior aspect of low wind speeds bychanneling and increasing the speed of the high altitude free-stream wind through thepower-augmentation-guide-vane before it enters the wind turbine at the center portion.The shape or appearance of the PAGV that surrounds the wind turbine can be blendedinto the building architecture without negative visual impact; the system effectivelybecomes part of the building. The computational fluid dynamics simulation results showthat wind speed is increased by a factor of 1.7 after passing through the PAGV. Windtunnel testing on the scaled down model shows that the PAGV improved the startingbehavior and increased the rotational speed of the Sistan rotor VAWT by 73.2 % at awind speed of 3 m/s. The PAGV integrated system (PAGV: 30 m diameter and 14 mhigh; H-rotor VAWT: 17 m diameter and 9 m high) is estimated to facilitate annualenergy savings of 195.2 MWh/year when installed on top of a 220 m high building. Thisestimation is based on the weather (2007 to 2009) data taken at Petaling Jaya, an urbanarea nearby Kuala Lumpur. The given number is the amount of energy that can be savedwith the installation of the system with the mentioned size and conditions. The energysavings come from a wind-solar system that generates electricity to cover a portion of thebuilding's energy needs and a rainwater collector that saves energy otherwise required for water-pumping. The system represents an on-site energy generation for the building.Based on these considerations, this new energy generation configuration is expected togenerate interest in the international market for clean energy generation.

Original languageEnglish
Title of host publicationEnergy
Subtitle of host publicationModern Energy Storage, Conversion, and Transmission in the 21st Century
PublisherNova Science Publishers, Inc.
Pages145-170
Number of pages26
ISBN (Print)9781619425262
Publication statusPublished - 1 Dec 2013
Externally publishedYes

Fingerprint

Energy conversion
Wind power
Wind turbines
Rotors
Solar system
Testing
Rain
Water
Solar cells
Computational fluid dynamics
Electricity
Computer simulation

Keywords

  • Energy conversion
  • Green architecture
  • On-site renewable energy generation
  • Power-augmentation-guide-vane
  • Urban wind energy
  • Vertical axis wind turbine
  • Wind-solar-rain water harvester

ASJC Scopus subject areas

  • Energy(all)

Cite this

Chong, W. T., Poh, S. C., & Abdullah, A. F. (2013). Building integrated wind energy conversion systems for future cities. In Energy: Modern Energy Storage, Conversion, and Transmission in the 21st Century (pp. 145-170). Nova Science Publishers, Inc..

Building integrated wind energy conversion systems for future cities. / Chong, Wen Tong; Poh, Sin Chew; Abdullah, Ahmad Fazlizan.

Energy: Modern Energy Storage, Conversion, and Transmission in the 21st Century. Nova Science Publishers, Inc., 2013. p. 145-170.

Research output: Chapter in Book/Report/Conference proceedingChapter

Chong, WT, Poh, SC & Abdullah, AF 2013, Building integrated wind energy conversion systems for future cities. in Energy: Modern Energy Storage, Conversion, and Transmission in the 21st Century. Nova Science Publishers, Inc., pp. 145-170.
Chong WT, Poh SC, Abdullah AF. Building integrated wind energy conversion systems for future cities. In Energy: Modern Energy Storage, Conversion, and Transmission in the 21st Century. Nova Science Publishers, Inc. 2013. p. 145-170
Chong, Wen Tong ; Poh, Sin Chew ; Abdullah, Ahmad Fazlizan. / Building integrated wind energy conversion systems for future cities. Energy: Modern Energy Storage, Conversion, and Transmission in the 21st Century. Nova Science Publishers, Inc., 2013. pp. 145-170
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N2 - A novel power-augmentation-guide-vane (PAGV) that surrounds a vertical axis windturbine (VAWT) is introduced. The system integrates and optimizes several greentechnologies; including urban wind turbine, solar cell module, and rain water collector.The design was conceptualized based on the experiences acquired during thedevelopment and testing of a suitable wind turbine for Malaysian applications. It iscompact and can be built on top of high-rise buildings in order to provide on-siterenewable power to the building. It overcomes the inferior aspect of low wind speeds bychanneling and increasing the speed of the high altitude free-stream wind through thepower-augmentation-guide-vane before it enters the wind turbine at the center portion.The shape or appearance of the PAGV that surrounds the wind turbine can be blendedinto the building architecture without negative visual impact; the system effectivelybecomes part of the building. The computational fluid dynamics simulation results showthat wind speed is increased by a factor of 1.7 after passing through the PAGV. Windtunnel testing on the scaled down model shows that the PAGV improved the startingbehavior and increased the rotational speed of the Sistan rotor VAWT by 73.2 % at awind speed of 3 m/s. The PAGV integrated system (PAGV: 30 m diameter and 14 mhigh; H-rotor VAWT: 17 m diameter and 9 m high) is estimated to facilitate annualenergy savings of 195.2 MWh/year when installed on top of a 220 m high building. Thisestimation is based on the weather (2007 to 2009) data taken at Petaling Jaya, an urbanarea nearby Kuala Lumpur. The given number is the amount of energy that can be savedwith the installation of the system with the mentioned size and conditions. The energysavings come from a wind-solar system that generates electricity to cover a portion of thebuilding's energy needs and a rainwater collector that saves energy otherwise required for water-pumping. The system represents an on-site energy generation for the building.Based on these considerations, this new energy generation configuration is expected togenerate interest in the international market for clean energy generation.

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