Study on wind environmental problems caused around buildings in Japan

Kamei, Isamu; Maruta, Eizo

doi:10.1016/0167-6105(79)90010-2

Cited by 45 publications

(14 citation statements)

References 4 publications

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“…This technique is regarded as a robust method to evaluate wind speed at limited points and was used successfully by several researchers [26][27][28][29][30]. Generally, a portable three cup-anemometer with wind vane system is used for this purpose.…”

Section: Field Measurement Techniquesmentioning

confidence: 99%

A review on the study of urban wind at the pedestrian level around buildings

Mittal

Sharma

Gairola

2018

Journal of Building Engineering

115

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Section: Field Measurement Techniquesmentioning

confidence: 99%

A review on the study of urban wind at the pedestrian level around buildings

Mittal

Sharma

Gairola

2018

Journal of Building Engineering

115

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“…The aim of these studies was in most cases not directed towards wind energy harvesting, but rather to other issues such as for example determination of surface pressures or pedestrian wind comfort. Experimental measurements of isolated building flows have been carried out in wind tunnels using hot wire measurements (Kawamura et al [25], Murakami et al [26], Kamei and Maruta [27]), scour techniques (Livesey et al [28]) and infrared thermography (H. Wu [29]). These studies were carried out with the intention of studying flows at the pedestrian level.…”

Section: Building Influence and Wind Energy Exploitationmentioning

confidence: 99%

A Review of Urban Wind Energy Research: Aerodynamics and Other Challenges

Micaleff

Bussel

2018

Energies

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Urban wind energy research is crucial for the success or failure of wind turbines installed in the built environment. Research in this field is fragmented into various research groups working on different topics in isolation with seemingly few efforts of integrating the various fields. This review aims at highlighting the synergies between the various advances, particularly in aerodynamics, but also in other areas. Past and current work has been focused on establishing reliable wind statistics at the site of interest. Advances in building aerodynamics have provided new insight on the local flow occurring at the rotor location. An outlook toward future research and the need to treat the different flow scales in a holistic manner is emphasized given also the recent advances in rotor aerodynamics related to the effect of flow skewness and turbulence. This will shed light on the critical issues that need to be addressed by scientists in order to make urban wind energy viable for decentralized generation. Various other present challenges are discussed briefly including structural aspects, noise emissions, economics and visual impact. Research in this field should be the guidepost for more targeted certification standards, in an effort to regularize the small wind energy market.

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“…), which is considerably smaller than 0.3. The LWS condition is likely related to low ambient wind speeds in Hong Kong, which in turn, do not generate unpleasant or dangerous high-speed winds near high-rise buildings as reported by many studies in the literature [39][40][41][42].…”

Section: Wind Conditions Around a Group Of High-rise Buildingsmentioning

confidence: 99%

A wind tunnel study of effects of twisted wind flows on the pedestrian-level wind field in an urban environment

Weerasuriya

Tse

Zhang

et al. 2018

Building and Environment

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The influence of twisted wind flows on the pedestrian-level wind (PLW) field of an urban area was evaluated by testing a typical urban site (Tsuen Wan, Hong Kong) in a boundary layer wind tunnel. Four twisted wind profiles with different magnitudes and directions of yaw angles were employed to investigate variations in wind speed with the properties of the twisted wind flows at the pedestrian level. An additional conventional wind profile with similar wind speeds and turbulence intensities to the twisted winds but with zero yaw angles was simulated for comparisons. The mean wind speeds at 77 locations including the perimeter, roadsides, and groups of highrise buildings were analysed for the conventional and the four twisted wind flows. The comparisons show a tendency of twisted winds to generate higher wind speeds at the pedestrian level than the conventional wind profile. The wind speeds of the twisted winds have a strong dependence on the magnitude and direction of the yaw angles, particularly at locations where the densities of buildings in the neighbourhood are low and hence local wind circulations are significantly modified by the twisted winds.

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Study on wind environmental problems caused around buildings in Japan

Cited by 45 publications

References 4 publications

A review on the study of urban wind at the pedestrian level around buildings

A review on the study of urban wind at the pedestrian level around buildings

A Review of Urban Wind Energy Research: Aerodynamics and Other Challenges

A wind tunnel study of effects of twisted wind flows on the pedestrian-level wind field in an urban environment

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