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Conference Paper: Experimental study on near-ground boundary layer response to the change in different patterns of urban-type surface
| Title | Experimental study on near-ground boundary layer response to the change in different patterns of urban-type surface |
|---|---|
| Authors | |
| Issue Date | 2013 |
| Citation | The 2013 European and African Conference on Wind Engineering (EACWE 2013), Cambridge, UK., 7-11 July 2013. How to Cite? |
| Abstract | The flow behaviour over various two-dimensional (2D) urban-type surfaces was investigated in a
laboratory wind tunnel. Square aluminium bars of size 2.5 cm were used to represent flat-roof
buildings and the building separation was adjusted to fabricate various types of urban surface of
building-height-to-street-width (aspect) ratios of 1, 1/2, 1/8, 1/10 and 1/12. Mean velocities and
velocity fluctuations were measured with a 90o X–hotwire anemometry. The current results compare
well with our previous large-eddy simulation (LES). Analysis of the turbulence characteristics for
different urban surfaces was performed in attempt to examine the near-ground boundary layer
response to various street-canyon configurations. |
| Persistent Identifier | http://hdl.handle.net/10722/190039 |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Ho, YK | en_US |
| dc.contributor.author | Liu, CH | en_US |
| dc.date.accessioned | 2013-09-17T15:04:42Z | - |
| dc.date.available | 2013-09-17T15:04:42Z | - |
| dc.date.issued | 2013 | en_US |
| dc.identifier.citation | The 2013 European and African Conference on Wind Engineering (EACWE 2013), Cambridge, UK., 7-11 July 2013. | en_US |
| dc.identifier.uri | http://hdl.handle.net/10722/190039 | - |
| dc.description.abstract | The flow behaviour over various two-dimensional (2D) urban-type surfaces was investigated in a laboratory wind tunnel. Square aluminium bars of size 2.5 cm were used to represent flat-roof buildings and the building separation was adjusted to fabricate various types of urban surface of building-height-to-street-width (aspect) ratios of 1, 1/2, 1/8, 1/10 and 1/12. Mean velocities and velocity fluctuations were measured with a 90o X–hotwire anemometry. The current results compare well with our previous large-eddy simulation (LES). Analysis of the turbulence characteristics for different urban surfaces was performed in attempt to examine the near-ground boundary layer response to various street-canyon configurations. | - |
| dc.language | eng | en_US |
| dc.relation.ispartof | European and African Conference on Wind Engineering, EACWE 2013 | en_US |
| dc.title | Experimental study on near-ground boundary layer response to the change in different patterns of urban-type surface | en_US |
| dc.type | Conference_Paper | en_US |
| dc.identifier.email | Ho, YK: yatkiuho@hku.hk | en_US |
| dc.identifier.email | Liu, CH: chliu@hku.hk | en_US |
| dc.identifier.authority | Liu, CH=rp00152 | en_US |
| dc.description.nature | postprint | - |
| dc.identifier.hkuros | 224510 | en_US |
| dc.customcontrol.immutable | sml 140415 | - |