dc.contributor.author |
Yao, R |
|
dc.contributor.author |
Luo, Q |
|
dc.contributor.author |
Li, B |
|
dc.date.accessioned |
2013-10-21T02:37:56Z |
|
dc.date.available |
2013-10-21T02:37:56Z |
|
dc.identifier.uri |
http://dl.lib.mrt.ac.lk/handle/123/8805 |
|
dc.description.abstract |
Techniques for modelling urban microclimates and urban block surfaces temperatures are desired by
urban planners and architects for strategic urban designs at the early design stages. This paper introduces
a simplified mathematical model for urban simulations (UMsim) including urban surfaces temperatures
and microclimates. The nodal network model has been developed by integrating coupled thermal and
airflow model. Direct solar radiation, diffuse radiation, reflected radiation, long-wave radiation, heat
convection in air and heat transfer in the exterior walls and ground within the complex have been taken
into account. The relevant equations have been solved using the finite difference method under the
Matlab platform. Comparisons have been conducted between the data produced from the simulation and
that from an urban experimental study carried out in a real architectural complex on the campus of
Chongqing University, China in July 2005 and January 2006. The results show a satisfactory agreement
between the two sets of data. The UMsim can be used to simulate the microclimates, in particular the
surface temperatures of urban blocks, therefore it can be used to assess the impact of urban surfaces
properties on urban microclimates. The UMsim will be able to produce robust data and images of urban
environments for sustainable urban design. |
|
dc.language |
en |
|
dc.subject |
Coupled thermal and airflow |
|
dc.subject |
Solar radiation |
|
dc.subject |
DEM (Digital Elevation Mode |
|
dc.subject |
Nodal network |
|
dc.subject |
Urban Microclimate simulation (UMsim) |
|
dc.title |
A simplified mathematical model for urban microclimate simulation |
|
dc.type |
Article-Full-text |
|
dc.identifier.year |
2011 |
|
dc.identifier.journal |
Building and Environment| |
|
dc.identifier.issue |
1 |
|
dc.identifier.volume |
46 |
|
dc.identifier.database |
- |
|
dc.identifier.pgnos |
253-265 |
|