The role of urban design in enhancing the microclimate and thermal comfort in warm-humid Dar es Salaam, Tanzania
(2015) 9th International Conference on Urban Climatology- Abstract
- Due to the complexity of the outdoor environment, urban design patterns considerably affect the microclimate
and outdoor thermal comfort in a given urban morphology. Parameters such as building height and orientation,
spaces between buildings, plot coverage, etc influence the microclimate in terms of solar access, shade, wind
speed and direction. In warm-humid Dar es Salaam, the consideration of microclimate and outdoor thermal
comfort in urban design has received little attention although the urban planning authorities try to develop the
quality of planning and design. The main aim of this study is to investigate the relationship between urban design,
urban microclimate and outdoor comfort in four different areas... (More) - Due to the complexity of the outdoor environment, urban design patterns considerably affect the microclimate
and outdoor thermal comfort in a given urban morphology. Parameters such as building height and orientation,
spaces between buildings, plot coverage, etc influence the microclimate in terms of solar access, shade, wind
speed and direction. In warm-humid Dar es Salaam, the consideration of microclimate and outdoor thermal
comfort in urban design has received little attention although the urban planning authorities try to develop the
quality of planning and design. The main aim of this study is to investigate the relationship between urban design,
urban microclimate and outdoor comfort in four different areas in the city of Dar es Salaam, during the wet and
dry seasons. This investigation is mainly based on microclimate simulations using ENVI-met and different
existing urban morphologies are climatically and thermally studied including low, medium and high rise buildings.
Parameters such as Mean Radiant Temperature (MRT), wind speed and Physiological Equivalent Temperature
index (PET) are presented as thermal maps to highlight the strengths and weaknesses of the existing urban
design in the city. The study illustrates that the areas with low-rise buildings lead to higher MRT values than the areas with high-rise buildings. The results also show that the use of dense trees helps to enhance the thermal conditions, but it might negatively affect the wind ventilation in the outdoor spaces. This study provides a set of guidelines on how to develop the existing situation from microclimate and thermal comfort perspectives. Such guidelines will help architects and urban designers to increase the quality of outdoor environment and demonstrate the need to create better urban spaces in harmony with microclimate and thermal comfort (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/00556470-81f8-48a1-a77d-8db00b67cb46
- author
- Yahia, Moohammed Wasim LU and Johansson, Erik LU
- organization
- publishing date
- 2015
- type
- Contribution to conference
- publication status
- published
- subject
- pages
- 6 pages
- conference name
- 9th International Conference on Urban Climatology
- conference location
- Toulouse, France
- conference dates
- 2015-07-20 - 2015-07-24
- language
- English
- LU publication?
- yes
- id
- 00556470-81f8-48a1-a77d-8db00b67cb46
- alternative location
- http://www.meteo.fr/icuc9/LongAbstracts/udc3-2-5761500_a.pdf
- date added to LUP
- 2019-06-14 10:24:04
- date last changed
- 2023-11-14 15:48:40
@misc{00556470-81f8-48a1-a77d-8db00b67cb46,
abstract = {{Due to the complexity of the outdoor environment, urban design patterns considerably affect the microclimate<br/>and outdoor thermal comfort in a given urban morphology. Parameters such as building height and orientation,<br/>spaces between buildings, plot coverage, etc influence the microclimate in terms of solar access, shade, wind<br/>speed and direction. In warm-humid Dar es Salaam, the consideration of microclimate and outdoor thermal<br/>comfort in urban design has received little attention although the urban planning authorities try to develop the<br/>quality of planning and design. The main aim of this study is to investigate the relationship between urban design,<br/>urban microclimate and outdoor comfort in four different areas in the city of Dar es Salaam, during the wet and<br/>dry seasons. This investigation is mainly based on microclimate simulations using ENVI-met and different<br/>existing urban morphologies are climatically and thermally studied including low, medium and high rise buildings.<br/>Parameters such as Mean Radiant Temperature (MRT), wind speed and Physiological Equivalent Temperature<br/>index (PET) are presented as thermal maps to highlight the strengths and weaknesses of the existing urban<br/>design in the city. The study illustrates that the areas with low-rise buildings lead to higher MRT values than the areas with high-rise buildings. The results also show that the use of dense trees helps to enhance the thermal conditions, but it might negatively affect the wind ventilation in the outdoor spaces. This study provides a set of guidelines on how to develop the existing situation from microclimate and thermal comfort perspectives. Such guidelines will help architects and urban designers to increase the quality of outdoor environment and demonstrate the need to create better urban spaces in harmony with microclimate and thermal comfort}},
author = {{Yahia, Moohammed Wasim and Johansson, Erik}},
language = {{eng}},
title = {{The role of urban design in enhancing the microclimate and thermal comfort in warm-humid Dar es Salaam, Tanzania}},
url = {{https://lup.lub.lu.se/search/files/65973552/Yahia_and_Johansson_2015.pdf}},
year = {{2015}},
}