This chapter focuses on residents’ sensorial experiences of the 24-hour city, highlighting the in... more This chapter focuses on residents’ sensorial experiences of the 24-hour city, highlighting the interaction between the physical environment and the emotional and sensorial responses of the people within it, that together co-produce the sensory 24-hour city.
... techniques were predominantly used for recording researchers' observations (eg p... more ... techniques were predominantly used for recording researchers' observations (eg providingfieldwork memory aids ... The photo‐survey used within this study certainly gave rise to an opportunity ... researched and the researcher, as it was the research participant (not the researcher ...
ABSTRACT The concept of the 24-hour city evokes vibrancy and a dynamic that suggests the harmonio... more ABSTRACT The concept of the 24-hour city evokes vibrancy and a dynamic that suggests the harmonious coexistence of mixed land uses which might otherwise be considered improbable neighbors. In reality we see a 24-hour city full of diverse uses, needs and requirements, ...
This paper investigates the impact of well geometry and surface reflectance on vertical daylight ... more This paper investigates the impact of well geometry and surface reflectance on vertical daylight levels in atria with square forms under a CIE standard overcast sky. By reviewing some previous investigations and comparing with scale model measurements the vertical daylight factor calculated using Radiance are validated. More simulated vertical daylight factors for a very wide range of atrium geometries and reflectances are given. From the results the attenuation and distribution of the vertical daylight levels on the wall of a square atrium with different reflectances are displayed. Also, the comparisons between simulations and two analytical theories have been performed. Finally some conclusions for supporting daylight design in atria are presented.
ABSTRACT This study investigated the impact of well geometry and surface reflectance on vertical ... more ABSTRACT This study investigated the impact of well geometry and surface reflectance on vertical daylight factors on the walls of rectangular atria under a CIE standard overcast sky. The vertical daylight factors predicted using the modelling software Radiance were validated by artificial sky scale model measurements. More simulated data of vertical daylight factors for a very wide range of rectangular atrium geometries and surface reflectances are presented. From the results the variations of the vertical daylight factor on the walls of rectangular atria were assessed and some empirical functions were derived. Initial guidelines for supporting design are presented.
... 0.00 Pli: 803601323(96)000364 Thermal Performance of Traditional and Contemporary Housing in ... more ... 0.00 Pli: 803601323(96)000364 Thermal Performance of Traditional and Contemporary Housing in the Cool Season of Zambia ALBERT MALAMA* STEVE SHARPLES ... 00 02 04 06 08 10 12 14 16 18 20 22 Time (Hours) Internal tanpCTture Lowr comfort limit Upper comfort limit ...
The pressure flow characteristics of a number of full-scale model cracks, representative of real ... more The pressure flow characteristics of a number of full-scale model cracks, representative of real leakage paths, have been measured. The crack flow equations developed by Etheridge [1] have been verified over a wider range of parameters. The authors suggest a quadratic ...
A thermal comfort field survey in Zambia, a country which experiences a tropical upland climate, ... more A thermal comfort field survey in Zambia, a country which experiences a tropical upland climate, is described. The survey was done in the cool season (June/July) in the city of Kitwe situated in the north of the country, using the Bedford scale. The neutral temperature was found to be 22.2 °C and the comfort zone was 19.7–24.7 °C. The survey
The potential to use natural ventilation for buildings in busy urban areas affected by high level... more The potential to use natural ventilation for buildings in busy urban areas affected by high levels of road traffic noise can be limited by excessive noise entering through ventilation openings. This paper is concerned with techniques to reduce noise ingress into naturally ventilated buildings while minimizing airflow path resistance. A method is proposed for quantifying the acoustic and airflow performance
Http Dx Doi Org 10 1080 00038628 1999 9696875, Oct 10, 2011
ABSTRACT This study investigated the change in glazing daylight transmittance due to the depositi... more ABSTRACT This study investigated the change in glazing daylight transmittance due to the deposition of urban airborne pollutants using a seven-sided glazed building model in a large city centre. The model was constructed with four vertical surfaces, two surfaces inclined at approximately 45° and one horizontal surface in order to examine the effect of orientation and inclination on the rate of deposition. The model remained at the site for two consecutive annual runs. The main feature affecting the loss in glazing transmittance due to deposition was found to be extreme weather conditions, which in this context implies thunderstorms (heavy rains) and snow. Other meteorological factors, such as relative humidity and wind, also affected the deposition of airborne pollutants on the glazing, but to a lesser extent. The effect of seasonal changes was minimal. Glazing transmittance was seen to decrease (due to deposition of airborne pollutants) with the change in the angle of inclination of the glazing from the vertical to the horizontal.
This chapter focuses on residents’ sensorial experiences of the 24-hour city, highlighting the in... more This chapter focuses on residents’ sensorial experiences of the 24-hour city, highlighting the interaction between the physical environment and the emotional and sensorial responses of the people within it, that together co-produce the sensory 24-hour city.
... techniques were predominantly used for recording researchers' observations (eg p... more ... techniques were predominantly used for recording researchers' observations (eg providingfieldwork memory aids ... The photo‐survey used within this study certainly gave rise to an opportunity ... researched and the researcher, as it was the research participant (not the researcher ...
ABSTRACT The concept of the 24-hour city evokes vibrancy and a dynamic that suggests the harmonio... more ABSTRACT The concept of the 24-hour city evokes vibrancy and a dynamic that suggests the harmonious coexistence of mixed land uses which might otherwise be considered improbable neighbors. In reality we see a 24-hour city full of diverse uses, needs and requirements, ...
This paper investigates the impact of well geometry and surface reflectance on vertical daylight ... more This paper investigates the impact of well geometry and surface reflectance on vertical daylight levels in atria with square forms under a CIE standard overcast sky. By reviewing some previous investigations and comparing with scale model measurements the vertical daylight factor calculated using Radiance are validated. More simulated vertical daylight factors for a very wide range of atrium geometries and reflectances are given. From the results the attenuation and distribution of the vertical daylight levels on the wall of a square atrium with different reflectances are displayed. Also, the comparisons between simulations and two analytical theories have been performed. Finally some conclusions for supporting daylight design in atria are presented.
ABSTRACT This study investigated the impact of well geometry and surface reflectance on vertical ... more ABSTRACT This study investigated the impact of well geometry and surface reflectance on vertical daylight factors on the walls of rectangular atria under a CIE standard overcast sky. The vertical daylight factors predicted using the modelling software Radiance were validated by artificial sky scale model measurements. More simulated data of vertical daylight factors for a very wide range of rectangular atrium geometries and surface reflectances are presented. From the results the variations of the vertical daylight factor on the walls of rectangular atria were assessed and some empirical functions were derived. Initial guidelines for supporting design are presented.
... 0.00 Pli: 803601323(96)000364 Thermal Performance of Traditional and Contemporary Housing in ... more ... 0.00 Pli: 803601323(96)000364 Thermal Performance of Traditional and Contemporary Housing in the Cool Season of Zambia ALBERT MALAMA* STEVE SHARPLES ... 00 02 04 06 08 10 12 14 16 18 20 22 Time (Hours) Internal tanpCTture Lowr comfort limit Upper comfort limit ...
The pressure flow characteristics of a number of full-scale model cracks, representative of real ... more The pressure flow characteristics of a number of full-scale model cracks, representative of real leakage paths, have been measured. The crack flow equations developed by Etheridge [1] have been verified over a wider range of parameters. The authors suggest a quadratic ...
A thermal comfort field survey in Zambia, a country which experiences a tropical upland climate, ... more A thermal comfort field survey in Zambia, a country which experiences a tropical upland climate, is described. The survey was done in the cool season (June/July) in the city of Kitwe situated in the north of the country, using the Bedford scale. The neutral temperature was found to be 22.2 °C and the comfort zone was 19.7–24.7 °C. The survey
The potential to use natural ventilation for buildings in busy urban areas affected by high level... more The potential to use natural ventilation for buildings in busy urban areas affected by high levels of road traffic noise can be limited by excessive noise entering through ventilation openings. This paper is concerned with techniques to reduce noise ingress into naturally ventilated buildings while minimizing airflow path resistance. A method is proposed for quantifying the acoustic and airflow performance
Http Dx Doi Org 10 1080 00038628 1999 9696875, Oct 10, 2011
ABSTRACT This study investigated the change in glazing daylight transmittance due to the depositi... more ABSTRACT This study investigated the change in glazing daylight transmittance due to the deposition of urban airborne pollutants using a seven-sided glazed building model in a large city centre. The model was constructed with four vertical surfaces, two surfaces inclined at approximately 45° and one horizontal surface in order to examine the effect of orientation and inclination on the rate of deposition. The model remained at the site for two consecutive annual runs. The main feature affecting the loss in glazing transmittance due to deposition was found to be extreme weather conditions, which in this context implies thunderstorms (heavy rains) and snow. Other meteorological factors, such as relative humidity and wind, also affected the deposition of airborne pollutants on the glazing, but to a lesser extent. The effect of seasonal changes was minimal. Glazing transmittance was seen to decrease (due to deposition of airborne pollutants) with the change in the angle of inclination of the glazing from the vertical to the horizontal.
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Papers by Steve Sharples