An adaptive thermal comfort model for the Tunisian context: a field study results

Bouden, Chiheb; Ghrab, N.

doi:10.1016/j.enbuild.2004.12.003

Cited by 126 publications

(64 citation statements)

References 9 publications

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“…Becker et al [60] evaluated the correlation of observed and calculated thermal sensation values according to this index for four different locations in the area of Kibbutz Yotvata (Israel) and they found that the correlation coefficient ranged between 0.60 and 0.81 with an average of 0.70. Similar results were obtained by Bouden and Ghrab [61]: they carried out a cross-sectional investigation in five different Tunisian cities finding a correlation coefficient of about 0.71. Differently, the results of a study conducted by Cheng et al [62] in Hong Kong show that PMV generally overestimates the thermal sensation towards the warmer end of the scale in summer and vice versa in winter.…”

Section: The Pmvsupporting

confidence: 71%

Evaluation of Different Urban Microclimate Mitigation Strategies through a PMV Analysis

et al. 2015

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Abstract:Outdoor thermal comfort affects the health of the people and the quality of life in urban areas. This is the reason why in the past few years different mitigation strategies for the microclimate have been studied and examined. These strategies depend on those passive factors characterizing the urban setting that are able to affect the values of local meteorological variables, as the limit surfaces of the urban space (parterre and façades of the buildings). This paper examines the Cloister by Giuliano da Sangallo, which is part of the Faculty of Engineering of Sapienza University of Rome. The case study compares the present configuration of the Cloister with four other configurations characterized by some vegetation and materials with a high albedo by taking into consideration the PMV (Predicted Mean Vote) model. Microclimatic variables are calculated through numerical simulations performed by the ENVI-met software. Such a comparison is performed during a typical summer day. While examining the results it can be noticed how the strategy presenting the best results is the one with some vegetation, whereas the materials with a high albedo improve the microclimate if applied on surfaces characterized by a high sky view factor. OPEN ACCESSSustainability 2015, 7 9013

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Section: The Pmvsupporting

confidence: 71%

Evaluation of Different Urban Microclimate Mitigation Strategies through a PMV Analysis

et al. 2015

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“…An obvious and wellknown example is the siesta, which is common to several Mediterranean countries, where activities are slowed down during the peak temperatures of the day (as experienced by Bouden and Ghrab (2005). However, this kind of adaptation is probably a last resort in the range of adaptations to restore thermal comfort.…”

Section: Resultsmentioning

confidence: 96%

“…Using data from a field survey in Tunisia, Bouden and Ghrab (2005) found that metabolic rate remained nearly constant between 1.2 and 1.3 met, independent of temperature; they were not able to survey occupants after 2pm, when they were absent on siesta: which of course is of itself an adaptive strategy.…”

Section: State Of the Artmentioning

confidence: 96%

Modelling occupants’ personal characteristics for thermal comfort prediction

Haldi

Robinson

2011

Int J Biometeorol

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Based on results from a field survey campaign conducted in Switzerand, we show that occupants' variations in clothing choices, which are relatively unconstrained, are best described by the daily mean outdoor temperature and that major clothing adjustments occur rarely during the day. We then develop an ordinal logistic model of the probability distribution of discretised clothing levels, which results in a concise and informative expression of occupants' clothing choices. Results from both cross-validation and independent verification suggest that this model formulation may be used with confidence. Furthermore, the form of the model is readily generalisable, given the requisite calibration data, to environments where dress codes are more specific. We also observe that, for these building occupants, the prevailing metabolic activity levels are mostly constant for the whole range of surveyed environmental conditions, as their activities are relatively constrained by the tasks in hand. Occupants may compensate for this constraint, however, through the consumption of cold and hot drinks, with corresponding impacts on metabolic heat production. Indeed, cold drink consumption was found to be highly correlated with indoor thermal conditions, whilst hot drink consumption is best described by a seasonal variable. These variables can be used for predictive purposes using binary logistic models.

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“…Despite the fact that the interior temperatures remain below the comfort limits, they are very close to these ones. Moreover, due to the temperature stability and greater tolerance of people who live in naturally ventilated buildings [46,47], these conditions can be considered as permissible comfort. In future scenarios, certain increases of air temperature could be beneficial to achieve comfort during winter.…”

Section: Monitoringmentioning

confidence: 99%

Adaptation Strategies and Resilience to Climate Change of Historic Dwellings

2015

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Historic city centres have a large amount of dwellings in Europe, which were built to provide a comfortable shelter with the absence of mechanical means. The knowledge of climate responsive design strategies can play a significant role in reducing the energy demand of extant buildings, paving the way for its sustainable development in the face of the rising threat to its occupants of climate change. The residential architecture, developed, in most cases, in dense urban centres, was built using both available materials and traditional and academic construction technologies. This paper thoroughly investigates the extant urban conglomerate in Cádiz and analyses, in a qualitative and quantitative manner, which bioclimatic design strategies were applied and the city's adaptation for future climate scenarios. The results indicate that historic housing in Cádiz is creatively adapted to the local natural conditions by means of a combination of climate responsive strategies, and there is significant scope for improvement in the ongoing response to global warming.

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An adaptive thermal comfort model for the Tunisian context: a field study results

Cited by 126 publications

References 9 publications

Evaluation of Different Urban Microclimate Mitigation Strategies through a PMV Analysis

Evaluation of Different Urban Microclimate Mitigation Strategies through a PMV Analysis

Modelling occupants’ personal characteristics for thermal comfort prediction

Adaptation Strategies and Resilience to Climate Change of Historic Dwellings

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