Comparative bioclimatic approach for comfort and passive heating and cooling strategies in Algeria

Semahi, Samir; Zemmouri, Noureddine; Singh, Manoj Kumar; Attia, Shady

doi:10.1016/j.buildenv.2019.106271

Cited by 49 publications

(39 citation statements)

References 34 publications

(50 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The MBE is a nondimensional measure of the overall bias error between the measured and simulated data with a known time resolution. The (RMSE) indicates how well the simulation model describes the variability in the measured data [53]. Moreover, for the validation step, simulation was run for 48 h because we considered this a sufficient duration for the model's validation (Figure 5) and (Table 4).…”

Section: (C) Validation Of Envi-met Measurement Versus Simulationmentioning

confidence: 99%

“…We simulate the three models based on the Typical Meteorological Year (TMY) files with Epw format: TMY2 (1981-1990), TMY3 (1991-2005) taken from Meteonorm 7.2 database (https://meteonorm.com/en/ accessed on 20 August 2020) [55], and TMYx (2003-2017) (Figure 6). The last meteorological file is taken from http://climate.onebuilding.org/ (accessed on 20 August 2020) [56], which is validated by the study of Semahi et al [53] and shows a high-quality.…”

Section: Assessment Of the Outdoor Thermal Comfort With Pet Indexmentioning

confidence: 99%

See 1 more Smart Citation

Quantification of the Outdoor Thermal Comfort within Different Oases Urban Fabrics

et al. 2021

Self Cite

View full text Add to dashboard Cite

Oases settlements are common entities of human agglomerations throughout desert regions. Oases settlements face several environmental challenges such as climate change, which can render them insufferably hot and unlivable within decades. Therefore, this study aims to assess the outdoor thermal comfort variation within three different oases urban fabrics of Tolga Oases Complex in Algeria. The overarching aim is to quantify thermal comfort and guide landscape, and urban designers improve outdoor thermal comfort. The methodology relies on microclimatic measurements and weather datasets (TMY2, TMY3, TMYx), combining observations and numerical simulations. A total of 648 Physiological Equivalent Temperature (PET) values were calculated in three different urban fabrics in Tolga Oases Complex, Algeria. Between 2003 and 2017, a remarkable microclimatic change was found, causing a high and accelerated heat stress level of 76%. The study results inform architects, urban planners and climatologists about climate change effects and urban sprawl impact on the oases lands. Moreover, urban strategies should seek mitigation and adaptation benefiting from the existing green infrastructure of palm groves.

show abstract

Section: (C) Validation Of Envi-met Measurement Versus Simulationmentioning

confidence: 99%

Section: Assessment Of the Outdoor Thermal Comfort With Pet Indexmentioning

confidence: 99%

Quantification of the Outdoor Thermal Comfort within Different Oases Urban Fabrics

et al. 2021

Self Cite

View full text Add to dashboard Cite

show abstract

“…The indoor air temperature of the simulated model was compared with the monitored indoor air temperature. The basecase model was then calibrated using two equations of normalised mean bias error (NMBE) and coefficient of variation of root square mean error (CV-RMSE), which are reliable measures for the validation of calibration [46][47][48]. The calibration was further validated using linear regression analysis to graphically represent the accuracy and correlation between simulated and monitored data.…”

Section: Simulation Of the Basecase Modelmentioning

confidence: 99%

Sensitivity Analysis of Passive Design Strategies for Residential Buildings in Cold Semi-Arid Climates

et al. 2020

Self Cite

View full text Add to dashboard Cite

Buildings are significant drivers of greenhouse gas emissions and energy consumption. Improving the thermal comfort of occupants in free-running buildings and avoiding active and fossil fuel-based systems is the main challenge in many cities worldwide. However, the impacts of passive design measures on thermal comfort in cold semi-arid regions are seldom studied. With the rapid urbanization and the widespread use of personalised heating and cooling systems, there is a need to inform building designers and city authorities about passive design measures that can achieve nearly optimal conditions. Therefore, in this study, a global sensitivity analysis of the impact of passive design parameters on adaptive comfort in cold semi-arid climates was conducted. A representative residential building was simulated and calibrated in Quetta, Pakistan, to identify key design parameters for optimal thermal comfort. The results list and rank a set of passive design recommendations that can be used widely in similar climates. The results show that among the investigated 21 design variables, the insulation type of roof is the most influential design variable. Overall, the sensitivity analysis yielded new quantitative and qualitative knowledge about the passive design of buildings with personalised heating systems, but the used sensitivity analysis has some limitations. Finally, this study provides evidence-based and informed design recommendations that can serve architects and homeowners to integrate passive design measures at the earliest conceptual design phases in cold semi-arid climates.

show abstract

“…The authors are aware that behavioral and psychological adaptations have proven to have a remarkable impact on thermal perception [44]. This approach can add several recommendations for developing an adaptive urban oasis model and bioclimatic design recommendations in oasis zone of Algeria [45].…”

Section: Implication On Practice and Researchmentioning

confidence: 99%

Assessment of the Outdoor Thermal Comfort in Oases Settlements

et al. 2020

Self Cite

View full text Add to dashboard Cite

Oases throughout the world have become important ecosystems to replenish food and water supplies. The Saharan Oases exist above the largest underground water supplies in the World. In North Africa, oases witness significantly growing populations in the oasis towns and receive thousands of tourists yearly. In oasis settlements, the majority of the population spends most of the time outdoors, in extremely hot conditions; however, few studies have investigated urban outdoor thermal comfort conditions. Therefore, this study aimed to assess thermal comfort in the Tolga Oasis Complex and test the validity of the 'oasis effect' concept. The methodology is based on comparative field measurement and calculation approaches in the heart of Tolga Palm Grove and in different urban settlements. Results indicate highest heat stress levels (Physiologically Equivalent Temperature (PET) index) in the oases Palm Grove in July, PET = 41.7 • C, and urban settlements, PET = 40.9 • C. Despite the significant difference between the old and new settlement fabrics, our measurements and calculation did not identify any noticeable variation of thermal comfort. Thus, the oasis effect on the outdoor thermal comfort was insignificant (during July and August 2018). Finally, the study discusses ways to improve outdoor spaces design and relieve heat stress in the settlements of Tolga.

show abstract

Comparative bioclimatic approach for comfort and passive heating and cooling strategies in Algeria

Cited by 49 publications

References 34 publications

Quantification of the Outdoor Thermal Comfort within Different Oases Urban Fabrics

Quantification of the Outdoor Thermal Comfort within Different Oases Urban Fabrics

Sensitivity Analysis of Passive Design Strategies for Residential Buildings in Cold Semi-Arid Climates

Assessment of the Outdoor Thermal Comfort in Oases Settlements

Contact Info

Product

Resources

About