WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

Permanent URI for this collectionhttps://hdl.handle.net/11147/7150

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2009 - 200912020 - 20251

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Author: search.filters.author.Kazanasmaz, Z. Tugce

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  • Article
    Combined Impacts of Glazing Types and Dynamic Led Lighting on Human Centric Lighting Requirements
    (Elsevier, 2025) Kose, F. Busra; Kazanasmaz, Z. Tugce; Tayfur, Gokmen; Duran, H. Engin
    As modern offices increasingly integrate smart lighting systems, understanding their combined impact with daylight on human well-being is essential. This study aims to examine how glazing properties and dynamic LED lighting jointly influence circadian metrics, cognitive performance, and subjective evaluations in office environments. An experimental methodology was applied, combining lighting measurements, circadian calculations, cognitive performance tests, surveys, and statistical analyses. Results show that illuminance below 300 lux failed to meet circadian thresholds, while levels above 750 lux enhanced circadian activation, comfort, satisfaction, and mood. Optimal visual performance occurred at 300-750 lux, and LED colour temperatures between 4000 and 5000K yielded the highest circadian-effective values, supporting faster cognitive processing, better memory, and greater comfort while reducing glare and sleepiness. Glazing analysis revealed that tinted and photovoltaic types substantially altered indoor spectrum and attenuated circadian support, whereas clear and neutral low-e glazing preserved spectral balance. Interaction effects confirmed that both light intensity and spectrum must be considered together to achieve biological and perceptual benefits. Demographic influences were minimal, and useradjustable LEDs further enhanced comfort and satisfaction. This study provides novel evidence on the integrated role of glazing and dynamic lighting, offering practical guidance for office design that balances energy efficiency with occupant health, comfort, and productivity.
  • Article
    Efficient Design of Nursing Unit Floors
    (Yıldız Teknik Üniversitesi, 2009) Kazanasmaz, Z. Tugce; Duzgunes, Arda
    Hospital designs aim to obtain the lowest possible construction, maintenance and operational costs together with patient satisfaction, comfort and privacy. To satisfy these needs, the efficient design of nursing unit areas becomes considerably important. This study was thus conducted to analyze planimetric design efficiency of nursing unit floors by defining certain floor areas and floor area ratios. To test existing nursing unit floors, quantitative assessments were noted in regard to their planimetric efficiency: the utility value of the built floor area, both in terms of its allocation to patient space (served), support (serving) and circulation space and the relative proportions of these. Results were presented in a comparative table. Of the 15 hospital floor plans analyzed, five satisfied minimum space requirements for patient areas, while another five were in the optimum range for circulation areas. Two were defined as the least efficient, having the lowest patient-to-circulation area ratio.