Anahtar KelimelerIsıl konfor, Okul yapıları, İç ortam Özet: Çalışma ortamının konfor şartları, insanların bedensel ve zihinsel üretim hızını etkilemektedir. Isıl konfor bireyin bir ortamdaki ısıl şartlar içinde kendisini rahat hissetmesi ve bu şartlardan doğan sağlık sorunları ile karşılaşmayacağı bir ortamın özellikleridir. Konforlu bir ortamda algı, kavrayış, dikkat, verim, performans değeri yüksek olacaktır. Günümüzde konfor şartları sağlanırken, konfor şartlarından taviz vermeden en az enerji tüketiminin gerçekleşmesi (enerji verimliliği yüksek binalar) sağlanmalıdır. Bu çalışmada, Edirne'de bulunan yükseköğretim (Trakya Üniversitesi Mimarlık Fakültesi) yapısındaki, merkezi kalorifer sistemi ile ısıtılması yapılan ve doğal havalandırmalı sınıfların iç ortam konfor şartları (iç ortam sıcaklık, bağıl nem, ortalama radyan sıcaklık, hava akış hızı) ve "Isıl çevreden memnuniyet" (PMV) ile "Isıl çevreden memnuniyetsizlik" (PPD) indisleri araştırılmıştır. Ölçümler eş zamanlı olarak kış (Kasım-Aralık) aylarında dersliklerin kullanım sürecince (hafta içi) ölçüm cihazı ile belirlenmiştir. Ölçüm sonuçları istatistiksel olarak analiz edilerek, elde edilen sonuçlar, ilgili standartlara (Ashrae 55, ISO 7730) göre karşılaştırılmıştır. Örnek yükseköğretim yapısında elde edilen ölçüm sonuçlarının genel olarak ilgili standartlardaki değerleri aşmadığı görülmektedir. Abstract: Comfort requirements of the work environment affects people's physical and mental production speed. Thermal comfort is the feeling of being comfortable of individual in the thermal conditions of an environment and the characteristics of the environment that cannot be faced with health problems arising from these conditions. In a comfortable environment, perception, comprehension, attention, efficiency, performance value will be higher. Today, while ensuring comfort conditions, the realization of minimum energy consumption without sacrificing comfort requirements (energy-efficient buildings) is an indispensable rule. In this study, indoor environment comfort conditions (indoor environment temperature, relative humidity, mean radiant temperature and the air flow rate), thermal environment satisfaction (PMV/ Predicted Mean Vote) and thermal environment dissatisfaction (PPD/ Predicted Percentage Dissatisfied) indices are investigated in the building that was analyzed as an example of higher education building (Trakya University, Faculty of Architecture) heated with central heating system and has naturally ventilated classroom. Measurements was carried out by measuring devices simultaneously (November-December) during the use of classrooms (weekdays) in the winter. Measurement results were analyzed statistically; the obtained results were compared with the relevant standard value (Ashrae 55, ISO 7730). The example of the higher education building shows that the obtained measurement results don't exceed the relevant standard values generally. The Investigation of Thermal Comfort Conditions in University Buildings
Purpose: Reconstruction of health buildings that were heavily damaged after the earthquake has become an important issue in Turkey. The negative performance of the construction systems of health buildings after major earthquakes necessitates the evaluation of the building system (CS) options, which can create an alternative to the market, according to various criteria. The main purpose of the study is to develop a systematic basis for the CS of 1816 health institutions to be rebuilt within the scope of the UDSEP 2023 project and to decide between alternatives in Turkey. In this study, the example of a hospital with a low bed capacity (20 beds) was discussed. Method: In the application of the Methodology-Fuzzy Analytical Hierarchy Process (FAHP) method of the research, 40 expert opinions were taken at the stages of planning, construction and inspection of health buildings. Findings: Experts in various fields of the construction industry have determined that CS performance is the primary criterion and cost is the secondary criterion for healthcare buildings in high seismic hazard areas. Conclusion: Among the CS alternatives, Structural Steel Frame (SSF) was determined as the most suitable structural system for earthquake zones.
Atriums are architectural solutions that are addressed during the design phase of buildings, aiming to make the outdoor lighting conditions feel inside the building, thanks to their large glass surfaces. In addition to the aesthetic appearance it gives to the buildings, it provides maximum use of daylight functionally. However, if the correct glass type is not used and does not contain sufficient shading elements, overheating, glare, etc. brings problems. When this situation becomes to affect the comfort conditions of the individual's indoor environment, it begins to significantly affect the learning and working performance, especially in educational buildings. If appropriate glass is not used during the production phase of the glass building, which creates a greenhouse effect, in other words, it is difficult to produce a permanent and sustainable solution to this effect in the building with the measures taken afterwards, and even in some cases it is not possible. In this case, turning to mechanical solutions emerges as an option that helps to idealize indoor comfort conditions. In this study, it is aimed to reduce the greenhouse effect created by the atrium of Trakya University Technical Sciences Vocational School with passive cooling strategies within the building and construction elements in terms of summer comfort. The thermal comfort problems of this building, which was renovated within the scope of the Scientific Research Project, were examined, the mutual cross-ventilation effect, which requires low cost, and the reflective coating application on the glass components on the roof, reflecting the incoming solar energy and preventing the excessive heat gain in the summer months due to the sunlight of the building envelope, eaves, blinds, etc. Developing additional add-ons by determining the appropriate angle, solution suggestions were tried. However, all these solutions ensured that the building was cooled by a maximum of 10 degrees, and a mechanical cooling solution was deemed necessary for the cooling of the building. In this study, mechanical ventilation solutions are presented to prevent the greenhouse effect created by the atrium of Trakya University Technical Sciences Vocational School. Although its high cost in terms of energy consumption and initial investment is disadvantageous, mechanical ventilation is considered to be an effective suggestion in solving the problem.
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