Investigation of the parameters affecting the building cooling capacity using the response surface method (RSM)

Year 2022, , 309 - 319, 15.01.2022

Kadir Özbek , Ömer Özyurt

https://doi.org/10.17714/gumusfenbil.972620

Abstract

In this study, the effects of the exterior wall insulation thickness, glass feature and design temperature on the cooling capacity of the building were investigated mathematically and statistically by using an energy analysis program for a sample building in Ankara climate conditions. With these changed parameters, annual cooling loads were calculated and a mathematical model was created. Analyzes were simulated using the hourly analysis program (Carrier HAP) offered by the Carrier company. The importance of the created model was examined by performing analysis of variance (ANOVA) and the p-value was less than 0.05. This shows that the model is reliable. The model was validated and the error rate was found to vary between -0.27 and 0.26. It has been concluded that the minimum cooling capacity for the sample structure will be obtained if the wall heat transmission coefficient varies between 0.46 and 1.03, and the glass heat transmission coefficient varies between 2.48 and 3.7.

Keywords

Carrier HAP, Cooling capacity, Insulation thickness, Response Surface Method (RSM)

Bina soğutma kapasitesine etki eden parametrelerin yanıt yüzey yöntemi (YYY) kullanılarak incelenmesi

Abstract

Bu çalışmada Ankara iklim şartlarında yer alan örnek bir yapı için enerji analiz programı kullanılarak, binanın dış duvar yalıtım kalınlığının, cam özelliğinin ve tasarım sıcaklığının binanın soğutma kapasitesi üzerindeki etkileri matematiksel ve istatistiksel olarak incelenmiştir. Değiştirilen bu parametreler ile yıllık soğutma yükleri hesaplanmış ve matematiksel bir model oluşturulmuştur. Analizler Carrier firması tarafından sunulan saatlik analiz programı (Carrier HAP) kullanılarak simüle edilmiştir. Oluşturulan modelin önemi varyans analizi (ANOVA) yapılarak incelenmiştir ve P-değeri 0.05’ten az çıkmıştır. Bu da modelin güvenilir olduğunu göstermektedir. Modelin doğrulaması yapılmış olup, hata oranı-0.27 ile 0.26 arasında değiştiği görülmüştür. Örnek yapı için minimum soğutma kapasitesinin, duvar ısı iletim katsayısının 0.46 ile 1.03 arasında değiştiği, cam ısı iletim katsayısının ise 2.48 ile 3.7 arasında değiştiği durumda elde edileceği sonucuna ulaşılmıştır.

Keywords

Carrier HAP, Soğutma kapasitesi, Yalıtım kalınlığı, Yanıt Yüzey Yöntemi (YYY)

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