ANALYSIS OF THERMAL PROPERTIES OF FIREFIGHTER’S PROTECTIVE CLOTHINGS

İtfaiyecilerin çalışma ortamları çok tehlikeli olup birçok tehdit içermektedir. Yangından korunma çok katmanlı tekstil malzemelerinden üretilmiş itfaiyeci giysileri giyerek sağlanmaktadır. Bu katmanlı yapı iyi havalandırmayı önler, kullanıcılar için yüksek ısı stresi yaratır ve yangın esnasında çalışma verimini düşürür. Bu çalışmada, itfaiyeci giysisi yapımında kullanılan iki tip dış katman, iki tip membran içeren nem bariyeri ve iki tip ısıl bariyer kumaşın konfor özellikleri test edilmiştir. Isıl iletkenlik, ısıl difüzyon, ısıl absorplama, su buharı direnci, hava geçirgenliği ve su buharı geçirgenliği özelliklerini belirlemek için objektif test metodları kullanılmıştır. Ayrıca seçilen kumaşlardan üretilmiş PBI (Poly-benzimidazole)/ Para-Aramid ve Nomex dış katmanlı aynı model iki itfaiyeci kıyafeti, aynı çevre koşullarında ve fiziksel aktivite koşullarında, termal kamera kullanılarak giysi üzerinde farklı bölgelerde oluşan ısıl dağılım değerlendirilmiştir

İTFAİYECİ KORUYUCU KIYAFETLERİNİN ISIL KONFOR ÖZELLİKLERİNİN ANALİZİ

Working environments of firefighters is very dangerous and consist of multiple threats. Fire protection can be achieved by wearing firefighters’ clothing that is produced from multilayered textile materials. This layered structure prevents good ventilation, creates high heat stress to the wearers and reduces their working efficiency in fires. In this study, two types of outer shell fabrics, two types of moisture barrier fabrics with membrane and two types of thermal barrier fabrics that are used in the firefighter’s clothing production were tested for their thermal comfort properties. It was carried out objective fabric tests to determine the thermal conductivity, thermal diffusivity, thermal absorptivity, water vapor resistance, air permeability and moisture permeability properties. Also, two firefighter uniform models with PBI (Poly-benzimidazole)/ Para-Aramid and Nomex outer shell produced using these fabrics were evaluated using thermal camera to analyze the thermal distribution in different areas under the same environmental and physical conditions

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