AgNW KAPLAMALI TEKSTİLLERİN FARKLI IŞIK KAYNAKLARI ALTINDAKİ FOTOTERMAL PERFORMANSININ DEĞERLENDİRİLMESİ

Yıl 2026, Cilt: 14 Sayı: 1, 313 - 324, 20.03.2026

Hasan Sinan , Demet Yılmaz

https://doi.org/10.21923/jesd.1826730

https://izlik.org/JA67XX59UW

Öz

Günümüzde enerji tüketiminin önemli boyutlara çıkması ve geleneksel ısıtma ve soğutma sistemlerinin toplam enerji maliyeti içerisindeki payının oldukça yüksek olması nedeniyle kişisel termal yönetim sistemleri önemli hale gelmiştir. Bu bağlamda, son zamanlarda kişisel termal yönetime imkân sağlayan tekstil ürünlerinin üretimi ve özelliklerinin incelenmesi konusunda çalışmalar artmış durumdadır. Bu çalışmada da kişisel termal yönetim ile ilgili mevcut çalışmalar incelenerek bu tekstillerin önemi, taşıması gereken özellikler, bu özellikleri belirlemeye yönelik test ve analizler ile bu alandaki eksiklikler konusunda bir bilgi altyapısı oluşturulmaya çalışılmıştır. Çalışmada, literatürde yaygın olarak kullanılan metal esaslı malzemelerden gümüş nanotel (AgNw) seçilerek, yaygın ve kolay uygulanabilir bir metot olması nedeniyle emdirme-kurutma metodu ile %50/50 pamuk/polyester karışımı dokuma kumaşlara 5 tekrarlı olarak uygulanmıştır. Daha sonra, tekstil yüzeylerinin farklı ışık kaynakları altındaki termal performansı araştırılmıştır. Deneysel testler, 100 Watt ve 300 Watt ultraviyole (UV) ve 250 Watt kızılötesi (IR) lambalar kullanılarak gerçekleştirilmiş; her bir ölçüm, 4 dakikalık ısınma ve 10 dakikalık soğuma periyotlarını içermektedir. Sıcaklık değişimleri, termokupl sensörler aracılığıyla zamanla kaydedilmiş ve kaplamasız kumaş ile AgNW kaplamalı numunelerin ısıl davranışları karşılaştırılmıştır. Sonuçlar, AgNW kaplamalı numunelerin tüm ışık kaynaklarında daha yüksek yüzey sıcaklıklarına ulaştığını göstermiştir. IR ışık altında elde edilen maksimum sıcaklık farkı 14 °C’ye kadar çıkmış ve bu sonuç fototermal dönüşüm verimliliğine işaret etmiştir. Dolayısıyla bu yapılar, enerji verimli pasif ısıtma sistemleri, akıllı giyilebilir tekstiller ve sürdürülebilir termal konfor uygulamaları için güçlü bir potansiyel taşımaktadır.

Anahtar Kelimeler

Pasif ısıtma tekstilleri , Fototermal ısıtma , Gümüş Isıl performans , Gümüş nanotel (AgNW) , Termal konfor

EVALUATION OF PHOTOTHERMAL PERFORMANCE OF AgNW COATED TEXTILES UNDER DIFFERENT LIGHT SOURCES

https://izlik.org/JA67XX59UW

Öz

The growing global demand for energy and the significant share of traditional heating and cooling systems in overall energy consumption have increased the importance of personal thermal management technologies. In this context, research on textile-based materials that enable efficient personal thermal regulation has expanded considerably in recent years. This study aims to provide a comprehensive overview of existing work on personal thermal management textiles, emphasizing their significance, required functional properties, relevant testing and characterization methods, and current gaps in the field. Silver nanowires (AgNWs), one of the most widely used metal-based materials in the literature, were selected. AgNws suspension was deposited in five coating cycles onto 50/50% cotton/polyester woven fabrics by padding-drying method due to their ease of application. The thermal performance of the coated textile surfaces was then investigated under different irradiation sources. Experimental tests were conducted using 100 Watt and 300 Watt ultraviolet (UV) lamps and a 250 Watt infrared (IR) lamp. Each measurement consisted of 4 minutes of heating followed by 10 minutes of cooling. Temperature variations were recorded over time using thermocouple sensors, and the thermal responses of uncoated and AgNW-coated samples were compared. The results demonstrate that AgNW-coated fabrics achieve higher surface temperatures under all irradiation conditions. Under IR exposure, the maximum temperature difference reached up to 14 °C, indicating effective photothermal conversion. These findings show that AgNW-based textile structures hold strong potential for energy-efficient passive heating systems, smart wearable textiles, and sustainable thermal comfort applications.

Anahtar Kelimeler

Passive heating textiles , Photothermal heating , Silver Thermal performance , Silver nanowires (AgNW) , Thermal comfort

Kaynakça

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