THERMAL ENERGY STORAGE APPLICATION WITH BIOMIMICRY METHOD

Öz

In this study, it was aimed be used as a bottle cooler bag designed accordance as biomimicry science, producing of cost effective multifunctional phase change materials (PCMs) to effective isolation using Graphite (GR) and Graphite oxide (GO). PCMs were first produced, then the produced PCMs were analyzed. Finally, designing a prototype cooler bottle bag according to biomimicry science was prepared and performance studies to keep the water cold were carried out. The temperature differences, functional structures and thermal properties of PCMs produced using graphite and graphite oxide were investigated. At the same time, temperature differences and thermal-chemical properties of PCMs were determined after the thermal cycle (100-300-500 cycles). PCM produced using graphite showed a good insulation material feature since it has lower enthalpy than PCM produced using GO. The prototype bottle cooler bag (BCB) designed based on the biomimicry science performed 2 times more than the cooler bottle bags sold in the market. Also, it was concluded that it can be produced at a lower cost of 38,91 – 216,44 TL (Turkish Lira) per product.

Anahtar Kelimeler

• graphite oxide
• Phase change material
• Biomimicry
• Commercial graphite
• Bottle Cooler

BİYOMİMİKRİ YÖNTEMİYLE TERMAL ENERJİ DEPOLAMA UYGULAMASI

Öz

Çalışmada karbon esaslı malzemeler (KEM)(Grafit(GR) ve Grafit Oksit(GO)) kullanılarak etkili ısı enerjisi depolaması için uygun maliyetli çok işlevli faz değişim malzemelerin (FDM) tasarlanması, geliştirilmesi ve biyomimikri bilimine bağlı olarak kullanılması amaçlanmıştır. Çalışmada ilk olarak FDM üretilmiş, daha sonra üretilen FDM’nin analizi yapılmış ve son olarak biyomimikri bilimine göre prototip soğutucu şişe torbası tasarlanarak suyu soğuk tutma performans çalışmaları gerçekleştirilmiştir. Grafit ve grafit oksit kullanılarak üretilen FDM’lerin ısı enerji depolama kapasiteleri, fonksiyonel yapıları, termal özellikleri incelenmiştir. Aynı zamanda termal döngü sonrası (100-300-500 döngü) FDM’nin ısı depolama kapasiteleri ve termal-kimyasal özellikleri belirlenmiştir. Grafit kullanılarak üretilen FDM, GO kullanılarak üretilen FDM’den daha fazla ısı enerjisi depoladığı gözlenmiştir. Biyomimikri bilimine bağlı olarak tasarlanan prototip soğutucu şişe torbasının piyasada satışı yapılan soğutucu şişe torbalarından hem en az 2 kat daha fazla performansa sahip olduğu hem de ürün başına 38,91TL – 216,44TL daha ucuz maliyetle üretilebileceği sonucuna ulaşılmıştır.

Anahtar Kelimeler

• biyomimikri
• grafit oksit
• faz değişim malzemesi
• şişe soğutucu
• ticari grafit

Kaynakça

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