Polietilen glikol ve Alginat katkıları ile üretilen nano Titanyum dioksitin nanoakışkan olarak kullanımının incelenmesi

Yıl 2025, , 331 - 342, 16.08.2024

Emel Akyol , Reyhan Arslan , Ahmet Selim Dalkılıç

https://doi.org/10.17341/gazimmfd.1343165

Öz

Ülkemizde ve dünyada teknolojinin gelişmesi ile enerji ihtiyacı her geçen gün artmaktadır. Bu sebeple, ısı enerjisinin verimli kullanılması çok önemlidir. Az miktarlarda nanomalzeme kullanılarak oluşturulan nanoakışkan sistemler üstün termofiziksel özellikleri nedeni ile ısı transferini ve enerji verimliliğini artırmaktadırlar. Bu sebeple nanoakışkanların üretilmesi ve termofiziksel özelliklerinin incelenmesi önem arz etmektedir.

Bu çalışmada, yüksek sıcaklıkta oksidasyon yöntemi ile Polietilen glikol (PEG) ve Alginat katkı maddeleri varlığında titanium dioksit (TiO2) nanopartiküllerinin sentezlenmesi ve sentezlenen nano titanyum dioksitlerden farklı konsantrasyonlarda su bazlı nanoakışkan elde edilmesi amaçlanmıştır. Ayrıca, yüzey aktif madde türünün ve konsantrasyonunun nanoakışkanın stabilizasyonuna etkisini incelemek amacı ile farklı konsantrasyonlarda sodyum dodesil sülfat (SDS) ve arap zamkı kullanılmıştır. Sentezlenen TiO2 partiküllerinin karakterizasyonu için XRD, SEM, FTIR ve BET ölçümlerinden yararlanılmıştır. Nanoakışkanların önemli termofiziksel özelliklerinden stabilizasyonu ve yoğunluğu da bu çalışma kapsamında ölçülmüştür. Gerçekleştirilen deneysel çalışmalar sonucunda, Alginat katkı maddesi ile üretilen TiO2 nanopartiküllerinin, nanoakışkanın stabilizasyonunda PEG katkı maddesi ile üretilene göre daha başarılı olduğu görülmüştür.

Anahtar Kelimeler

Enerji verimliliği, nanoakışkan, titanyum dioksit (TiO2), Polietilen glikol (PEG), Alginat katkı maddeleri

Destekleyen Kurum

Yıldız Teknik Üniversitesi Bilimsel Araştırma Projeleri Koordinatörlüğü

Proje Numarası

FYL-2020-3916

Teşekkür

Bu çalışmayı FYL-2020-3916 numaralı DOP projesi ile destekleyen Yıldız Teknik Üniversitesi Bilimsel Araştırma Projeleri Koordinatörlüğü’ne teşekkür ederiz. Çalışmaya katkılarından dolayı Gökberk YALÇIN’ a ayrıca teşekkür ederiz.

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