Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties

Gürü, Metin; Yılmaz Aydın, Duygu; SOZEN, Adnan

doi:10.2339/politeknik.649417

Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties

Duygu Y. AYDIN, (Gazi Üniversitesi, Mühendislik Fakültesi, Kimya Mühendisliği Bölümü, Ankara, Türkiye)

Metin GÜRÜ, (Gazi Üniversitesi, Mühendislik Fakültesi, Kimya Mühendisliği Bölümü, Ankara, Türkiye)

Adnan SÖZEN (Gazi Üniversitesi, Teknoloji Fakültesi, Enerji Sistemleri Mühendisliği, Bölümü, Ankara, Türkiye)

Politeknik Dergisi

3 1

Yıl: 2021 Cilt: 24 Sayı: 2 Sayfa Aralığı: 355 - 359 Metin Dili: İngilizce DOI: 10.2339/politeknik.649417 İndeks Tarihi: 18-06-2021

Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties

Öz:

In this study, bauxite/deionized water nanofluid was prepared by two-step method and its thermopyhsical properties wereexperimentally investigated. Bauxite was milled by high-energy spex type ball milling attritor. Bauxite nanoparticles with a size of38 nm (2% by weight) and Sodium Dodecyl Benzene Sulfonate (0.5% by weight) were doped into the deionized water whilepreparing the bauxite nanofluid. Ultrasonication was applied for two hours to obtain stable colloidal dispersions of nanoparticles.It has been seen that the thermal characteristic of bauxite nanofluid is better than that of deionized water. The bauxite nanofluidhas the lower surface tension and smaller contact angle than that of base fluid. However, the thermal conductivity and the specificheat of bauxite nanofluid increased by 8.47% and 4.4% compared to deionized water, respectively.

Anahtar Kelime:

Boksit/Deiyonize Su Nanoakışkanının Hazırlanması ve Termofiziksel Özelliklerinin Deneysel Olarak İncelenmesi

Öz:

Bu çalışmada, boksit/deiyonize su nanoakışkanı iki aşamalı yöntem kullanılarak hazırlanmış ve termofiziksel özellikleri deneysel olarak incelenmiştir. Boksit minerali yüksek enerjili spex tipi bilyalı öğütücüde öğütülmüştür. Boksit nanoakışkanı hazırlanırken 38 nm boyutundaki boksit nanopartikülleri (kütlece %2) ve Sodyum Dodesil Benzen Sülfonat (kütlece %0,5) deiyonize suya karıştırılmıştır. Nanopartiküllerin kararlı koloidal dağılımını sağlamak için iki saat boyunca ultrasonikasyon uygulanmıştır. Boksit nanoakışkanının termal karakteristiğinin deiyonize suya göre daha iyi olduğu görülmüştür. Boksit nanoakışkanı, temel akışkana göre daha düşük yüzey gerilimine ve daha küçük temas açısına sahiptir. Ayrıca deiyonize suyla karşılaştırıldığında boksit nanoakışkanının termal iletkenliği ve spesifik ısı kapasitesi sırasıyla %8,47 ve % 4,4 artmıştır.

Anahtar Kelime:

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	Yılmaz Aydın D, Gürü M, SOZEN A (2021). Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties. , 355 - 359. 10.2339/politeknik.649417
Chicago	Yılmaz Aydın Duygu,Gürü Metin,SOZEN Adnan Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties. (2021): 355 - 359. 10.2339/politeknik.649417
MLA	Yılmaz Aydın Duygu,Gürü Metin,SOZEN Adnan Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties. , 2021, ss.355 - 359. 10.2339/politeknik.649417
AMA	Yılmaz Aydın D,Gürü M,SOZEN A Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties. . 2021; 355 - 359. 10.2339/politeknik.649417
Vancouver	Yılmaz Aydın D,Gürü M,SOZEN A Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties. . 2021; 355 - 359. 10.2339/politeknik.649417
IEEE	Yılmaz Aydın D,Gürü M,SOZEN A "Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties." , ss.355 - 359, 2021. 10.2339/politeknik.649417
ISNAD	Yılmaz Aydın, Duygu vd. "Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties". (2021), 355-359. https://doi.org/10.2339/politeknik.649417

APA	Yılmaz Aydın D, Gürü M, SOZEN A (2021). Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties. Politeknik Dergisi, 24(2), 355 - 359. 10.2339/politeknik.649417
Chicago	Yılmaz Aydın Duygu,Gürü Metin,SOZEN Adnan Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties. Politeknik Dergisi 24, no.2 (2021): 355 - 359. 10.2339/politeknik.649417
MLA	Yılmaz Aydın Duygu,Gürü Metin,SOZEN Adnan Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties. Politeknik Dergisi, vol.24, no.2, 2021, ss.355 - 359. 10.2339/politeknik.649417
AMA	Yılmaz Aydın D,Gürü M,SOZEN A Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties. Politeknik Dergisi. 2021; 24(2): 355 - 359. 10.2339/politeknik.649417
Vancouver	Yılmaz Aydın D,Gürü M,SOZEN A Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties. Politeknik Dergisi. 2021; 24(2): 355 - 359. 10.2339/politeknik.649417
IEEE	Yılmaz Aydın D,Gürü M,SOZEN A "Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties." Politeknik Dergisi, 24, ss.355 - 359, 2021. 10.2339/politeknik.649417
ISNAD	Yılmaz Aydın, Duygu vd. "Preparation of bauxite/deionized water nanofluid and experimental investigation of its thermophysical properties". Politeknik Dergisi 24/2 (2021), 355-359. https://doi.org/10.2339/politeknik.649417