Serpantin Tipi Bir Minikanalda Farklı Nanoakışkan Tiplerinin Kullanımının Akış Karakteristikleri ve Isıl Performans Üzerindeki Etkilerinin Sayısal İncelenmesi

Year 2026, Volume: 17 Issue: 1, - , 26.03.2026

Bahadır Gemicioğlu , Tolga Demircan , Yahya Doğu

https://doi.org/10.24012/dumf.1840533

https://izlik.org/JA59CA58FH

Abstract

Bu çalışmada serpantin tip bir minikanalda çalışma akışkanı olarak nanoakışkan kullanımının akış ve ısı transferi üzerindeki etkileri sayısal olarak incelenmiştir. Bu amaçla MXene–su, NiO–su ve CoFe₂O₄–su olmak üzere üç farklı nanoakışkan belirlenmiş ve bu akışkanlar için dört farklı karışım oranı ile beş farklı hacimsel debide analizler gerçekleştirilmiştir. Elde edilen sonuçlar, hem birbirleriyle hem de temel akışkan olarak kullanılan su için elde edilen sonuçlarla karşılaştırılmıştır. İncelenen parametre aralığında hacimsel debinin artırılmasının tüm akışkan tiplerinde ısı transferini olumlu yönde etkilediği görülmüştür. Nanoakışkan kullanımı ile minikanal yüzey sıcaklıklarının düştüğü ve ısıl performansın iyileştiği belirlenmiştir. Ayrıca, nanoakışkanın hacimsel karışım oranının artışı ile yüzeylerden gerçekleşen ısı transferinin de arttığı gözlemlenmiştir. Çalışmada kapsamında ele alınan akışkanlar arasında en yüksek ısı transferi ve çalışma performansı NiO–su nanoakışkanı ile elde edilmiştir. %2 hacimsel konsantrasyona sahip NiO–su kullanılması durumunda, suya göre ortalama ısı taşınım katsayısının yaklaşık %10,5 oranında arttığı gözlemlenmiştir. Elde edilen sonuçlara göre, serpantin tip minikanallarda nanoakışkan kullanımının ısı transferini iyileştirdiği ve bu iyileşmenin elektronik soğutma sistemlerinin tasarımında performans artışına sebep olabileceği görülmüştür.

Keywords

Serpantin tip minikanal , MXene , NiO , CoFe2O4 , nanoakışkan

Numerical Investigation of the Effects of Using Different Types of Nanofluids in a Serpentine-Type Minichannel on Flow Characteristics and Thermal Performance

https://izlik.org/JA59CA58FH

Abstract

In this study, the effects of using nanofluids as the working fluid in a serpentine-type minichannel on flow and heat transfer were investigated numerically. For this purpose, three different nanofluids, MXene–water, NiO– water and CoFe₂O₄– water, were selected. Analyses were performed for these fluids at four different mixing ratios and five different volumetric flow rates. The results obtained were compared with each other and with the results obtained for water used as the base fluid. Within the parameter range investigated, it was observed that increasing the volumetric flow rate positively affected heat transfer in all fluid types. It was determined that the use of nanofluids reduced minichannel surface temperatures and improved thermal performance. Furthermore, it was observed that increasing the volumetric mixing ratio of the nanofluid also increased heat transfer from the surfaces. Among the fluids examined in the study, the highest heat transfer and operating performance were obtained with the NiO–water nanofluid. When NiO–water with a 2% volumetric concentration was used, the average heat transfer coefficient was observed to increase by approximately 10.5% compared to water. According to the results obtained, the use of nanofluids in serpentine-type minichannels improves heat transfer, and this improvement can lead to increased performance in the design of electronic cooling systems.

Keywords

Serpentine type minichannel , MXene , NiO , CoFe2O4 , nanofluid

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