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Combined experimental thin film, DFT-TDDFT computational study, flow and heat transfer in [PG-MoS2/ZrO2]C hybrid nanofluid
Waves in Random and Complex Media ( IF 4.051 ) Pub Date : 2021-01-13
Mohamed R. Eid, Ahmed F. Al-Hossainy

Doped [ZrO2]NPs in the [PG-MoS2]C matrix to fabricated the [PG-MoS2/ZrO2]C hybrid nanofluid films by a sol–gel method, the average crystallite size increased from 66.75 nm to 93.36 nm. The key aim of this article is to investigate the structure, simulated calculations, flow, and heat nanofluid transport in the existence of viscosity and thermal conductivity based on temperature. To make an overall integration between the theoretical and experimental study of selected mono and hybrid nanofluids. Different experimental characterization techniques for the [PG-MoS2]C and [PG-MoS2/ZrO2]C hybrid nanofluid films such as UV-Vis, FT-IR, XRD, DFT calculations, and optical characteristics have been used. The most important aspects of this study include that hybrid nanofluid flow is enhanced for increasing values of both φ 1 and φ 2 . The presence convective conditions decelerate the mixture temperature. Lowermost skin friction occurs for 25 vol% of MoS2: 75 vol% ZrO2 and φ 1 and φ 2 lead to an improvement in the heat transport rate. Besides, an increment of ZrO2 nanoparticles is essential for enhancement. The results specifically demonstrate that the optical energy band difference values from [PG-MoS2]C to [PG-MoS2/ZrO2]C decrease with 8.42%.



中文翻译:

结合实验薄膜,DFT-TDDFT计算研究,[PG-MoS2 / ZrO2] C杂化纳米流体的流动和传热

通过溶胶-凝胶法在[PG-MoS 2 ] C基质中掺杂[ZrO 2 ] NPs制备[PG-MoS 2 / ZrO 2 ] C杂化纳米流体薄膜,平均晶粒尺寸从66.75 nm增加到93.36 nm 。本文的主要目的是研究存在粘度和基于温度的热导率的情况下的结构,模拟计算,流动和热纳米流体传输。为了使选定的单和混合纳米流体的理论研究与实验研究全面整合。[PG-MoS 2 ] C和[PG-MoS 2 / ZrO ]的不同实验表征技术[2 ]已经使用了C杂化纳米流体薄膜,例如UV-Vis,FT-IR,XRD,DFT计算和光学特性。这项研究的最重要方面包括增强混合纳米流体流动以增加两者的值 φ 1个 φ 2 。对流条件的存在使混合物温度降低。最下面的皮肤发生摩擦的MoS为25体积%2:75体积%的ZrO 2 φ 1个 φ 2 导致热传输率的提高。此外,ZrO 2纳米颗粒的增加对于增强是必不可少的。结果具体表明,从[PG-MoS 2 ] C到[PG-MoS 2 / ZrO 2 ] C的光能带差值降低了8.42%。

更新日期:2021-01-13
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