The effect of hot fluid and carbon nanotube-water flow rate on the Efficiency of nanofluid on Gasketed plate heat exchanger

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ramezani azghandi OMID; noparast Mohammad Ali

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Journal: Science and Technology in Mechanical Engineering Year:2023 | Volume:1 | Issue:1 Page(s): 100-112

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Information Journal Paper

Title

The effect of hot fluid and carbon nanotube-water flow rate on the Efficiency of nanofluid on Gasketed plate heat exchanger

Author(s)

ramezani azghandi OMID | noparast Mohammad Ali | Issue Writer Certificate

Keywords

Carbon nanotubeQ4

SurfactantQ4

Heat Transfer CoefficientQ4

Heat ExchangerQ4

laboratory set upQ4

Abstract

In this paper, the Carbon nanotube was stabilized in a water-based fluid by sodium dodecyl sulfate as a Surfactant. Then, hot fluid (water) was in contact with the nanofluids (Carbon nanotube-weight percentage of 0. 01) on both sides of the Heat Exchanger plate that has 13 plates. In order to investigate the functional groups and morphology of nanoparticles, obtained by FTIR, EDX, Raman analysis, Transmission, and Scanning electron microscopes images were used. The effect of the flow rate of hot fluid and nanofluid on the Heat Transfer Coefficient and pressure drop was analyzed experimentally. The results in the range of laminar flow showed that the Heat Transfer Coefficient increased by the flow rate of hot fluid and nanofluid rising (53. 47% and 43. 4%, respectively) and decreases the pressure drop of nanofluid, which are both positive effects. Determining the effect of nanofluid on the efficiency of the Heat Exchanger compared to the state without nanofluid (water-water), it was found that the increase in the flow rate of hot fluid and cold fluid causes an increase of 22. 9% and 17. 3%, respectively. It indicates the benefit of using Carbon nanotubes in high stated flow rates.

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