Evaluation of Performance of both Spiral and Direct Tube Heat Exchanger Using the Hybrid Nano fluid

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RAHMATI A.R.; Chitsazi F.; REISZADEH M.

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Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2020 | Volume:10 | Issue:1 Page(s): 193-207

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Title

Evaluation of Performance of both Spiral and Direct Tube Heat Exchanger Using the Hybrid Nano fluid

Author(s)

RAHMATI A.R. | Chitsazi F. | REISZADEH M. | Issue Writer Certificate

Keywords

Hybrid Nano FluidQ1

Heat ExchangerQ1

Spiral TubeQ1

Direct TubeQ1

Heat TransferQ2

Abstract

n this study, the comparison of the Heat Transfer of Heat Exchanger of the Spiral Tube and the direct pipe using the hybrid nanofluid in the turbulent flow has been empirically investigated. The nano fluid used in this study consists of a mixture of titanium oxide, silicon oxide and magnesium oxide with a medium diameter (20-30 nm) in a base water fluid at a temperature range of 60 to 30 ° C. Nanoparticles have been used in the volume fractions range of 0. 25, 0. 5, 0. 75 and 1%. The results showed that the Nusselt number increased by increasing the Reynolds number and the concentration in the Spiral Tube compared to the Direct Tube by 6. 6% on average. Also, the results are reported as temperature difference, the use of nanoparticles in the Spiral Tube is higher than the Direct Tube in the volume fraction of 0. 25% and the temperature of 60 ° C, 37. 6%. The percentage increase in the optimal temperature difference of the Hybrid Nano Fluid in the Spiral Tube in the volume fraction is 0. 25% and 60 ° C, which is 10% higher than the base fluid and in the Direct Tube in the volume fraction of 0. 75% and 60 ° C Compared to the base fluid, the temperature difference is increased by 6%.

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APA: Copy

RAHMATI, A.R., Chitsazi, F., & REISZADEH, M.. (2020). Evaluation of Performance of both Spiral and Direct Tube Heat Exchanger Using the Hybrid Nano fluid. JOURNAL OF SOLID AND FLUID MECHANICS, 10(1 ), 193-207. SID. https://sid.ir/paper/367816/en

Vancouver: Copy

RAHMATI A.R., Chitsazi F., REISZADEH M.. Evaluation of Performance of both Spiral and Direct Tube Heat Exchanger Using the Hybrid Nano fluid. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2020;10(1 ):193-207. Available from: https://sid.ir/paper/367816/en

IEEE: Copy

A.R. RAHMATI, F. Chitsazi, and M. REISZADEH, “Evaluation of Performance of both Spiral and Direct Tube Heat Exchanger Using the Hybrid Nano fluid,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 10, no. 1 , pp. 193–207, 2020, [Online]. Available: https://sid.ir/paper/367816/en

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