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Effect of Cu-water nanofluid on the heat transfer by rotating heat pipe

Abstract : This paper presents a study on the effect of using Cu-water nanofluid on the heat transfer by rotating heat pipe (RHP). A mathematical model is presented of the RHP including, vapor velocity, gravity effect and taper angle. The study is carried out at different rotation speeds, RHP temperatures differences (ΔT) and masses of working fluid of the RHP. Using of Cu-water nanofluid with RHP decreases the liquid film thickness adjacent to its walls and increases the heat transfer by RHP compared with ordinary fluid. The heat transfer by RHP increases with increasing ΔT and volume fraction and radius of solid nanoparticles. The maximum heat transfer by RHP at ΔT=20 oC and ω=3000rpm increases by about 56% due to using Cu-water nanofluid with volume fraction 0.04 and nanoparticles radius 5nm. © 2013 AIP Publishing LLC.
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Submitted on : Tuesday, March 22, 2022 - 8:19:05 AM
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Hamdy Hassan, Souad Harmand. Effect of Cu-water nanofluid on the heat transfer by rotating heat pipe. 11th International Conference of Numerical Analysis and Applied Mathematics 2013, ICNAAM 2013, Sep 2013, Rhodes, Greece. pp.2076-2079, ⟨10.1063/1.4825944⟩. ⟨hal-03615902⟩

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