Cong Qi1,2,*, Chengchao Wang1,2, Jinghua Tang1,2, Dongtai Han2
Energy Engineering, Vol.117, No.2, pp. 63-78, 2020, DOI:10.32604/EE.2020.010433
Abstract Because of the poor thermal performance of ordinary tubes, a
triangular tube was used to replace the smooth channel in the heat transfer
system, and nanofluids were used to take the place of ordinary fluids as the heat
transfer medium. High stability nanofluids were prepared, and an experimental
set on flow and heat exchange was established. Effects of triangular tube rotation
angles (α = 0°, 30°, 60°) as well as mass fractions of nanofluids (ω = 0.1%, 0.3%,
0.5%) on heat exchange and flow performance were experimentally considered
at Reynolds numbers (Re = 800–8000). It was shown that the triangular… More >
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