Research Article
Effects of Heat Transfer Characteristics of R32 and R1234yf with Al2O3 Nanoparticle through U-Bend Tube Evaporator
Figure 4
Variation of heat transfer coefficient at a constant temperature for different percentages of R32-Al2O3 nanofluid at various mass fluxes of (a) 60 kg/m2·s, (b) 85 kg/m2·s, and (c) 160 kg/m2·s.
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