Research Article
Effects of Heat Transfer Characteristics of R32 and R1234yf with Al2O3 Nanoparticle through U-Bend Tube Evaporator
Figure 5
Variation of heat transfer coefficient for vapor fraction of R32 at various temperatures and at mass fluxes of (a) 35 kg/m2·s and (b) 160 kg/m2·s.
(a) |
(b) |