Table 2: Thermo-physical properties of particle and nanofluid.
Al2O3 | Fe3O4 | |
ρp | 3970 | 5100 |
cp,p |
102.429 + 38.7498T/1000-15.9109(T/1000)2 + 2.628181(T/1000)3 - 3.00755/(T/1000)2 |
104.2096 + 178.5108T/1000-10.6151(T/1000)2 + 1.132534(T/1000)3 -0.9942/(T/1000)2 |
λp | 9*10-5 T2 - 0.1426T + 69.117 | |
ρnf | (1- ψp) ρf + ψpρp | |
cp,nf | ((1- ρp) ρf cp,f + ψpρpcp,p)/ρnf | |
μnf | (1 + 2.5 ρp)μf | |
λnf | (λp+(n-1) λf + (n-1) ϕp(λp-λf))λf/(λp+ (n-1) λf - ϕp(λp - λf)) |
Note: n = 3 for spherical particles.