Table 2 Thermophysical properties of ferrofluids.

From: Enhancement of thermal energy transfer behind a double consecutive expansion utilizing a variable magnetic field

Parameter

Unit

EMG-308

EMG-805

Density (ρ)

kg/m3

1060

1190

Thermal Conductivity (k)

W/m–K

0.63

0.67

Specific Heat (Cp)

J/kg-K

3915.9

3475.2

Solid Volume Fraction (ϕ)

%

1.2

3.6

Viscosity (µ)

Pa·s

0.002

0.003

Magnetic Sensitivity (xff)

0.50

2.89

Saturation Magnetization (Ms)

mT

6.6

22