Design of Microwave Antenna Array for Imaging of Multiphase Flows in Polypropylene Pipes

Table 1

Electromagnetic and thermal parameters at 2.45 GHz.

	Oil	Water	PEEK	Unit
Real part of permittivity	2.33	78	3.1	—
Dielectric loss factor	0.001	16	0.003	—
Thermal conductivity	0.25	0.5986	0.20	W/m/K
Convection coefficient	300	0	0	W/m^2/K
Density	820	998.6	1400.0	kg/m^3
Heat capacity	2.732	4.1842	1	kJ/K/kg
Temperature	25	25	25	Degree