Numerical Investigation of Heat Transfer and Friction Factor Characteristics in a Circular Tube Fitted with V-Cut Twisted Tape Inserts

Table 1

Thermo-physical properties of materials.

Materials	Density; (Kg/m^3)	Specific heat; (J/kg·K)	Thermal conductivity; (W/m·K)	Viscosity; (Pa·s)
Water	998.2	4182	0.6	0.001003
Steel	8030	502.48	16.27	—
Aluminium	2719	871	202.4	—