Open Access

Table 1

Input parameters for CFD.

Parameter Value Parameter Value
Density of drilling fluid, kg/m3 1250 Discharge capacity, L/s 35
Viscosity of drilling fluid, Pa/s 0.045 Heat transfer coefficient k1, W/(m2 °C) 179.9
Injection temperature of drilling fluid, °C 20 Wall thickness of drill pipe, m 0.059

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