Question
Oil enters a circular tube (3mm diameter) at 0 degree C that is surrounded by a heating fluid at 100 degree C. Assume the Nu
Oil enters a circular tube (3mm diameter) at 0 degree C that is surrounded by a heating fluid at 100 degree C. Assume the Nu outside the tube is 1 and the thermal conductivity of the heating fluid is 0.5W/m-K. The Nu number inside the tube is unknown. The velocity of the oil is 0.1m/s. Properties of the oil are in the picture.
Assuming a constant wall temperature, estimate the length of the tube needed for the bulk (or mean) temperature of the oil to reach 95 degree C.
Oil enters a circular tube (3mm diameter) at 0C that is surrounded by a heating fluid at 100C. Assume the Nu outside the tube is 1 and the thermal conductivity of the heating fluid is 0.5W/m-K. The Nu number inside the tube is unknown. The velocity of the oil is 0.1m/s. Properties of the oil: Density Oil - 1000 kg/m Viscosity Oil = 7x 10* kg/m-s Heat Capacity Oil = 4178 J/kg-K Thermal Conductivity Oil = 0.6 W/m-K Heating Fluid, Tf he Tube wallC Oil Assuming a constant wall temperature, estimate the length of the tube needed for the bulk (or mean) temperature of the oil to reach 95C.
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Vector Mechanics for Engineers Statics and Dynamics
Authors: Ferdinand Beer, E. Russell Johnston Jr., David Mazurek, Phillip Cornwell, Brian Self
11th edition
73398241, 978-0073398242
