Research Article

Experimental Study of Onset of Nucleate Boiling in Vertical Rectangular Channels with Different Flow Path Heights

Table 5

Relative errors.

Channel aChannel b
Heating power (W)296.1401.5
Inlet temperature (°C)89.890.4
Mass flow rate (m2/s)104.0100.0
Temperature deviation (°C)68
Maximum relative error of heat flux9.5%7.1%
Wall temperature (°C)110110
Heat flux (W/m2)6900069000
Distance between thermocouples and wall (mm)4.03.0
Maximum relative error of 1.56%0.98%