Influence of Narrow Rectangular Channel () on Heat Transfer and Friction for V- and W-Shaped Ribs in Turbine Blade Applications

Table 2

Instrument details.

Measuring device	Model and make	Accuracy	Range
Multimeter	M 3900, M/s Mastech	± 0.5%	200 mV to 1000 V
Pressure transmitter	CP 100, M/s KIMO	± 1.5%	0 to 100 Pa
Thermal camera	Ti 9, M/s Fluke	± 5°C	-20°C to 250°C
Thermocouple	-type	± 0.25%	0 to 600°C
Anemometer	Testo 425	± 0.03 m/s	0 to 20 m/s