Thermal Analysis of Graphene-Based Nanofluids for Energy System and Economic Feasibility

Table 2

Ranges and precisions of tools and working fluid properties.

Instrument/sensor	Range	Uncertainty
Type-T thermocouple	0-300°C	±0.1 °C
RTD (PT-100) sensor	0-200 °C	±0.1 °C
Burkert flow meter (type SE32)	0.3-10 m/s	±1%
Differential pressure transmitter (PX154-025DI)	0-6.23 kPa	±0.75%
Power supply	0-260 V	0.33 V
	0-12 A	0.04 A
Thermal conductivity	0.2-2 W/m. K	5%
Dynamic viscosity		1%
Density	0-3 g/cm^3	1%
Specific heat	0.01°C to 300°C/min	2%