Specification:
- A bench mounted unit specifically designed to demonstrate the phenomena of free and forced convection and to measure temperature profiles from three different heat transfer surfaces
- Comprises of a vertical air duct, with a transparent front for visibility mounted on a fan at the base of the duct, three heat transfer surfaces, airflow, and temperature probes
- Technical data is included for each of the three heat transfer surfaces, which will enable students and researchers to compare practical results with theoretical analysis for free and forced convection
- Three heat transfer surfaces supplied:
– a flat plate surface area 0.011m2
– pinned extended surface area 0.0525m2
– finned extended surface area 0.1414m2
- Vertical duct incorporates a transparent front wall allowing complete visualisation of the process and identification of the airflow and temperature sensors
- Each heat transfer surface is fitted with its own heater (240W) and thermocouples, to allow for easy interchange
- All heat transfer surfaces incorporate guards to allow safe use outside of the duct for performing free convection experiments
Technical Details:
- Relationship between surface temperature and power input in free convection
- Relationship between surface temperature and power input in forced convection
- Understanding of the use of extended surfaces to improve heat transfer from the surface
- Determining the temperature distribution along an extended surface
- Comparing characteristics of a vertical and horizontal flat plate in free convection
- Determining the characteristic velocity, the Reynolds, Grashof and Rayleigh numbers for a flat plate in free convection
- Comparing horizontal and vertical configurations for a finned exchanger in free convection
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