Heat Transfer through Composite Walls

Technical Details
Parameter Details
Slab size : M.S - 300mm x 25mm thick 2nos. Press Wood - 300 mm x 12 mm thick 2nos. Bakelite - 300 mm x 19 mm thick 2nos
Nichrome heater of suitable capacity. Control Panel comprising of –
  • I) Voltmeter 0 - 200 volts Ammeter 0-2 amps
  • Dimmerstat 0-230V, 2amps
  • Digital temperature indicator r 0-200°C with 0.10C least count using chromel alumel thermocouples cold provided with cold junction compensation.
    - Wooden cabinet of suitable size to accommodate the slab assembly with hand screw press.
    Range Of Experiment
  • To find out total Thermal conductivity and total thermal resistance of composite walls.
  • Study of variation of emissivity