HEAT TRANSFER THROUGH COMPOSITE WALLS

HEAT TRANSFER THROUGH COMPOSITE WALLS

Make: HANSA
Model No: HT-001
Origin: India

The setup consists of a heater sandwiched between two sets of slabs. Three types of slabs are provided on either sides of heater, which forms a composite structure.

Description

The setup consists of a heater sandwiched between two sets of slabs. Three types of slabs are provided on either sides of heater, which forms a composite structure. A small hand press frame is provided to ensure the perfect contact between the slabs. A variac is provided for varying the input to the heater. Digital Voltmeter and Digital Ammeter display the heat input. Heat produced by heater flows axially on both the sides. Temperature Sensors are embedded at the interfaces of slabs to determine the temperature gradient. The experiment can be conducted at various values of heat input and calculation can be made accordingly.

TECHNICAL DETAILS:

  • Slab assembly arranged symmetrically on both sides of heater.
    Slab Material and Slab Size:
    Cast Iron: 250 mm dia. & 20mm thick.
    Bakelite: 250 mm dia. & 15 mm thick.
    Press Wood: 250 mm dia. & 12 mm thick
  • Heater: Nichrome wire
  • Control panel comprising of
    Digital Voltmeter: 0-300 Volts
    Digital Ammeter: 0-2 Amp
    Variac: 0-230 V, 2Amp
    Digital Temp. Indicator: 0-2000C, with multi-channel switc
    Temp. Sensors: RTD PT-100 type
    With standard make On/off switch, Mains Indicator etc.
  • Instruction Manual : An ENGLISH instruction manual will be provided along with the Apparatus
  • Cabinet to accommodate the slab assembly with front window of glass/acrylic.
  • The whole set-up is mounted on a powder coated base plate.

EXPERIMENTATION:

  • To determine total thermal resistance and thermal conductivity of composite wall
  • To plot temperature gradient along composite wall

SERVICE REQUIRED:

  • Electricity Supply: 1 Phase, 220 V AC, 2 Amps

 

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