Mechanical Equivalent Of Heat Apparatus

Mechanical Equivalent Of Heat Apparatus

Product Details:

350000 INR

Price And Quantity

  • 350000 INR
  • 1 Piece

Trade Information

  • Cash Advance (CA)
  • 60/90 Days Days
  • Export Worthy
  • ISO

Product Description

Description of Mechanical Equivalent Of Heat Apparatus:

The apparatus incorporates a universal electric motor with variable speed control for driving a brass drum calorimeter, two sets of weights, heavy and light, a set of brake bands to encircle the drum, a spring balance, a thermometer and a counter for recording the revolutions of the drum. All items of equipment are mounted on the steel cabinet which contains the motor control gear.

Operation of Mechanical Equivalent Of Heat Apparatus:

When fully assembled the double part of the belts suspends the heavier weights up to a total of 4 kg, while the single part suspends the carrier for the light weights and the spring balance. A measured amount of water, approx. 350g, is then carefully inserted into the calorimeter. Rotation is then begun and the light weights are adjusted to keep the heavy weight in floating equilibrium with the spring balance pointer near the centre of the scale. Calorimeter speed can then be set between 60-120 rev/min. After a few revolutions the friction will become practically constant and the water temperature will rise at an approximate rate of 1ºC per 100 revolutions. The weight of the drum is engraved upon it which, together with the specific heat of the brass, 0.092, allows the total thermal capacity of the drum to be calculated. The heat generated is then the product of the total thermal capacity of the drum and water, and the observed rise in water temperature. Mechanical work done is the product of the difference in weight on either side of the drum, including the carriers, multiplied by the number of revolutions of the drum and its circumference.

Technical Specification of Mechanical Equivalent Of Heat Apparatus:  

Equipment comprises electric motor driven rotating drum calorimeter, brake bands furnished with mass hangers and mass-es/spring balance weighing system, thermometer, revolution counter and motor variable speed control.


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