Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning

When the discharge pressure is too high in a refrigeration system, high pressure control is installed to stop the compressor.

A grey body is one whose absorptivity does not vary with temperature and wave length of the incident ray.

The wet bulb temperature during sensible cooling of air

In absorption vapour systems, the refrigerant widely used is R-12.

Hydrogen is used in electrolux refrigeration system so as to __________ the rate of evaporation of the liquid ammonia passing through the evaporator.