![]() Now, we will see how above two properties works in absorption refrigeration cycle. So, this concentrated LiBr aqueous solution can absorb water vapours. Second important property is the Lithium Bromide affinity towards water.So, we can see at 6 mmHg absolute pressure water boils at 3.7 0C. ![]() Boiling point of water is the function of pressure, as we reduce the pressure its boiling point reduces.The below are two important properties which are the basis for working a VAHP (with LiBr and water working fluids): Where, ammonia is refrigerant and water is absorbent. And, to generate chilled brine, we use ammonia and water working fluids. So, to generate chilled water 7.0 0C we use LiBr (lithium bromide) as an absorbent and water as refrigerant. ![]() In this process there are two working fluids – one is refrigerant and other is absorbent. What is Vapour Absorption Refrigeration Cycle?Īs we discussed above VAHP works upon vapour absorption refrigeration cycle.
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