Vapour absorption refrigeration system4/17/2023 Additionally, the VAR system runs quietly and is almost maintenance-free, and the primary energy used to drive the independent engine of the VCR system can be saved. Efficiency and hence Mileage of the vehicle can therefore be improved significantly. In this case the exhaust gases supply energy to a generator, which along with an absorber replaces the cumbersome compressor and its dedicated IC engine. ![]() An alternate system for refrigeration is the Vapour Absorption Refrigeration (VAR) system utilising the waste heat in the exhaust gases from the main propulsion unit of the vehicle. ![]() Although in smaller systems, the compressor can be belt driven from the main propulsion engine, in large systems, it is normally driven by a dedicated internal combustion (IC) engine which demands high load. In such a unit, the compressor requires an input of energy in the form of work. ![]() ![]() The refrigeration units currently used in road transport vehicles are predominantly of the vapour compression refrigeration (VCR) type.
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