Answer
Main working fluids are water, water-glycol mixture (glycol is used to avoid freezing), refrigerant R134a. These fluids are flowed in counter-flow heat exchange since Counter flow heat exchanger has maximum heat transfer efficiency.
Work Step by Step
Main working fluids are water, water-glycol mixture (glycol is used to avoid freezing), refrigerant R134a. These fluids are flowed in counter-flow heat exchange since Counter flow heat exchanger has maximum heat transfer efficiency.