Ph Diagram Refrigeration. D constant temperature lines represent isothermal processes. This can be contrasted with the co 2ph diagram with a.
However first lets understand air conditioning theory the basic principle types of heat how heat transfers and well discuss how the basic refrigeration cycle diagram works. An internally reversible constant pressure heat rejection in which the working substance is de superheated and then condensed to a saturated liquid at. 11 06 08 10 12 14 16 18 20 22 24 40 30 20 10 0 10203040 50 intermediate sat.
In the centreblue there is a mixture of steam and liquid the wet steam.
For different refrigerants different p h charts are available. Temp c cop c 35cop 1 50cop 1 35cop 2 50cop 2 cond. It uses for this example evaporating and condensing temperatures of 0f and 120f. Temp c cop c cop cr cop c cop cr geometric mean intermediate optimum intermediate temperature for 2 stage vcc 0 2 4 6 8 10 400 300 200 100 00 100 evap.