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They regulate blood pressure.
Yes
They help regulate blood pressure (I think)
8.2
The governor, purge valve, and regulatory valves to the brake chambers regulate the air pressure.
Thermostatic Expansion Valve
The saturation. Pressure of the low side of system
at the metering device before the evaporator
when the load increases the amount of vapor increases , so the pressure inside the evaporator increases and as we r in the wet region inside the evaporator the pressure and the temp. are proportional so the temp. too will increase but we use some valves to fix this problem , for example thermostatic expansion valve it helps add more m dot of the refrigerant so the amount of heat from the load will be distributed over a larger mass so the pressure inside the evaporator will remain the same
when the load increases the amount of vapor increases , so the pressure inside the evaporator increases and as we r in the wet region inside the evaporator the pressure and the temp. are proportional so the temp. too will increase but we use some valves to fix this problem , for example thermostatic expansion valve it helps add more m dot of the refrigerant so the amount of heat from the load will be distributed over a larger mass so the pressure inside the evaporator will remain the same
on the evaporator / dryer
the system capacity is max out