Volkswagen Touran Service Manual: Pressure and Boiling Point
The boiling point given in tables for a liquid is always
referenced to an atmospheric pressure of 1 bar (14.5 psi). If
the pressure acting on a fluid changes, its boiling point also
changes. |
For example, water boils at a lower temperature the lower
the pressure. |
The vapor pressure curves for water and refrigerant R134a
show that, at constant pressure, reducing the temperature
changes vapor to liquid (in the condenser) or that reducing the
pressure causes the refrigerant to change from liquid to vapor
(evaporator). |
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Vapor pressure curve of water |
C - |
Vapor pressure curve of water |
1 - |
Pressure acting on liquid in bar (psi) |
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Vapor pressure curve of refrigerant R134a |
D - |
Vapor pressure curve of refrigerant R134a |
1 - |
Pressure acting on liquid in bar (psi) |
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The four known states of water also apply to air
conditioning system refrigerants.
1 -
gaseous (invisible)
2&n ...
The vapor pressure table for every refrigerant is published
in literature for refrigeration system engineers. This table
makes it possible to determine the vapor pres ...
Other materials:
Volkswagen Touran Owners Manual. Sub-menu Assistant
First read and observe the introductory information
and safety warnings
Assistant menu
Function
Sign Assist
Switch road sign recognition system on or off .
Lane Assist
Switching the lane departure warning system on and off
...
Volkswagen Touran Owners Manual. Fastening and unfastening seat belts
Fig. 57 Inserting the seat
belt latch plate into the buckle
Fig. 58 Removing the latch
plate from the buckle
First read and observe the introductory information
and safety warnings If worn properly, seat belts hold
the vehicle occupants in the correct sitting position during an acc ...
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