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. Function
First read and observe the introductory information
and safety warnings The road sign recognition system does not work in all
countries. Please remember this when travelling abroad.
Display of road signs
The speed limits and overtaking instructions with an accompanying additional
sign are ...
Volkswagen Touran Service Manual. Brush Grinder Set -VAS6776
Definition:
Brush Grinder Set -VAS6776-
Product Description:
The device is used to clean surfaces and remove corrosion in
hard to reach areas. For example, it is suitable for joints,
grooves, ...
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Physical Principles
Refrigerant R134a Vapor Pressure Table