-
Welcome to Overclockers Forums! Join us to reply in threads, receive reduced ads, and to customize your site experience!
How does a cascade work?
- Thread starter Meatshake
- Start date
A single stage type refrigerant, condensable with a normal air to refrigerant heat exchanger is evaporated to condense another pressure that is normally not condensable in room temperatures. The rest you should be able to figure out as far as parts an such.
- Joined
- Apr 1, 2004
- Location
- Vancouver Canada
It's all in the different types of refrigerants.
A normal single stage uses a refrigerant which will consense at an easily reachable temperature and pressure. First stage refrigerants are limited in that they must condense at room temperature, and at a pressure and flow rate that a regular compressor can keep up with (while keeping the low side pressure low enough to give good evaporation temps). This limits the refrigerant to things like R290, R22, R404a etc. They can all be consensed by a single stage unit, but don't have the extreme evaporation temperatures of other refrigerants.
A cascase is just 2 (or more) single stage units, tied together. The first stage is just like a normal single stage, but it's evaporator cools the condensor of the sencond stage rather than the cpu, gpu etc. This means that the refrigerant of the second stage doesn't have to condense at room temperature, it has to condense at the evap temp of the first stage (say -40 or so). This allows you to run different refrigerants in the second stage which have a much lower evaporation temperature.
A normal single stage uses a refrigerant which will consense at an easily reachable temperature and pressure. First stage refrigerants are limited in that they must condense at room temperature, and at a pressure and flow rate that a regular compressor can keep up with (while keeping the low side pressure low enough to give good evaporation temps). This limits the refrigerant to things like R290, R22, R404a etc. They can all be consensed by a single stage unit, but don't have the extreme evaporation temperatures of other refrigerants.
A cascase is just 2 (or more) single stage units, tied together. The first stage is just like a normal single stage, but it's evaporator cools the condensor of the sencond stage rather than the cpu, gpu etc. This means that the refrigerant of the second stage doesn't have to condense at room temperature, it has to condense at the evap temp of the first stage (say -40 or so). This allows you to run different refrigerants in the second stage which have a much lower evaporation temperature.
- Joined
- Apr 1, 2004
- Location
- Vancouver Canada
No problem. And Welcome to the forum 
Similar threads
