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How can I calculate the pressures encountered above the critical temp? All my refs stop at 213F for R134a refrigerant.

What exactly happens if you heat a given working fluid above its critical temp? Does the pressure stop rising? Is there any benefit in a closed heat engine system to do so? I am working with R134a for a working fluid Thanks

What is the gas constant # for R134a refrigerant vapor @ 180 degrees F? Thanks

I am considering using an a/c rotary vane compressor as an expander in a solar generating project. The working fluid is R134a refrigerant. From volume measurements I've determined it takes a 12cc space to a 36cc space before dumping, or 1:3. From what I've heard it should be more like 1:9. I've...

I am constructing a hybrid solar/ solid fuel generator system. An insulated water tank will evaporate R134a, in a coil(s) configuration,always below the boiling point of water open to the atmosphere for safetys sake. The vapor will drive one or more rotary vane a/c compressors modified as...

I am constructing a hybrid solar/ solid fuel generator system. An insulated water tank will evaporate R134a, in a coil(s) configuration,always below the boiling point of water open to the atmosphere for safetys sake. The vapor will drive one or more rotary vane a/c compressors modified as...

I am constructing a hybrid solar/ solid fuel generator system. An insulated water tank will evaporate R134a, in a coil(s) configuration,always below the boiling point of water open to the atmosphere for safetys sake. The vapor will drive one or more rotary vane a/c compressors modified as...

I am considering using an a/c rotary vane compressor as an expander in a solar generating project. The working fluid is R134a refrigerant. From volume measurements I've determined it takes a 12cc space to a 36cc space before dumping, or 1:3. From what I've heard it should be more like 1:9. I've...