Working Fluid
The working fluid can be of any composition and the system may be single phase (liquid only or gas only) or dual phase (liquid/gas).
Read more about this topic: External Combustion Engine
Famous quotes containing the words working and/or fluid:
“To get away from one’s working environment is, in a sense, to get away from one’s self; and this is often the chief advantage of travel and change.”
—Charles Horton Cooley (1864–1929)
“It is more than likely that the brain itself is, in origin and development, only a sort of great clot of genital fluid held in suspense or reserved.... This hypothesis ... would explain the enormous content of the brain as a maker or presenter of images.”
—Ezra Pound (1885–1972)