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:
“Asking a working writer what he thinks about critics is like asking a lamp-post what it feels about dogs.”
—Christopher Hampton (b. 1946)
“There are no fixtures in nature. The universe is fluid and volatile. Permanence is but a word of degrees. Our globe seen by God is a transparent law, not a mass of facts. The law dissolves the fact and holds it fluid.”
—Ralph Waldo Emerson (1803–1882)