Glossary of Thermodynamic Terms

beginning with the letter...

Primary Word
Secondary Word
Tutorial Page Link
uniform flow Properties of the flowing fluid are the same at all positions over the cross-sectional area of flow and they do not vary with time. 5D1 - 4, 5E1 , 4, 
uniform state At any particular instant, properties of the system are the same as the properties of the outlet stream because the system is well-mixed. 5D1, 5E1 , 5, 
unit conversions 1B3 , 6 - 8
units 1B2
universal gas constant The constant of proportionality in the ideal gas equation of state denoted by the symbol R [ kJ/kmol-K, kPa-m3 / kmol-K ]. 2E2
unsteady-state 5D1