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Energy (Macroscopic energy-Mechanical # (Work done (Flow work-work done on…
Energy
Macroscopic energy-Mechanical
#
Work done
Flow work-work done on the fluid
Mechanical Energy Balance= Sum of Flow work, KE & PE
KE
#
Kinetic Head
#
PE
#
Static Head
Total Head
Microscopic energy -Internal
#
Motion of atoms
Internal PE
Internal KE
Interconvertible =ME⟺IE
Ex.: pump, turbine
Irreversible = ME⟶IE
ex.: increase of gas T in high speed gas flow system
Thermal Energy
Enthalpy-not part of energy but useful parameter