APPD | : an abbreviation for arbitrary pressure pulsation generating device |
C | : sonic conductance, dm3/(s・MPa) |
E | : input voltage of the servo valve, V |
Eave | : average input voltage of the servo valve, V |
Eamp | : amplitude of the input voltage of the servo valve, V |
f | : frequency, Hz |
P | : pressure, Pa |
P0 | : upstream pressure, MPa (G) |
P1 | : pressure at pipe inlet, Pa |
P2 | : pressure at pipe outlet, Pa |
Pamp | : amplitude of pressure pulsation |
Q | : volumetric flow rate, dm3/s (ANR) |
UFG | : an abbreviation for unsteady flow rate generator |
t | : time, s |
θ | : air temperature, K |