Formulas
- Formula 1-1
- Barometer formula
- Formula 1-2
- Barometer formula number
- Formula 1-3
- Definition of pressure
- Formula 1-4
- General gas equation
- Formula 1-5
- Gas pressure
- Formula 1-6
- Probable velocity
- Formula 1-7
- Mean velocity
- Formula 1-8
- Mean free path
- Formula 1-9
- Knudsen number
- Formula 1-10
- Reynolds number
- Formula 1-11
- pV flow
- Formula 1-12
- Definition of volume flow rate, or pumping speed
- Formula 1-13
- Vacuum pump throughput
- Formula 1-14
- Definition of conductivity
- Formula 1-15
- Parallel connection conductivities
- Formula 1-16
- Series connection conductivities
- Formula 1-17
- Blocking
- Formula 1-18
- Gas dynamic flow
- Formula 1-19
- Orifice conductivity
- Formula 1-20
- Orifice flow
- Formula 1-21
- Laminar pipe flow
- Formula 1-22
- Molecular pipe flow
- Formula 1-23
- Molecular pipe conductivity
- Formula 1-24
- Desorption
- Formula 1-25
- Desorption from plastic material
- Formula 1-26
- Permeation
- Formula 1-27
- Leakage rate
- Formula 1-28
- Ultimate pressure (t)
- Formula 2-1
- Compression ratio
- Formula 2-2
- Pump combination gas flow
- Formula 2-3
- Backflow conductivity
- Formula 2-4
- Real compression ratio
- Formula 2-5
- Recursion pumping speed
- Formula 2-6
- Water vapor tolerance
- Formula 2-7
- Water vapor capacity
- Formula 2-8
- Roots pump power input
- Formula 2-9
- Turbopump K0
- Formula 2-10
- Turbopump pumping speed
- Formula 2-11
- Turbopump Seff
- Formula 2-12
- Specific pumping speed
- Formula 2-13
- Holweck stage pumping speed
- Formula 2-14
- Holweck stage compression ratio
- Formula 2-15
- Ultimate pressure
- Formula 4-1
- Quadrupole deflection voltage
- Formula 4-2
- Stability parameter a
- Formula 4-3
- Stability parameter q
- Formula 4-4
- Stability condition U
- Formula 4-5
- Stability condition V
- Formula 4-6
- High-pass condition
- Formula 4-7
- Shot orifice
- Formula 4-8
- Shot angle
- Formula 4-9
- Maximum acceleration voltage Uzmax
- Formula 4-10
- HF power
- Formula 4-11
- Scatter
- Formula 4-12
- Ion current
- Formula 5-1
- Leakage rate conversion with differential pressure measurement
- Formula 7-1
- Roots pump gas load
- Formula 7-2
- K0 of a Roots pump
- Formula 7-3
- K0 laminar
- Formula 7-4
- K0 molecular
- Formula 7-5
- S1 for Δpd << pv
- Formula 7-6
- S against high pressure
- Formula 7-7
- S against low pressure
- Formula 7-8
- Pump-down time
- Formula 7-9
- Calculation of the condensation surface area
- Formula 7-10
- Diffusion coefficient (T)