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Basics of gas turbines

- Enthalpy of ideal gas at given temperature
- Heat capacity ratio
- Internal Energy of a perfect gas at given temperature
- Mach Angle
- Mach Number
- Mass flow rate of exhaust gases
- Mass flow rate of exhaust gases if fuel air ratio is known
- Pressure ratio
- Shaft work in compressible flow machines
- Shaft work in compressible flow machines neglecting inlet and exit velocities
- Speed of Sound
- 5 More formulas!

Fundamentals of rotating machines

- Degree of reaction for compressor
- Degree of reaction for turbine
- Impeller outlet diameter
- Isentropic efficiency of compression machine
- Isentropic efficiency of expansion machine
- Mean diameter of impeller
- Tip velocity of impeller if mean diameter is known
- Tip velocity of impeller in terms of hub diameter and inlet diameter
- Work done by roots blower

General fluid dynamics

- Angular moment of momentum at exit
- Angular moment of momentum at inlet
- Energy transfer due to centrifugal effect
- Energy transfer due to change of absolute kinetic energy of the fluid
- Energy transfer due to the change of the relative kinetic energy of the fluid
- Peripheral velocity of the blade at the entry corresponding to diameter
- Peripheral velocity of the blade at the exit corresponding to diameter
- Torque produced

Gas cycles

Ideal cycles

- Amount of heat added in simple gas turbine cycle
- Amount of heat added in simple gas turbine cycle if temperature is known
- Compressor work
- Compressor work in simple gas turbine if temperature is known
- Efficiency of a Joule cycle
- Efficiency of cycle
- Net work output in simple gas turbine cycle
- Turbine work in simple gas turbine cycle
- Turbine work in simple gas turbine cycle if temperature is known

Jet propulsion cycles

- Effective speed ratio
- Gross thrust
- Inlet drag
- Jet velocity if enthalpy drop is known
- Jet velocity if temperature drop is known
- Kinetic energy of air at inlet
- Kinetic energy of gases at exit
- Momentum thrust
- Overall efficiency of a propulsive system
- Propeller Efficiency
- Propeller efficiency if thrust is known
- 18 More formulas!

Practical cycles

- Efficiency of compressor in actual gas turbine cycle
- Efficiency of compressor in actual gas turbine cycle in terms of enthalpy
- Efficiency of turbine in actual gas turbine cycle
- Efficiency of turbine in actual gas turbine cycle in terms of enthalpy
- Minimum temperature ratio
- Stagnation enthalpy
- Work of turbine without pressure losses
- Work ratio in practical cycle
- Work required to drive the compressor including mechanical losses

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