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Basics of gas turbines

- Diffuser Efficiency
- Diffuser Efficiency when inlet and exit velocities are present
- Enthalpy of ideal gas at given temperature
- Heat capacity ratio
- Internal Energy of perfect gas at given temperature
- Mach Angle
- Mach Number
- Mass flow rate of exhaust gases
- Mass flow rate of exhaust gases given fuel air ratio
- Pressure ratio
- Shaft work in compressible flow machines
- 7 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 given mean diameter
- 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 fluid
- Energy transfer due to change of relative kinetic energy of fluid
- Peripheral velocity of blade at entry corresponding to diameter
- Peripheral velocity of blade at 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 given temperature
- Compressor work
- Compressor work in simple gas turbine given temperature
- Efficiency of cycle
- Efficiency of Joule cycle
- Net work output in simple gas turbine cycle
- Turbine work in simple gas turbine cycle
- Turbine work in simple gas turbine cycle given temperature

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
- Max work output in Brayton cycle
- 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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