Table 1 System parameters
Symbol | Description | Value |
|---|---|---|
T i | Compressor inlet temperature | 30°C |
T do | Compressor discharge temperature | 390°C |
T fo | Gas turbine inlet temperature | 1085°C |
T eo | Gas turbine exhaust temperature | 535°C |
P ro | Compressor pressure ratio | 11.5 |
γ | Ratio of specific heat | 1.4 |
η c | Compressor efficiency | 0.85 |
η t | Turbine efficiency | 0.85 |
R | Speed Regulation | 0.04 |
T t | Temperature control integration rate | 0.469 |
T c max | Temperature control upper limit | 1.1 |
T c min | Temperature control lower limit | 0 |
F d max | Fuel control upper limit | 1.5 |
F d min | Fuel control lower limit | 0 |
T v | Valve positioner time constant | 0.05 |
T fu | Fuel system time constant | 0.4 |
T w | Air control time constant | 0.4669 |
T cd | Compressor volume time constant | 0.2 |
K 0 | Gas turbine output coefficient | 0.0033 |
K 1 | Steam turbine output coefficient | 0.00043 |
T g | Governor time constant | 0.05 |
K 4 | Gain of radiation shield | 0.8 |
K 5 | Gain of radiation shield | 0.2 |
T 3 | Radiation shield time constant | 15 |
T 4 | Thermocouple time constant | 2.5 |
T 5 | Temperature control time constant | 3.3 |
K 3 | Ratio of fuel adjustment | 0.77 |
K 6 | Fuel valve lower limit | 0.23 |
T m | Tube metal heat capacitance time constant of waste heat recovery boiler | 5 |
T b | Boiler storage time constant of waste heat recovery boiler | 20 |
T i | Turbine rotor time constant | 18.5 |
W | Air flow | 1.0 |