turbine inlet temperature


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turbine inlet temperature

turbine inlet temperature
The temperature taken in front of the first-stage turbine nozzle vanes. This is the most critical temperature within the engine and is controlled by regulating the amount of fuel flow into the engine.
References in periodicals archive ?
(1) For the SC[O.sub.2] Brayton Cycle, the key cycle parameters such as turbine inlet temperature, pressure ratio, outlet temperature at the hot end of condenser, and terminal temperature difference of regenerator temperature have great effects on the cycle thermodynamic properties.
8 and 9 show the influence of turbine inlet temperature on thermal and exergy efficiencies, respectively, as a function of the reheating pressure ratio for cyclohexane cycle at the other already described thermodynamics states.
The slope of turbine inlet temperature is steeper at low CR than it is at high CR.
With more advanced materials and cooling technologies, increases in turbine inlet temperature are possible in order to increase the thermal efficiency of the cycle.
The main target is to reach the maximum combustion efficiency, reducing the turbine inlet temperature and fuel consumption.
Modern high turbine inlet temperature jet engines with long life (that is, on the order of 25,000 hours of operation between overhauls) would not be possible without the use of single-crystal turbine airfoils.
is a promising one, full of interesting possibilities." The author believed these prospects were based on raising the turbine inlet temperature in the near future to 648[degrees]C (1,200[degrees]F) from 538[degrees]C (1,000[degrees]F), raising the cycle efficiency (of the Neuchatel machine) from 18% to 23%, representing an improvement of 28%.
It was installed at Neuchatel, Switzerland and had an output of 4MW, a thermal efficiency, n, of 18%, a firing temperature (turbine inlet temperature) of 998[degrees]F (357[degrees]C) and a relatively low exhaust temperature of about 530[degrees]F (277[degrees]C).
I am not against improving turbine inlet temperature. We simply need to keep it in perspective.
Modern high turbine inlet temperature jet engines with long life (that is, 25,000 hours of operation between overhauls) would not be possible without the use of single-crystal turbine airfoils.
Cycle analysis said that the higher the compressor pressure ratio, the more efficient the turbofan--provided the turbine inlet temperature could be optimized for the pressure ratio.
A conventional boiling water reactor nuclear power plant costs $2,000/kW or higher, and a simple-cycle gas turbine plant fueled by natural gas is about $400/kW The PBMR turbine inlet temperature level is modest at 900[degrees]C (1,652[degrees]F), and the compression ratio is fairly low at about 3:1.