aircraft gas turbine engine technology written by irwin e treager download
Advances in Gas Turbine Technology Part 1 ppt
... the interested reader is referred to Saravanamuttoo (2002). The focus of the next section will be given on recent European research initiatives on enabling technologies relevant to the three research ... level of technology. Significant business case block fuel benefits of nearly 22% are predicted for the geared intercooled recuperated core engine due to its higher thermal and propulsive efficiency. ... diameter, has been assumed for the intercooled recuperated core engine; this results in both a heavier fan and a heavier nacelle. These observations are summarised in Table 3 with the added components...
Ngày tải lên: 21/06/2014, 02:20
Advances in Gas Turbine Technology Part 2 pptx
... turbines, decreasing the load remarkably decreases the temperature of the exhaust gas, while in the Diesel engine these changes are much smaller, and the temperature initially decreases and then starts ... temperatures of the exhaust gas from the gas turbines range between 450ữ600 0 C, on average, while those from the low-speed Diesel engines are of an order of 220ữ300 0 C. In the gas turbines, ... A., Rodgers, C. & Stone, A. (2008b). Recuperated gas turbine aeroengines, part II: engine design studies following early development testing, Aircraft Engineering and Aerospace Technology: ...
Ngày tải lên: 21/06/2014, 02:20
Advances in Gas Turbine Technology Part 5 potx
... observed differences, and the efficiency values remain equal to those obtained when the engine was tested with diesel, within the entire power range evaluated. Ethanol showed the lowest efficiency ... be expanded directly in the turbine, and there were no losses in either component, the power developed by the turbine would just equal that absorbed by the compressor. Thus if the two were ... the circuit. A cycle gas turbine with a heat exchanger can also be called a regenerative cycle, as shown in Figure 3, wherein the heat rejected in the exhaust gases of the gas turbine passes...
Ngày tải lên: 21/06/2014, 02:20
Advances in Gas Turbine Technology Part 6 ppt
... Another two sets of experimental data have been obtained. One set corresponds to three working regimes of the gas turbine + heat recovery steam generator version, defined by the flue gases temperature ... The heat recovery steam generator in the cogenerative groups is designed to run at certain parameters of the flue gases and superheated steam. The process requirements, the variable environmental ... (affecting the gas turbine and therefore the afterburning) influence the running of the heat recovery steam generator and the overall efficiency of the cogenerative group. The steam superheater...
Ngày tải lên: 21/06/2014, 02:20
Advances in Gas Turbine Technology Part 7 pptx
... temperature on the plant efficiency are represented as two tendency directions. One is the temperature upon the 12 degree, the efficiency is decreased following the increase in the environment ... the turbine blades increases. The above operating temperatures are far above the permissible metal temperatures. Therefore, there is a need to cool the turbine blades for safe operation. The ... fuels inlet temperature will be excessively decreased during chill period and causes the decrease in gas combustion temperature and consequently reduced the gas turbine efficiency; it tends...
Ngày tải lên: 21/06/2014, 02:20
Advances in Gas Turbine Technology Part 8 pot
... that the speeds are not identical because of the practical difficulties of measurement in testing. But the relative difference of 2.5% between these two speeds can be considered negligible. Figure ... flows. The elementary exchange surface is the area of the contour of the tube, not including the passage through the upstream guide. It is equal to the perimeter multiplied by the elementary length ... propagation for the dependent variable in terms of the measured values has been calculated using the Engineering equation Solver (EES) software. The measured variables 12 ,xx etc. have a random variability...
Ngày tải lên: 21/06/2014, 02:20
Advances in Gas Turbine Technology Part 10 pptx
... in the centre of the jet. The effects related to the increase of the mass fuel flow rate are also greater at the periphery than in the centre of the jet. These results confirm that the level ... flow. Several definitions of the average diameter have been established depending on the processes observed, but the SAUTER average diameter is generally used to describe vaporization in a medium ... the drop trajectories in the dispersed phase result from the experimental study of the jet. The initial drop diameters were determined by the value of the diameters measured 30 mm downstream...
Ngày tải lên: 21/06/2014, 02:20
Advances in Gas Turbine Technology Part 12 pptx
... slowed in recent years, there are further areas which may be explored in order to achieve further improvements in mechanical properties. The research described here has shown that there is definite ... temperature lifing offer designers the greatest reward. Since the development of the gas turbine engine, increased efficiency has acted as the driver which has led to operation at higher and higher ... structure. Aluminium atoms prefer the corners and nickel atoms prefer the faces of the face centred cube. The lattice misfit between these structures is very small and renders the surface energy negligible...
Ngày tải lên: 21/06/2014, 02:20
Advances in Gas Turbine Technology Part 14 pdf
... steady-state creep is enhanced and creep lifetimes are obviously shortened with the increase of the applied stresses. The observed creep curves are similar and show a respective course at the ... the same testing temperature. The creep curves show an obvious primary creep stage followed by an extended steady-state creep stage and then an accelerating creep stage leading to failure at ... To make a meaningful comparison of creep resistance, the creep data was evaluated here using a Larson-Miller parameter. Figure 3 shows the relationship between tensile creep rupture strength...
Ngày tải lên: 21/06/2014, 02:20
Advances in Gas Turbine Technology Part 18 doc
... kinetic energy of the deposited particles can be evaluated by Eq. 7. Here, the rebound energy of the coarse particle has a negative effect on the kinetic energy. Therefore, the rebound energy ... If the rebound energy of a coarse particle exceeds the kinetic energy of well adhered particles, then the average-diameter particles can also be delaminated by coarse particle. The diameter of ... radially-propagated cracks were observed. On the other hand, in the case of the N 2 gas used specimen, brittle fracture at the corner of the die was generated. The He gas used specimens, which has higher...
Ngày tải lên: 21/06/2014, 02:20
Advanced Gas Turbine Technology GT26 Presentation at the Jornada Tecnológica in Madrid potx
Ngày tải lên: 27/06/2014, 14:20
