Gas Turbines: Technology, Efficiency and Performance by Donna J. Ciafone

By Donna J. Ciafone

This e-book offers present examine within the examine of gasoline generators from around the globe. issues mentioned contain techno-economic reviews of gasoline turbine repowering platforms; in-service degradation of fuel turbine nozzles and relocating blades; the corrosion features of titanium dependent alloys and their degradation mechanisms optimisation of a regenerative gasoline turbine energy plant and a dialogue of the fluid/solid coupled warmth move difficulties in fuel turbine purposes.

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Extra resources for Gas Turbines: Technology, Efficiency and Performance (Engineering Tools, Techniques and Tables)

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5 – 3 μm thickness. Figure 19. Grain size and carbide particles precipitated in the matrix and grain boundaries of the blade airfoil zone 5 - from Figures 12 and 14. In Figure 20 the detail of continuous film of carbides in grain boundaries is shown. As a result of transformation of carbides MC type to M23C6 + γ´ type during operation in high temperature, the volume fraction of carbides MC type in grain boundaries was 5% and carbides M23C6 type was 95%, respectively. These values are very different compared to those obtained in the blade root.

It can be concluded, therefore, that the STPS is difficult to be realized from an economical point of view. Hence, the estimated saved energy and CO2 reduction effects are considered to be not realized in reality. As mentioned above, the main reason for the bad economics is the expensive nature of steam cost, that represents the equipment cost of the WHB to produce the steam by using the waste heat from the RIP. Table 9. 3. Determination of the Best Operating Condition Figure 11 shows the estimated economic indices of the UCP and the depreciation year of the capital of the S-C.

1987). This leads to the alloy creep properties reduction (Sabol and Stickler, 1969). In order to have an instrument for the gas turbine nozzles/blades alloy quantitative deterioration evaluation, it is necessary to correlate the influence of service induced microstructural degradation to the changes in its mechanical properties. , 1998). The application of effective methods of material deterioration evaluation can be used for practical lifetime prediction, just in-time blades rehabilitation (rejuvenation), safe and cost-effective lifetime extension and to avoid a nozzle/blade catastrophic failure.

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