Mean-line design of a Multistage Compressor in Turbomachinery
Summary
The aim of this work is to develop a mean-line design of a multistage compressor in Turbomachinery operating at sea-level.
Conditions Requirement
1. Assumption
3. At the Exit
2. At the Inlet
4. Preliminary Estimation
5. Velocities triangles for each stage
Figure 4: Velocity triangle for stage 2
Figure 3: Velocity triangle for stage 1
Figure 6: Velocity triangle for stage 4
Figure 5: Velocity triangle for stage 3
Figure 8: Velocity triangle for stage 6
Figure 7: Velocity triangle for stage 5
Figure 9: Velocity triangle for stage 7, stage 8 & stage 9
6. Performance of each stage
7. Calculation for pitch, chord, number of blade and gap
8. Comparision between design with constraints
The table below demonstrated how the mean-line design compressor meet the requirements for each stages:
Figure 12: The Final Meridional View of the design compressor
Figure 11: The sketching of Meridional View of the meanline design using SolidWorks
Table 7:Calculation for the constraint of the compressor
Figure 1: The Example of Mean-line design of a Compressor
Figure 2: A Compressor
Table 1: The assumption of temperature rise, work done factor and blockage factor for each stage
Table 2: Result table for stagnation pressure & temperature, static temperature and Mach number
Table 3: The result table for density and the area of eacg stage in the compressor
Table 4: The result table for the calculation of blade height, tip radius & hub radius for compressor
Figure 10: Graph of Tip and Hub Radius against Blade Row
Table 5: The result table for the mean heights, chord length, the pitch and the number of blades for rotor and stator for each stage
Table 6: Result table for the Gap2 & Gap3
October, 2015- December, 2015