Keywords: cavitation; rotordynamic; centrifugal pump; turbomachinery 1. Introduction Propellant feed turbopumps are a crucial component of all liquid propellant rocket engines due to the severe limitations associated with the design of dynamically stable, high power density machines capable of meeting the...
Schematic diagram of pump station layout [39]. Since measured CPCs with ns = 18.7 were lacking, to quantitatively evaluate and verify the reliability of the CPCs prediction method proposed in this paper, numerical simulations of the hydraulic transient process are carried out under the same accide...
Relying on a closed test rig of a high-power intercooling centrifugal compressor for compressed air energy storage (CAES), this study measured the static pressure and static temperature at different radii on the static wall of the impeller backside cavity (IBC) under variable rotating speeds. Simu...
Figure 1. Schematic diagram of the radial inlet chamber and the compressor stage. Table 1. Major geometric parameters of the radial inlet chamber and the compressor stage. 2.2. Numerical Method 2.2.1. CFD CodeThe governing equations used to model the internal flow of the radial inlet chamber...
Figure 2.Schematic of computational domain. Table 1.Performance parameters. The computational fluid domain is segregated into four primary regions: inlet, impeller, volute, and outlet. Meshing is executed using fluent meshing within the ANSYS workbench environment. The mesh type employed is polyhedral,...