Figures (16)  Tables (1)
    • Figure 1. 

      Geometric model of the cryogenic pump.

    • Figure 2. 

      Mesh of the cryogenic pump.

    • Figure 3. 

      The relationship between saturated vapor pressure and temperature.

    • Figure 4. 

      Variation of head with the NPSH at different wall temperatures.

    • Figure 5. 

      Variation of efficiency with the NPSH at different inner wall temperatures.

    • Figure 6. 

      Distribution of pressure in the impeller.

    • Figure 7. 

      Distribution of vapor volume fraction in the impeller.

    • Figure 8. 

      Distribution of temperature in the impeller.

    • Figure 9. 

      Section Z = -0.0147 m in the volute.

    • Figure 10. 

      Distribution of temperature on the volute section under different inlet pressures with the inner wall temperature of 128 K.

    • Figure 11. 

      Distribution of temperature on the volute section under different inner wall temperatures with the inlet pressure of 0.078 MPa.

    • Figure 12. 

      Enlarged view of high temperature area at the inner wall temperature of 123 K with the inlet pressure of 0.078 MPa.

    • Figure 13. 

      Distribution of pressure at different inner wall temperatures with the inlet pressure of 0.078 MPa.

    • Figure 14. 

      Distribution of vapor volume fraction on the section of the volute at different pressures with the inner volute wall temperature of 128 K.

    • Figure 15. 

      Enlarged view of vapor volume fraction in the volute area at different inlet pressures with the inner volute wall temperature of 128 K.

    • Figure 16. 

      Distribution of vapor volume fraction at different inner volute wall temperatures with the inlet pressure of 0.078 MPa.

    • Pump inlet diameter Di/
      mm
      Pump outlet diameter Do/
      mm
      Impeller diameter
      D2/mm
      Number of blades
      z/pcs
      Blade outlet width
      b2/mm
      Impeller outlet width
      b3/mm
      766513761430

      Table 1. 

      Main structural parameters of the cryogenic pump.