Calculate Mach numbers at the nozzle exit, mixing tube, and diffuser. Compute the physical diameters ( ) for the throat, mixing section, and discharge. Tab 4: Performance Curve Generator
| Check | Formula | OK if | | :--- | :--- | :--- | | P_s < P_d | =IF(P_s >= P_d, "ERROR: Suction > Discharge", "OK") | "OK" | | P_m > P_s × 1.5 | =IF(P_m <= P_s*1.5, "Low Motive Pressure", "OK") | "OK" | | Compression Ratio < 15 | =IF(P_d/P_s > 15, "Needs 2 stages", "OK") | "OK" | ejector design calculation xls fixed
) is calculated using the critical flow equation for compressible fluids: Calculate Mach numbers at the nozzle exit, mixing
