An provides engineers with a fast, transparent, and iterative method for sizing ejectors without resorting to expensive commercial software—especially useful for preliminary design, educational purposes, or field troubleshooting.
) used to calculate mass flow rates of motive steam versus entrained vapor, along with area ratios for the nozzle throat and outlet. Key Design Parameters ejector design calculation xls
| Row | Column A (Label) | Column B (Value) | Column C (Units) | | :--- | :--- | :--- | :--- | | | SUCTION CONDITIONS | | | | 2 | Suction Pressure ($P_s$) | [Input Value] | bar(a) | | 3 | Suction Temperature ($T_s$) | [Input Value] | °C | | 4 | Suction Mass Flow ($M_s$) | [Input Value] | kg/hr | | 5 | Molecular Weight (MW) | [Input Value] | kg/kmol | | 6 | MOTIVE STEAM CONDITIONS | | | | 7 | Motive Pressure ($P_m$) | [Input Value] | bar(a) | | 8 | Motive Temperature ($T_m$) | [Input Value] | °C | | 9 | DISCHARGE CONDITIONS | | | | 10 | Discharge Pressure ($P_d$) | [Input Value] | bar(a) | An provides engineers with a fast, transparent, and
To create a robust , your content should focus on a one-dimensional (1D) analytical model that captures the thermodynamic behavior of fluid mixing. While full empirical performance often requires proprietary manufacturer data, you can build a highly accurate screening tool by following these structural and technical components. 1. Primary Inputs (User Entry Data) For example, are common in steam applications
These are typically derived from curve-fitting manufacturer data. For example, are common in steam applications. Coefficient of Determination ( cap R squared Well-tuned spreadsheets should aim for an to ensure accuracy. 2.2 Nozzle and Mixing Chamber Geometry Nozzle Throat Diameter ( cap D sub t h end-sub