Ejector Design Calculation Xls | Instant ✮ |

| Parameter | Unit | Example Value | |-----------|------|----------------| | Motive fluid type | - | Steam/Water/Air | | Motive pressure (P_m) | bar(a) | 6.0 | | Motive temperature (T_m) | °C | 160 | | Suction pressure (P_s) | bar(a) | 0.2 | | Discharge pressure (P_d) | bar(a) | 0.5 | | Motive mass flow (ṁ_m) | kg/h | 500 | | Suction mass flow (ṁ_s) | kg/h | 250 | | Ejector type | - | Steam jet / Liquid jet |

❌ Assumes ideal gas or constant density – not for two-phase flow. ❌ Empirical area ratio tables may not cover all ranges. ❌ No geometric optimization (e.g., nozzle spacing, diffuser angle). ❌ Does not predict off-design performance well. ejector design calculation xls

Embed a simplified, formulation-based IAPWS-IF97 steam table macro or lookup matrix. | Parameter | Unit | Example Value |

When using an Excel sheet to design an ejector, follow this sequential engineering workflow: ❌ Does not predict off-design performance well

: Transvac Engineers offers online software for preliminary ejector screening that mimics these XLS calculations.

) : Function of the motive mass flow rate, pressure, and molecular weight. Mixing Section Area ( A3cap A sub 3