Ejector Design Calculation Xls Fixed Free -
Introduction
Unlike variable-orifice ejectors that use a moving needle to adjust flow, a fixed-geometry ejector has a set nozzle diameter and throat area. ejector design calculation xls fixed
- produce a sample Excel layout (sheet names, key formulas, and cell references), or
- generate a downloadable .xlsx template with the core calculation and charts populated with example values. Which do you prefer?
- Theoretical Basis: Conservation of Momentum and Mass.
- Equation: $$ m_m v_m + m_s v_s = (m_m + m_s) v_mix $$ Where $m$ is mass flow and $v$ is velocity. Friction losses are typically accounted for via a mixing efficiency factor ($\eta_mix$).
Whether you are designing a steam ejector for a vacuum drier, a gas ejector for a flare gas recovery system, or a liquid ejector for a chemical reactor, demand a fixed spreadsheet. Look for no iterative loops, no hidden macros, and a validation sheet. In the words of senior process engineers: "A fixed ejector XLS is worth a thousand simulations." produce a sample Excel layout (sheet names, key
Ignoring Non-Condensables: If your suction fluid contains air or CO2, the molecular weight changes, which drastically alters the entrainment ratio. Theoretical Basis: Conservation of Momentum and Mass
Built-in Steam Tables: No need to look up enthalpies manually.





