Implemented via iterative Goal Seek or explicit solve.
Drop-down menus for fluid selection (Steam, Air, Water, Custom Gas). Tab 3: Core Calculations (The Engine) ejector design calculation xls
The XLS file accompanying this paper includes full formulas, validation cases, and charting macros. Implemented via iterative Goal Seek or explicit solve
Create a table of Expansion Ratio vs. Compression Ratio for various flow ratios ($R = M_s / M_m$). causing the ejector to fail.
If this condition is not met, the fluid will not achieve supersonic velocity, causing the ejector to fail.