Venturi Scrubber Design Calculation Xls Upd __top__ [ Exclusive ◆ ]

4. Architecture of an Updated Excel Spreadsheet ( .xls / .xlsx )

At=QgVtcap A sub t equals the fraction with numerator cap Q sub g and denominator cap V sub t end-fraction For a cylindrical throat profile, the diameter ( Dtcap D sub t ) is calculated as:

A rigorous design process follows a logical sequence. The following flow chart summarises the workflow, and each step below provides Excel implementation notes.

For decades, engineers have relied on manual calculations, nomographs, and basic spreadsheets. But with tighter environmental regulations (e.g., EPA MACT standards, EU BREF documents) and the need for energy optimization, the demand for an has skyrocketed. This article provides a deep dive into the core calculations, the latest updates in modeling approaches, and how to leverage modern spreadsheets to design high-performance systems. venturi scrubber design calculation xls upd

dl=(0.000585vr)σρl+0.0597(μlσρl)0.45(QlQg)1.5d sub l equals open paren the fraction with numerator 0.000585 and denominator v sub r end-fraction close paren the square root of the fraction with numerator sigma and denominator rho sub l end-fraction end-root plus 0.0597 open paren the fraction with numerator mu sub l and denominator the square root of sigma rho sub l end-root end-fraction close paren to the 0.45 power open paren the fraction with numerator cap Q sub l and denominator cap Q sub g end-fraction close paren to the 1.5 power is relative velocity (often assumed ≈vtis approximately equal to v sub t is surface tension, and ρlrho sub l is liquid density. Efficiency depends on the Inertial Impaction Parameter ( ) :

(The factor dp_um appears as‑is because the original equation uses dp in .)

Step 4: Droplet Size Estimation (Nukiyama-Tanasawa Equation) The mean diameter of the atomized droplets ( For decades, engineers have relied on manual calculations,

Pressure drop is the single most critical factor determining operating cost. Your XLS template should use the updated for wet-approach Venturi designs:

If η < η_req , increase vt (or adjust L/G) and repeat steps 3‑6. You can implement this iteration manually or with Excel’s Goal Seek / Solver.

The droplet diameter is influenced by the liquid's surface tension (σ), its density (ρl), and, most importantly, the relative velocity between the gas and the liquid (vr). A higher gas velocity creates finer droplets and improves collection efficiency. 000 cubic feet of gas.

The size of the liquid droplets is critical, as smaller droplets capture particles more effectively. The is a widely used empirical formula for estimating the Sauter mean diameter (dl) of the droplets.

: Most venturi systems operate between 7 to 20 gallons per 1,000 cubic feet of gas.

eta = 1 - EXP( -k * R * SQRT(psi) )