Ejector Design Calculation Xls -
A professional engineering calculation sheet must be transparent, auditable, and structured logically. Organize your into four core tabs or visual blocks. Block 1: Input Parameters (User Inputs)
While empirical, this is highly reliable for preliminary sizing and is easily embedded in XLS. ejector design calculation xls
vm=2⋅ηn⋅(γγ−1)⋅R⋅Tm⋅[1−(PsPm)γ−1γ]v sub m equals the square root of 2 center dot eta sub n center dot open paren the fraction with numerator gamma and denominator gamma minus 1 end-fraction close paren center dot cap R center dot cap T sub m center dot open bracket 1 minus open paren the fraction with numerator cap P sub s and denominator cap P sub m end-fraction close paren raised to the the fraction with numerator gamma minus 1 and denominator gamma end-fraction power close bracket end-root ηneta sub n = Nozzle efficiency coefficient (typically = Heat capacity ratio ( ejector design calculation xls
Instead of manual iterations, set up a check cell: ejector design calculation xls
mm=At⋅Pm⋅k⋅MR⋅Tm(2k+1)k+1k−1m sub m equals cap A sub t center dot cap P sub m center dot the square root of the fraction with numerator k center dot cap M and denominator cap R center dot cap T sub m end-fraction open paren the fraction with numerator 2 and denominator k plus 1 end-fraction close paren raised to the the fraction with numerator k plus 1 and denominator k minus 1 end-fraction power end-root Atcap A sub t = Nozzle throat area ( m2m squared Pmcap P sub m = Motive steam pressure (
Determines diffuser throat diameter and final exit cone dimensions.
