819718ae-1790-4f5e-94ba-fa488958485c 2 4 5 decimal

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Assign Colebrook solver  algo style, it is dead until called. f R D ε Find 1 f sqrt / 2.0 ε 3.71 D * / 2.51 R f sqrt * / + log10 * - ≡ f 01 solve :

Design Engineer Pipe Data

Define what is what being calculated Q MassFlow rate T/hr ≡ mWC 1 : meter WC ≡ LkWhr 1 : Linear PumpPower kW/hr ≡ h 0.000102 ≡ Pa to mWC ≡ Pa 1 : Pa-> Pascal ≡ ms 1 : m/s ≡ 61 line

This project is typical of analysing pipe run 100 m long. User will set pipe data in the main program "PipeData" [H, μ, ρ, D, ε, L], wrt tabulated 'Q'

PipeData H 10 : Pump Head m @ nominal design ≡ μ 1 : Viscosity Centipose [cp] ≡ ρ 1000 : kg/m^3 ≡ D 0.14633 : Pipe ID [m] ≡ ε 0.00005 : 0.00003<ε>0.0001 ≡ L 100 : rectilinear losses L[m] ≡ Q 2012030 range : i 1 Q rows range V i el 0.3537 Q i el * ρ D 2^* / : R i el 0.3537 Q i el D μ * ρ * / * 106^* : f i el f R i el D ε Find : Δp i el f i el D / ρ V i el (2^* 2 / (* L * 0.000102 * : LinkWhr i el Q i el Δp i el * 3671 * / : 51 line for Header Q:T/hr V:m/s Δp:mWC Linear:kW/hr Σkw/hr 15 mat : Header Q V Δp LinkWhr LinkWhr H * augment stack 101 line :

Recommanded speed: Water: 0.1 .. 2.5 [m/s] Superheated steam: 35 ... 100 [m/s]

Pumping kW/hr PkWhr Q Δp * H * 367 r * / ≡

3600 9.8067 / 367 ≡

Pipe run data [100 m] for piping design PipeData Q:T/hr V:m/s Δp:mWC Linear:kW/hr Σkw/hr 20 0.33 0.084 0.005 0.046 30 0.496 0.177 0.014 0.145 40 0.661 0.301 0.033 0.328 50 0.826 0.455 0.062 0.619 60 0.991 0.639 0.104 1.045 70 1.156 0.853 0.163 1.627 80 1.321 1.097 0.239 2.392 90 1.487 1.371 0.336 3.362 100 1.652 1.674 0.456 4.562 110 1.817 2.007 0.602 6.016 120 1.982 2.369 0.775 7.747 125 mat

ΣkW/hr: Consider the efficiency factor 'r' 0.6 < r < 1 here: r=1 ...Q*Δp/367*r ----------------------- Turn down ratio 6/1 is rarely encountered in Process Plant [orifice plate, valve, sedimant'n]. The turn down ratio for orifice plate metering conformity ISO-5167[0.06%] is 3/1 .. 5/1 for reading.