multivariate production systems optimization - Stanford University
multivariate production systems optimization - Stanford University
multivariate production systems optimization - Stanford University
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The rule-set to evaluate V B is<br />
NREB ≤ 3000 VB = 0.546 + 8.74x10 -6 NREL g D (3.88)<br />
3000 < NREB < 8000<br />
ξ = 0.251 + 8.7x10 -6 NREL<br />
VB = 1 2 ξ + ξ2 +<br />
36<br />
13.59 μL<br />
ρL D<br />
g D<br />
(3.89)<br />
8000 ≤ NREB VB = 0.35 + 8.74x10 -6 NREL g D (3.90)<br />
The variable δ in the two-phase density expression is given by<br />
WOR V M<br />
> 3 < 10 0.013 log μL<br />
D 1.38<br />
> 3 > 10 0.045 log μL<br />
D 0.799<br />
< 3 < 10 0.0127 log μL + 1<br />
D 1.415<br />
< 3 > 10 0.0274 log μL + 1<br />
D1.371 -log VM 0.01 log μL + 1<br />
D1.571 where the value of δ is constrained by<br />
δ<br />
- 0.681 + 0.232 log VM - 0.428 log D<br />
- 0.709 - 0.162 log VM - 0.888 log D<br />
- 0.284 + 0.167 log VM - 0.113 log D<br />
+ 0.161 + 0.569 log D<br />
+ 0.397 + 0.63 log D<br />
(3.91)<br />
(3.92)<br />
(3.93)<br />
(3.94)