Elementary Principles 56

# Elementary Principles 56 - 4.26 (cont'd) 8 unknowns ( n1 ,...

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4- 15 4.26 (cont’d) 8 unknowns ( ± , ± , ± , ± , ± ,,, nnvmmx yy 131 2 4413 ) – 3 material balances – 2 analyzer readings – 1 meter reading – 1 gas density formula – 1 specific gravity 0 DF b. Orifice meter calibration : A log plot of vs. is a line through the points and ± , ± , ± . Vh h V h V 11 2 2 100 142 400 290 == = = di d i ln ± ln ln ± ln ±± ln ln ln . ln ln ± ln ln . ln . . ± . . Vbh a Va h b VV hh aV b h a e V h b =+ = = =− = = = 21 258 0.515 290 142 400 100 0515 142 0515 100 132 d h bg Analyzer calibration : ln ln yb R a ya e bR = b yy RR ay b R a ye R = = = = = E U V | | | W | | | ⇒= × ln ln . . . ln ln ln . . . . . 4 4 0.0600 01107 0 00166 90 20 0 0600 0 00166 0 0600 20 7 60 500 10 b g b g c. hV 0.515 210 132 210 207 3 =⇒
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## This note was uploaded on 02/27/2012 for the course CHEMICAL E 312 taught by Professor Cheung during the Fall '11 term at The University of Akron.

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