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Appendices(Flowmeters and Pressure Drop In a Flow System)

Appendices(Flowmeters and Pressure Drop In a Flow System) -...

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APPENDIX A) SAMPLE CALCULATIONS PROCEDURES For the calculation of experimental friction factor(Inserted into the FORTRAN code) 2 exp 2 v L D P f w × × × × = ρ (Experimental friction factor) w A m v ρ × = ƒƒƒ For the calculation of orifice coefficient(Inserted into the FORTRAN code) ρ β ) ( 2 ) 1 ( 2 1 2 1 4 0 0 P P C U - × × - = s cm V 3 49 . 272 = cm D o 905 . 1 = 2 0 848785 . 2 cm A = 0 A V U o = ρ β ) ( 2 1 ) 1 ( 2 1 2 1 4 0 0 P P U C - × × - × = For the maximum velocity in the pipe(Inserted into the FORTRAN code) 5 . 0 max ) 2 ( ρ P C U × = (Maximum Velocity) 98 . 0 = C (Given as the data) p A V v = (Average velocity) μ ρ × × = v D Re (Reynold’s Number)
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Reynold’s Number Calculated Friction Factor(Inserted into the FORTRAN code) - × - = A D f log Re 0452 . 5 7065 . 3 / log 4 1 ε 898 . 0 1098 . 1 Re 149 . 7 5497 . 2 / + = D A ε 13 . 0 = D ε B) FORTRAN Code REAL DELTAPFIRST(7), DELTAPSECOND(7), DELTAPTHIRD(7), *DELTAPFOURTH(7), FEXPFIRST(7), FEXPSECOND(7), FEXPTHIRD(7), *FEXPFOURTH(7),FIRST(7), SECOND(7), THIRD(7), FOURTH(7), V(7), M(7)
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