perry s chemical engineers phần 1 pps

... fraction of phase i Dimensionless Dimensionless Re Reynolds number Dimensionless Dimensionless s Density ratio Dimensionless Dimensionless U .S. customary Symbol Definition SI units units s Entropy ... mass J/(kg ⋅ K) Btu/(lbm ⋅ R) S Slope Dimensionless Dimensionless S Pumping speed m 3 /s ft 3 /s S Surface area per unit volume l/m l/ft St Strouhal number Dimensionless Dimensionl...

Ngày tải lên: 06/08/2014, 13:22

... 64.44 16 0 14 .9990 11 2.200 1. 055 7.56 11 8.7869 65.7 31 1.305 33.89 61 10.8 715 81. 325 1. 555 51. 75 11 1 12 .95 61 96. 918 1. 805 64.67 16 1 15 .0407 11 2. 512 1. 060 8. 21 12 8.8286 66.042 1. 310 34. 31 62 10 . 913 2 ... 15 .3326 11 4.696 1. 095 12 .58 19 9 .12 04 68.226 1. 345 37 .19 69 11 .20 51 83.820 1. 595 54.09 11 9 13 .2897 99. 414 1. 845 66. 41 1...

Ngày tải lên: 16/02/2014, 19:20

... Cond., 24 (1) , 16 5 17 6 (19 52). †Tuve, Heat, Piping Air Cond., 25 (1) , 18 1 19 1 (19 53). ‡Albertson, Dai, Jensen, and Rouse, Trans. Am. Soc. Civ. Eng., 11 5, 639–664 (19 50), and Discussion, ibid., 11 5, 665–697 ... number. = ΂ 1 + M 1 2 ΃ 1. 4/ (1. 4 − 1) M 1 = 0.773 1. 4 − 1 ᎏ 2 1. 5 × 10 5 ᎏᎏ 1. 01 × 10 5 2 ᎏ 1. 4 + 1 T* ᎏ T 0 1. 4 × 29 ᎏᎏ 8 314 × 293 2 ᎏ...

Ngày tải lên: 06/08/2014, 13:22

... Mixtures in Pipes, Van Nostrand Reinhold, New York, 19 72.) Apr. 26, 19 76; 14 4 15 0, May 24, 19 76; 14 1 14 8, July 19 , 19 76; 89–94, Aug. 2, 19 76; 10 1 10 8, Aug. 30, 19 76; 10 9 11 2, Sept. 27, 19 76; 11 9 12 6, ... V o /V i = 1. 96, the hole velocity is 1. 96 × 2 .10 = 4 .12 m /s and the pressure drop across the holes is obtained from Eq. (6 -14 9). ∆p o ==× =22 ,10 0 P...

Ngày tải lên: 06/08/2014, 13:22

... similar restric- tions, vortices may periodically be shed downstream. Objects such as smokestacks, chemical- processing columns, suspended pipelines, and electrical transmission lines can be subjected ... specific structures: steel stacks (Osker and Smith, Trans. ASME, 78, 13 81 13 91 [19 56]; Smith and McCarthy, Mech. Eng., 87, 38– 41 [19 65]); chemical- processing columns (Freese, J. E...

Ngày tải lên: 06/08/2014, 13:22

... Inc., 19 93). DIMENSIONLESS GROUPS For purposes of data correlation, model studies, and scale-up, it is useful to arrange variables into dimensionless groups. Table 6-7 lists many of the dimensionless ... provides substantial improve- ment in predictions of flows with stagnation, separation, normal straining, transient behavior such as vortex shedding, and relaminar- ization. Stress transpor...

Ngày tải lên: 06/08/2014, 13:22

... of voids Dimensionless Dimensionless in a packed bed Φ Factor governing use of Eqs. Dimensionless Dimensionless (15 -14 8) and (15 -14 9) χ Parameter in Eq. (15 - 41) Dimensionless Dimensionless indicating ... Dimensionless Dimensionless experiment [Eq. (15 -17 5)] ξ continuous Efficiency of a continuous Dimensionless Dimensionless process [Eq. (15 -17 6)] ξ m Murphree stage efficiency Dimen...

Ngày tải lên: 16/02/2014, 19:20

... fraction of phase i Dimensionless Dimensionless Re Reynolds number Dimensionless Dimensionless s Density ratio Dimensionless Dimensionless U .S. customary Symbol Definition SI units units s Entropy ... mass J/(kg ⋅ K) Btu/(lbm ⋅ R) S Slope Dimensionless Dimensionless S Pumping speed m 3 /s ft 3 /s S Surface area per unit volume l/m l/ft St Strouhal number Dimensionless Dimensionl...

Ngày tải lên: 27/06/2014, 14:20