Modeling Tools for Environmental Engineers and Scientists Episode 6 ppt

... HRT for Overall One Two Three One Efficiency CMFR CMFRs CMFRs PFR 75% 30.0 20.0 17 .6 13.9 80% 40.0 24.7 21.3 16. 1 85% 56. 7 31 .6 26. 5 19.0 90% 90.0 43.2 34 .6 23.0 95% 190.0 69 .4 51.4 30.0 5.4 MODELING ... (1980), Levenspiel (1972), and Weber and DiGiano (19 96) . 5.2 CLASSIFICATIONS OF REACTORS Reactors can be classified into several different types for the purposes of ana...

Ngày tải lên: 13/08/2014, 05:22

... (C 6 ) in a segment of volume V: V ᎏ d d C t 6 ᎏ = J(C 6 ) – VK 6, 7 C 6 – Va 1 ,6 D P C 1 – Va 2 ,6 D z C 2 – v n6 AC 6 ϩ W 6 (6. 52) • MB equation for orthophosphate phosphorous (C 7 ) in a segment ... environmental systems and their modeling and analysis: Thomann and Mueller, 1987; Nemerow, 1991; James, 1993; Schnoor, 19 96; Clark, 19 96; Thibodeaux, 19 96; Chap...

Ngày tải lên: 13/08/2014, 05:22

... Page 279 © 2002 by CRC Press LLC two- and three-dimensional graphs and animations to visualize the results for better understanding. For example, Plot3D routine and the ContourGraphics routine are ... V 1 and V 2 are the volumes of water column and sedi- ment, W c and W s are the input rates of cesium and solids, Q is the outflow rate of water, k is the first-order decay rat...

Ngày tải lên: 13/08/2014, 05:22

... and Pollutant Transport, Prentice Hall, New Jersey. Clark, M. M. (19 96) Transport Modeling for Environmental Engineers and Scientists, John Wiley & Sons, New York. Cutlip, M. B., Hwalek, J. ... Hall, New Jersey. Ford, A. (1999) Modeling the Environment, Island Press, Washington, D.C. Gifford, F. A. Turbulent diffusion typing schemes: A review, Nucl. Safety, 17, 68 – 86,...

Ngày tải lên: 13/08/2014, 05:22

... Software for Read and Read and Read and Read and Read and Read and Read and developing review review review review review review review mathematical models 8 Modeling of Read and Read and Read and ... and Read and Read and Read and Review of mathematical review review review review modeling 3 Primer on Read and Read and Review Review mathematics review re...

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... the modeling effort. Modeling projects may be launched for various reasons, such as those pointed out in Chapter 1. The scope of the modeling effort will be dictated by the objective(s) and the expectation(s). ... conditions, and initial values and then plotting the model outputs as a function of space or time for visual interpre- tation and comparison with intuition, expect...

Ngày tải lên: 13/08/2014, 05:22

... foundation. The advantage of reducing the formulations to standard mathematical forms has been pointed out before. For modeling purposes, a wide variety of environmental systems can be categorized ... by matrix b with b’s. Then, by entering the command x = b/a, MATLAB ® returns the solution for x with x1 = – 16. 3810; x2 = 5. 166 7; and x3 = 22. 761 9. 3.3.1.4 Single, Nonlinear Equa...

Ngày tải lên: 13/08/2014, 05:22

... ᎏ ft 2 m – g day ᎏ ΃΂ 1.34 × ΄ ᎏ 10 6 g mg ᎏ ΅ × ΄ ᎏ 1 1 0 9 k µ g g ᎏ ΅΃ = 0. 268 × 10 –3 = 0. 268 × 10 –3 ᎏ ft 2 m – g day ᎏ = 0. 268 ᎏ ft 2 µ – g day ᎏ 4 .6. 3 VOLATILIZATION AND ABSORPTION Volatilization and absorption ... Different Forms of Quantifying Phase Contents and the Resulting Forms of Henry’s Constant Multiplication Factors for Converting to Other Forms Gas Phase A...

Ngày tải lên: 13/08/2014, 05:22

... in line In [6] in the standard form using the basic input palette is echoed in line Out [6] in the standard form. The two-dimensional expression entered in line In[11] is evaluated and returned ... substitution beforehand. PDEs can be handled efficiently by Mathematica ® and MATLAB ® but with fairly bulky models in the others. Examples of the use of spread- sheets for solving single, co...

Ngày tải lên: 13/08/2014, 05:22

... RK4-se, and the custom procedure, “Equation.” By opening the procedure sheet for “Equation,” the governing ODE for this problem is entered in the bottom section, and the parameters and the input and ... result to zero, and solve for x, to give the answer for x to check for the location of the stagnation point. In line In[1] in Figure 8.39, the general expression for φ is...

Ngày tải lên: 13/08/2014, 05:22