Modeling Tools for Environmental Engineers and Scientists Episode 7 pptx

... several textbooks that detail the mechanisms and processes in nat- ural environmental systems and their modeling and analysis: Thomann and Mueller, 19 87; Nemerow, 1991; James, 1993; Schnoor, 1996; ... of Natural Environmental Systems CHAPTER PREVIEW This chapter outlines fluid flow and material balance equations for modeling the fate and transport of contaminants in uns...

Ngày tải lên: 13/08/2014, 05:22

... 09 11/9/01 9: 37 AM 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 ... MATLAB ® . Chapter 09 11/9/01 9: 37 AM Page 2 57 © 2002 by CRC Press LLC in the sediments, v b is the burial rate constant, and m 1 and m 2 are the solids conce...

Ngày tải lên: 13/08/2014, 05:22

... Pollutant Transport, Prentice Hall, New Jersey. Clark, M. M. (1996) Transport Modeling for Environmental Engineers and Scientists, John Wiley & Sons, New York. Cutlip, M. B., Hwalek, J. J., ... 1988. Gottfried, B. S. (2000) Spreadsheet Tools for Engineers, McGraw-Hill Co., New York. Hardisty, J., Taylor, D. M., and Metcalfe, S. E. (1993) Computerised Environmental Mo...

Ngày tải lên: 13/08/2014, 05:22

... regulators 7 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 ... 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 revie...

Ngày tải lên: 13/08/2014, 05:22

... 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 ... mathematical formu- lations were presented in this chapter. These formulations are integral com- ponents of mathematical models, and a clear understanding of these formulations and the...

Ngày tải lên: 13/08/2014, 05:22

... molar and mass concentration form, (2) 1 ppm (mass ratio) of the chemical in water in mass and molar concentration form, and (3) 1 ppm (mass ratio) of the chemical in soil in mass ratio form. Solution (1) ... Different Forms of Quantifying Phase Contents and the Resulting Forms of Henry’s Constant Multiplication Factors for Converting to Other Forms Gas Phase Aqueous Phase Content C...

Ngày tải lên: 13/08/2014, 05:22

... – 0.3 = 1 .7, and k 2 = 0.2 * 5 – 0.3 = 0 .7, ᎏ C C 2, i o n ut ᎏ = ΂ ᎏ 1+(1 1 .7) (10) ᎏ ΃΂ ᎏ 1+(0 1 .7) (5) ᎏ ΃ = 0.0123 and, hence, the percent reduction that can be achieved is 98 .77 %, which ... 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 5...

Ngày tải lên: 13/08/2014, 05:22

... 9-1; Ex 9-3; Ex 9-5 ithink ® § 7. 5 .7; Ex 8-4 Ex 8-1; Ex 8-2; Ex 8 -7 Ex 8-12 Ex 8-8; Ex 8-10; Ex 9-2; Ex 9-3; Ex 9 -7 Simulink ® § 7. 5.8; Ex 8-4 Ex 8 -7 Chapter 07 11/9/01 9:33 AM Page 194 © 2002 ... window, which reformats the line form of the equation entered into the Rule sheet, into a standard mathematical form for checking complex equations or for presentation purposes. Cha...

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