Contents: I: Heat Transfer: 1. Thickness of a cylindrical pipe insulation. 2. Unsteady state conduction in semi infinite slab. 3. Counter current heat exchanger. 4. Unsteady state conduction in a slab. 5. Flare slack height estimation. 6. Heat equation – stability analysis using explicit and implicit Euler method. II. Fluid Flow: 7. Multistage compressor. 8. Flare sizing. 9. Pressure drop in pipelines. 10. Flow in tube – PDE solver in MATLAB. 11. Gravity flow tank. III. Thermodynamics: 12. Molar volume estimation using equation of state methods. 13. Bubble and dew point estimation for multi component system. 14. VLE Calculation for multi-component system. 15. CO2 Vapor pressure regression. 16. Regress feature – CO2 emissions. IV. Mass Transfer: 17. Dynamics of binary distillation column. V. Chemical Reaction Engineering: 18. Plug flow reactor. 19. Batch reactor with series reaction. 20. Non-isothermal plug flow reactor. 21. Non-isothermal CSTR. 22. Fluidized bed reactor. VI. Equipment Design: 23. Three phase separator. 24. Control valve sizing. 25. Single effect evaporator. 26. Column design using FUG method. 27. Shell and tube heat exchanger design using kern method. 28. Centrifuge design. VII. Process Control: 29. Basics of process control. 30. Simulation of temperature control of water tank .31. PID control of three CSTR’s in series. 32. Dynamics of second order systems. VIII. Process Simulation: 33. Ammonia plant model with recycle loop. 34. Condensate stabilizer plant. 35. Refrigeration loop. 36. Predictive control of a wastewater treatment process. 37. Boiler efficiency theory. Modeling and Computational simulation applied to engineering is a field that brings together the power of computers, physical sciences and engineering practices. To solve different problems in engineering using computer simulation, it is necessary to model them, which represents a real-world phenomenon as a set of mathematical equations. This book deals with models involving simple Algebraic equation(s), Single & multiple nonlinear equation(s), Single & Multiple Ordinary Differential Equations and Partial Differential Equations of parabolic type, is intended for UG/PG students, Researchers and faculty. The collection of numerous problems from various sources aimed to apply different numerical methods in the subject areas such as Heat transfer, Fluid flow, Thermodynamics, Mass transfer, Reaction engineering, equipment design and process simulation. This book gives hands-on exposure on procedures and solutions using various computational tools such as MS-Excel®, MATLAB®, CHEMCAD® and COMSOL® dealing with chemical and pharmaceutical applications.