BSc in Mechanical Engineering

Course Information Package

Course Unit TitleMASS AND ENERGY BALANCES
Course Unit CodeASOG300
Course Unit Details
Number of ECTS credits allocated5
Learning Outcomes of the course unitBy the end of the course, the students should be able to:
  1. Know how to perform material balances without reaction
  2. Know how to perform material balances with reaction
  3. Know how to perform material balances for multi-systems
  4. Understand the ideal and real gas law and perform calculations
  5. Understand the principles of Enthalpy of reactions and its application to common problems
  6. Know how to perform Energy balances with or without reaction for common applications such as combustion of Natural Gas and other fuels
  7. Know the principles of humidity charts and how they can be used for useful calculations
Mode of DeliveryFace-to-face
PrerequisitesNONECo-requisitesNONE
Recommended optional program components - Reklaitis G.V., “Introduction to Material & Energy Balances”, J.Wiley (1983)
 - Henley E.B. and Rosen E.M. “Material and Energy Balance Computations”, J. Wiley (1969)
 - Schlesinger M.E., “Mass & Energy Balances in Materials Engineering”, Prentice Hall, NJ., (1996)
Course Contents

A.   Introductory concepts

-       Units, ConversionUnits

-       Pressure, Temperature,Concentration, Flow rate, Feeding basis

B.    Material Balance

-       Introduction to Material Balances

-       General Strategy for SolvingMaterial Balance Problems

-        Material Balances without Reaction

-        Material Balances with Reactions

-      Reaction Stoichiometry

-      Terminologyfor Reaction Systems

-      Species MoleBalances

-      ElementMaterial Balances

-       Material Balances for Combustion Systems

-       Material Balances forMulti-Unit Systems

-      PrimaryConcepts

-      SequentialMulti-Unit Systems

-      RecycleSystems

-      Bypass andPurge

-       The Industrial Application of Material Balances

C.    Gases, Vapors and Liquids

-       Ideal Gases

-      Real Gases:Equations of State

-      Real Gases:Compressibility Charts

-       Real Gas Mixtures

-       Multi-PhaseEquilibrium

-      PhaseDiagrams and the Phase Rule

-      SingleComponent Two-Phase Systems (Vapor Pressure)

-      Two-ComponentGas/Single-Component Liquid Systems

-      Two ComponentGas/Two Component Liquid Systems

-       Multicomponent Vapor-Liquid Equilibrium

D.   Energy Balances without Reaction

-       Terminology Associated with Energy Balances

-       Types of Energy to Be Included in Energy Balances

-       Energy Balances without Reaction

 

E.    Energy Balances with Reaction

-       The Standard Heat (Enthalpy) of Formation

-       The Heat (Enthalpy) of Reaction

-       Integration of Heat of Formation and Sensible Heat

-       The Heat (Enthalpy) of Combustion

F.     Humidity (Psychrometric Charts) and their Use

-       The Humidity (Psychrometric) Chart

-       Applications of the Humidity Chart

 

Recommended and/or required reading:
Textbooks
  • D.M.Himmelblau and J.B. Riggs, “Basic Principles and Calculations in Chemical Engineering” Prentice Hall, 8th Edition
References
  • Felder R.M. and Rausseau R.W., “Elementary Chemical Processes”, J.Wiley (1978)
  • Thompson E.V. and Ceckler W.H., “Intro to Chemical Engineering”, McGraw Hill (1977)
  • Hοugen O.A., Watson K.M. and Ragatz R.A., “Chemical Process Principles, Part I., Material and Energy Balances”, J.Willey (1954)
Planned learning activities and teaching methodsThe taught part of course is delivered to the students by means of lectures and video presentations, conducted with the help of computer. Lecture notes and presentations will be available through the web for students to use in combination with the textbooks.
Lectures will be supplemented by homework assignments and readings. 
Assessment methods and criteria
Assignments10%
Midterm exam30%
Final Exam60%
Language of instructionEnglish
Work placement(s)NO