Unit Operations II

Course Information
TitleΦυσικές Διεργασίες ΙΙ / Unit Operations II
SchoolChemical Engineering
Cycle / Level1st / Undergraduate
Teaching PeriodSpring
Course ID20000842

Programme of Study: PPS Tmīmatos CΗīmikṓn Mīchanikṓn (2021-sīmera)

Registered students: 0
OrientationAttendance TypeSemesterYearECTS
KORMOSCompulsory Course636

Class Information
Academic Year2019 – 2020
Class PeriodSpring
Faculty Instructors
Weekly Hours5
Class ID
Course Type 2011-2015
Specific Foundation / Core
Mode of Delivery
  • Face to face
The course is also offered to exchange programme students.
Language of Instruction
  • Greek (Instruction, Examination)
Learning Outcomes
After the successful completion of the subject, the students have got knowledge regarding: The design of pipe networks for liquid and gas transfer, the type of pumps, compressors, blowers and ventilators, as well as the calculation of energy consumption. The design of mixing processes including the geometrical characteristics and power consumption in stirred tanks. Characterization of solid particles and mechanical – filtration separation processes.
General Competences
  • Apply knowledge in practice
  • Retrieve, analyse and synthesise data and information, with the use of necessary technologies
Course Content (Syllabus)
ΦΔ6Unit Operations II Pumping systems. Calculation of required total pump head. Net positive suction head (NPSH). Piping components (bends, transitions, valves, check valves, fittings). Classification of pumps. Positive displacements pumps, dynamic pumps. Characteristic curves. NPSH-required. Operating point. Similarity relations of centrifugal pumps. Parallel and in series connection of centrifugal pumps. Compression work on a gas. Characteristics of fans, blowers and compressors. Vacuum pumps. Classification of compression equipment and vacuum pumps. Ejectors. Diffusion pumps. Flow of compressed gases in pipes. Mixing processes. Basics in mixing processes. Geometrical characteristics of stirred tanks. Power consumption in stirred tanks. Mixing of miscible low viscosity liquids. Solid-liquid suspensions. Liquid-liquid dispersion. Gas in Liquid dispersion. Fundamentals of particle technology. Characterization of solid particles. Behavior of solid particles. Differential and cumulative particle size distribution. Sampling from heaps and conveyor belts. Sampling from dusty gases. Measurement of particle size distribution. (sieving, gravity sedimentation, centrifugal sedimentation. Coulter counter, light scattering and light absorption methods). Measurement of particle surface area. Mechanical particle separation methods. Solid-solid separation (sieving, elutriation, magnetic and electrostatic separation, flotation, hydrocyclones). Solid-liquid separation (screening, gravitational settling, centrifugal settling, cake filtration, deep bed filtration). Filtration equipment.
Educational Material Types
  • Slide presentations
  • Book
Course Organization
Student Assessment
Mid-term and final written examinations with exercise solving
Student Assessment methods
  • Written Exam with Problem Solving (Formative, Summative)
Course Bibliography (Eudoxus)
Τίτλος: Μηχανικές Φυσικές Διεργασίες Συγγραφέας: Καστρινάκης Ελευθέριος Εκδόσεις Α. ΤΖΙΟΛΑ και ΥΙΟΙ ΑΕ, Φιλίππου 91, 54635 Θεσσαλονίκη, 2004. Τίτλος: Στοιχεία Φυσικών Διεργασιών Συγγραφείς: Ζουμπούλης Α., Καραπάντσιος Θ., Μάτης Κ., Μαύρος Π. Εκδόσεις Α. ΤΖΙΟΛΑ και ΥΙΟΙ ΑΕ, Φιλίππου 91, 54635 Θεσσαλονίκη, 2009. Τίτλος: Χημική Τεχνολογία Συγγραφείς: Ζαμπούλης Δ., Ζουμπούλης Α., Καραπάντσιος Θ., Μάτης Κ., Τριανταφυλλίδης Κ., Εκδόσεις Α. ΤΖΙΟΛΑ και ΥΙΟΙ ΑΕ, Φιλίππου 91, 54635 Θεσσαλονίκη, 2009. Τίτλος: Βασικές Διεργασίες Χημικής Μηχανικής Συγγραφείς: McCabe-Smith-harriot Εκδόσεις Α. ΤΖΙΟΛΑ και ΥΙΟΙ ΑΕ, Φιλίππου 91, 54635 Θεσσαλονίκη, 2014.
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