• Hidroenergetika, Semester 2, position 2

The knowledge of engineering design of pumps, fans and turbo compresors. Ability to work in design and development offices in the pump, fan and turbo compresor industry. Ability to innovate project methods.

Upon successful completion of this course, students will be able to: 1. design pumps, fans and turbocompresors according to various procedures, 2. analyze the consequences of different design approaches, 3. use and analyze hydraulic, numerical and experiential data used in design, 4. model the geometry of pumps, fans, turbo compresors.

Calculation of the radial pump impeller. Meridian cross-section of the impeller and determination of the flow net. Horizontal projections of the imepller. Point-to-point method. Conformal mapping method. Model cross-sections. Volute design and calculation. Axial pump design. Selection of optimal Flow coefficient and Head coefficient. Application of blade cascade theory for the calculation of impeller and axial pump diffuser. Weinig-Eckert method. Determination of hydraulic, volumetric and mechanical losses of the pump. Axial and radial force: origin, calculation, balancing. Sealing: types and applications. Bearing and construction. Calculation of pump characteristics.

Project examples: Calculation of the radial pump impeller. Shaping the meridian cross-section of the impeller and determining the flow net. Shaping the horizontal projection of the impeller. Point-to-point method. Conformal mapping method. Model cross-sections. Preliminary and diffuser design. Volute design and calculation. Weinig-Eckert method. Design of impeller and diffuser. Bearing and construction.

Passed exams Pumps, Fluid Mechanics B. Knowledge of basic computer tools.

Lecture Handouts. Laboratory for Hydraulic Machinery and Energy Systems, test rigs, measuring equipment.

Total assigned hours: 75

New material: 20
Elaboration and examples (recapitulation): 10

Auditory exercises: 5
Laboratory exercises: 0
Calculation tasks: 0
Seminar paper: 0
Project: 22
Consultations: 0
Discussion/workshop: 3
Research study work: 15

Review and grading of calculation tasks: 0
Review and grading of lab reports: 0
Review and grading of seminar papers: 0
Review and grading of the project: 0
Test: 0
Test: 0
Final exam: 0

Activity during lectures: 70
Test/test: 0
Laboratory practice: 0
Calculation tasks: 0
Seminar paper: 0
Project: 0
Final exam: 30
Requirement for taking the exam (required number of points): 21

Lectures - prof. Protic - prof. Nedeljkovic, 2020.