Model and prototype testing of hydraulic machinery

Achieving scientific competence in the fields of experimental tests of hydraulic machinery models and prototypes. Mastering theoretical and practical knowledge in the fields of specific measurements in relation to hydraulic machinery characteristics research. Obtaining necessary knowledge for the individual research in laboratory and in situ (hydropower stations) with the aim of hydraulic machines complex tests.

Obtaining necessary measurements knowledge for research of flow processes in the hydraulic machines and for determination of their characteristics. Knowledge of test rigs configurations, contemporary measuring methods, techniques and devices for specific measurements in hydraulic machinery. Ability to do specific integral flow parameters determination in the hydraulic machines by the experimental measurements and by the numerical simulations and their mutual comparative analysis. Having the relevant know-how for individual scientific research in laboratory for hydraulic machinery testing.

Main and specific characteristics of hydraulic machinery (turbines, pumps and pump-turbines). Methodologies, standard procedures and activities for energy and cavitation characteristics determination of hydraulic machinery models. Test rigs configurations. Measurement devices and calibrations. Laboratory and on-site dimensional checks of the hydraulic machinery flow passages. Physical properties measurements with aim to determine machinery characteristics. Accuracy, repeatability and stability during measurement. Measuring data analysis. Experimental analysis of the model (pressure fluctuations measurements and cavitation observations). Specific researches. Experimental identification of 3D flow structure in hydraulic machinery passages. Comparative analysis of characteristics obtained by numerical and experimental research. Scale effects. On-site measuring methods and special research of hydraulic machines prototype.

Research in laboratory for hydraulic machines testing. Preparation and organization of measurements, testing, specific research data acquisition and analyses.

No prerequisites for attending this subject.

Test rigs in laboratory. Measuring devices. Printed material and hand-outs.

Total assigned hours: 65

New material: 30
Elaboration and examples (recapitulation): 20

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

Review and grading of calculation tasks: 0
Review and grading of lab reports: 5
Review and grading of seminar papers: 10
Review and grading of the project: 0
Test: 0
Test: 0
Final exam: 0

Activity during lectures: 0
Test/test: 0
Laboratory practice: 20
Calculation tasks: 0
Seminar paper: 50
Project: 0
Final exam: 30
Requirement for taking the exam (required number of points): 0

Мирослав Бенишек „Хидрауличне турбине“, Машински факултет у Београду, 1998; Иван О. Божић „Хидрауличне турбине - Практични примери са изводима из теорије“, Машински факултет у Београду, 2017