**WARNING !**

Currently, most links are to pages in Polish, they will be successively replaced with links to pages of the English version.

- Introduction
- Pumps
- Components of pump systems
- Pump systems
- Cavitation
- Pump and system control
- Dynamics of pumping systems
- Maintenance
- Testing of pumps and systems
- Computational methods

#### Indeks PL

## 1. Introduction

- Pumps in municipal
- Pumps in industry
- Pumps in agriculture

## 2. Pumps

- Fundamentals of pumps operation
- Pump properties
- Pump power balance
- Power balance of the pump unit
- Pump characteristics – BEP
- Factors influencing pump efficiency
- EEI
- MEI
- Cavitation specific speed
- Cross-section of a mixed-flow pump
- Cross-section of axial pump
- Cross-section of multi-stage pump
- Converting the power P of an impeller pump to a different rotational speed
- Converting the torque M on the shaft of an impeller pump to a different speed
- Pump efficiency
- Hydraulic efficiency
- Mechanical efficiency
- Volumetric efficiency
- Efficiency of the pump unit

- Centrifugal pump impeller design
- Shaping blades – 2D point method
- Calculations of the peripheral speed of the rotor
- Estimation of the inlet angle of the blade
- Estimation of pump total efficiency according to Gradewald
- Total efficiency estimation according to Strachovsky
- Estimation of hydraulic efficiency according to Łomakin
- Estimation of impeller diameter
- Pfleiderer slip factor
- The meridional speed coefficient according to Stepanoff
- Design of radial impeller part 1 – preliminary calculations
- Design of radial impeller part 2 – calculation of the flow part
- Design of radial impeller part 3 – impeller shaping
- Design of radial impeller – CALC spreadsheet
- Design of radial impeller – EXCEL spreadsheet

- Conversions
- Converting the power P of a centrifugal pump to another rotational speed
- Converting the torque M of a centrifugal pump to another rotational speed
- Converting the capacity Q of a centrifugal pump to another rotational speed
- Converting the head H of a centrifugal pump to another rotational speed
- Influence of viscosity on pump characteristics

## 3. Components of pump systems

**Liquids****Pipelines****Armature****Pump drives**

## 4. Pump systems

**About systems****Basics of pumping systems calculating**

- Kirchhoff’s Law I
- Kirchhoff’s Law II
- Flow through pipelines connected in parallel
- System operating point
- Parallel sum of two pumps
- Parallel sum of two pipelines
- Parallel sum of pump and speed controlled pump
- Parallel sum of pump and pipeline
- Parallel sum of three pumps
- Serial sum of two pumps
- Serial sum of two pipelines
- Serial sum of pump and pipeline
- Cooperation of pumps connected in parallel with the system
- The change of power at attaching parallel pumps
- The change of power at the pump attaching serial
- The change of NPSHR when connecting pumps in parallel
- The change of NPSHR at attaching pump in serial
- System operating point change when 1,2,3 pumps are connected in parallel
- Change in efficiency when pumps are connected in parallel
- Change in efficiency when pumps are connected in series
- Change of specific energy consumption when connecting pumps in parallel

**Calculations****Pump selection**

## 5. Cavitation

## 6. Pump and system control

- Pump control
- System control
- Assessment of regulation for constant parameters

## 7. Dynamics of pumping systems

- Fundamentals of dynamics
- Fundamentals of pumping systems dynamics
- Equation of motion

- The dynamic properties of system components

## 8. Maintenance

- Cost of hydraulic energy
- Ordering monitoring data
- Ordered curve of the system operation
- LCC
- LCC calculation example
- Starting a centrifugal pump
- Unit energy consumption
- Turning the outside diameter of the impeller
- Calculation example to turning the impeller of a centrifugal pump

## 9. Testing of pumps and systems

- Hydraulic power
- Measurement of pump characteristics
- System characteristics measurement
- Measurement of pump efficiency using the thermal imaging method

## 10. Computational methods

- Graphs