Characteristic Variables Of Hydraulic Turbomachines
Categories: Engineering Lab EquipmentTurbomachines such as pumps and turbines are energy converters. Turbines convert flow energy into mechanical energy and pumps convert mechanical energy into flow energy.It can be used to investigate a...
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Turbomachines such as pumps and turbines are energy converters. Turbines convert flow energy into mechanical energy and pumps convert mechanical energy into flow energy.
It can be used to investigate a centrifugal pump. Experiments can be performed on two key water turbine designs: Pelton and Francis turbine, available as accessories.
The closed water circuit comprises a tank, a standard centrifugal pump with variable speed and a flow control valve to adjust the back pressure.
The speed is detected contact-free by means of an inductive displacement sensor on the motor shaft. To determine the drive power, the drive motor is mounted on swivel bearings and equipped with a force sensor to measure the drive torque. Pressures at the inlet and outlet of the pump are measured. The flow rate is measured by means of an electromagnetic flow meter. The measured values are displayed digitally and processed further on a PC. The PC is used to calculate the power output data of the examined turbomachine and to represent them in characteristics.
Learning Objectives/Experiments
Centrifugal pump
Measuring inlet and outlet pressures of the pump
Determining delivery height
Determining hydraulic output
Determining mechanical output
Recording characteristics at various speeds
Determining the efficiency
With accessories Pelton turbine or Francis turbine
Measuring torque and speed
Determining efficiency of the turbine
Recording characteristics
Demonstration of a pumped storage plant
Specification
Determining characteristic variables of a centrifugal pump
Determining characteristic variables of water turbines together with the accessories
Experiments on a pump in a closed water circuit with storage tank and flow control valve to adjust the back pressure
Experiments on turbines: closed water circuit for supplying turbines
Pipes and fittings made of PVC
3-phase AC motor for pump with variable speed via frequency converter
Non-contact speed measurement at the turbine shaft and force sensor at the brake for measuring the torque
Digital displays for pressures, flow rate, speed and torque
Technical data
Standard centrifugal pump
max. head: 23,9m
max. flow rate: 31m3/h
Drive motor with variable speed
power output: 2,2kW
speed range: 0…3000min-1
Storage tank: 250L
Measuring ranges
pressure: 2x 0…4bar abs.
flow rate: 0…40m3/h
torque: 0…20Nm
speed: 2x 0…4000min-1
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase
230V, 60Hz, 3 phases
quick overview :
Turbomachines such as pumps and turbines are energy converters. Turbines convert flow energy into mechanical energy and pumps convert mechanical energy into flow energy.
It can be used to investigate a centrifugal pump. Experiments can be performed on two key water turbine designs: Pelton and Francis turbine, available as accessories.
The closed water circuit comprises a tank, a standard centrifugal pump with variable speed and a flow control valve to adjust the back pressure.
The speed is detected contact-free by means of an inductive displacement sensor on the motor shaft. To determine the drive power, the drive motor is mounted on swivel bearings and equipped with a force sensor to measure the drive torque. Pressures at the inlet and outlet of the pump are measured. The flow rate is measured by means of an electromagnetic flow meter. The measured values are displayed digitally and processed further on a PC. The PC is used to calculate the power output data of the examined turbomachine and to represent them in characteristics.
Learning Objectives/Experiments
Centrifugal pump
Measuring inlet and outlet pressures of the pump
Determining delivery height
Determining hydraulic output
Determining mechanical output
Recording characteristics at various speeds
Determining the efficiency
With accessories Pelton turbine or Francis turbine
Measuring torque and speed
Determining efficiency of the turbine
Recording characteristics
Demonstration of a pumped storage plant
Specification
Determining characteristic variables of a centrifugal pump
Determining characteristic variables of water turbines together with the accessories
Experiments on a pump in a closed water circuit with storage tank and flow control valve to adjust the back pressure
Experiments on turbines: closed water circuit for supplying turbines
Pipes and fittings made of PVC
3-phase AC motor for pump with variable speed via frequency converter
Non-contact speed measurement at the turbine shaft and force sensor at the brake for measuring the torque
Digital displays for pressures, flow rate, speed and torque
Technical data
Standard centrifugal pump
max. head: 23,9m
max. flow rate: 31m3/h
Drive motor with variable speed
power output: 2,2kW
speed range: 0…3000min-1
Storage tank: 250L
Measuring ranges
pressure: 2x 0…4bar abs.
flow rate: 0…40m3/h
torque: 0…20Nm
speed: 2x 0…4000min-1
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase
230V, 60Hz, 3 phases
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