Features:
Wide range of accessories for basic experiments with airflow
Record a fan characteristic
Optional software for data acquisition
Tesca Principles of Air Flow Studies Apparatus allows experiments on the fundamentals of airflow. Optional software for data acquisition and visualization makes the experiments especially clear and enables fast execution of experiments with reliable results. The experimental unit includes a radial fan, which can be used to generate flow velocities up to 9m/s. An inlet contour on the intake side ensures a low-turbulence flow and thus a homogeneous velocity distribution in the measuring section. A throttle valve on the end of the pressure pipe can be used to adjust the airflow to allow the fan characteristic curve to be recorded. When used in conjunction with the power meter it is possible to determine the efficiency of the fan.
Further accessories for additional experiments can be attached in the intake pipe: electronic total pressure sensor, pressure distribution on a cylinder, and heat transfer at a cylinder in transverse flow. To study the friction losses, the intake pipe is replaced with pipe elements from (straight pipes, pipe bends, and pipe angles).
Measuring points along the measuring section allows temperature, pressure, and velocity measurements to be taken. The flow rate is determined by means of the inlet contour and the pressure measurement. The measured values are transmitted directly to a PC via USB. The data acquisition software can be included optionally

Specifications:
1. Investigation of the principles of airflow
2. Transparent intake pipe with mounting options for additional accessories 3. inlet contour minimizes turbulence on the intake side
4. Throttle valve on the delivery pipe to adjust the airflow
5. Electronic measurement of temperature and pressure
6. Determine velocity by means of the dynamic pressure
7. Determine flow rate via differential pressure
8. Optional Software for data acquisition via USB under Windows 7, 8.1, 10

Technical Specifications:
Radial fan
Max. power consumption: 90W
Speed: 2800min-1-
Max. flow rate: 460m3/h
Max. differential pressure: 480Pa Delivery pipe
Outer Ø: 110mm Ÿ Inner Ø: 99,4mm Intake pipe
Outer Ø: 140mm
Inner Ø: 134,4mm Measuring ranges
Pressure:Druck: 1x ±10mbar
Pressure: 2x ±1mbar
Temperature: 0…200°C

Experiments:
Recording a fan characteristic
In conjunction with the power meter HM 240.02
Determining the fan efficiency
In conjunction with corresponding accessories
Velocity distribution in the pipe
Velocity distribution behind a cylinder subject to transverse incident flow
Pressure distribution around a cylinder subject to transverse incident flow
Friction losses in pipes, pipe bends, and pipe angles
Recording the cooling curve of a copper cylinder subject to incident flow Ÿ Determining the heat transfer coefficients from the cooling curve Requirements:
Mains Input: 220 – 240V AC @ 50Hz