TB-220726-V-303 Aerodynamics Training System Teaching Equipment Fluids Engineering Experiment Equipment

TB-220726-V-303 Aerodynamics Training System Teaching Equipment Fluids Engineering Experiment Equipment

The System Should cover the following Training Objective:

Flow around bodies field

Conducting measurement of flows velocity with Pitot tube

Conducting analysis of boundary layer on a flat plate with flow along the plate

–Familiarization with internal friction of gases

–Study of the boundary layer on the flat plate

–Effect of surface roughness on the formation of a boundary layer

–boundary layer interference with degressive/progressive pressure curve

Drag of bodies

–Measuring drag forces on models immersed in a flow

–Study of drag coefficients

–Familiarization with pulse rate application

–Recording pressure distribution on the cylinder immersed in a flow

–Measuring the wake depression behind the cylinder immersed in flow

¾Explanation of the Coanda effect

–Study of wall guided air flow

–Study of the principle of pneumatic logic elements

–Investigation of amplification effect in pneumatic elements

Illustration of streamlines

–Investigation of flow patterns in real fluids while flowing around and through models: (aero foil with adjustable angle of attack, cylinder and orifice plate for change in cross-section)

–Investigation of flow separation and stall

Steady incompressible flow field

Measurement of flows velocity with Pitot tube and Pitotstatic tube

free jets

–Recording the pressure curve at the outlet of a parallel flow into resting surroundings

–illustration of velocity profiles

Flow in a pipe elbow

–Study of the pressure curve at a 90° pipe bend

–Determination of the static pressure at 29 pressure measuring points

–illustration of the pressure distribution

Demonstration of Bernoulli’s principle

–Study of the continuity equation and Bernoulli’s principle

–Determination of the dynamic pressure from the measurement data via Bernoulli’s principle

–Study of the flow velocity from the measurement data using Bernoulli’s equation

–Investigation of pressure and velocity distribution

The System Comprising the Following:

1.Aerodynamics Main unit

Minimum Technical Specifications Required (like or better than):

Radial fan 0.35kW with maximum volumetric flow rate: 15m3/min, nozzle exit cross-section: 50x100mm and maximum flow velocity at the nozzle exit 38m/s

Vertical measuring section with flow straightener and nozzle

Switch cabinet with speed adjustment

Stabilisation tank

Thermometer: 0 to 58°C

16-tube manometers: 0 to 370mmWC with resolution: maximum 1Pa and inclination: 1:1, 1:2, 1:5 and 1:10

Exhaust air pipe

Placed on a rigid trolley of four caster wheels

2.Layers of boundary unit

Minimum Technical Specifications Required (like or better than):

Adjustable pitot tube: 0.4 to 50mm with diameter: 0.7mm

Fastener device with fast release

Plate with two different rough surfaces

─Adjustable: 0 to 240mm

─Chamfer: 30°

─Smooth surface: 25µm

─Rough surface: 400µm

Pitot tube can be adjustment to the plate via micrometer screw

2x removable side bodies with inclination: 1:12

3.Drag Forces unit

Minimum Technical Specifications Required (like or better than):

Pitot tube with diameter: 1mm and horizontal adjustment: 50 to 0 to 50mm

Measuring section with cross-section 50x100mm

Angle of attack adjusting scale: ±40°

Fastener device with quick release

Set of drag bodies: plate, cylinder with additional pressure measuring point and aerofoil

Set of weights

4.Coanda Influence unit

Minimum Technical Specifications Required (like or better than):

Should be Capable of demonstrating Coanda effect in pneumatic logic elements

Transparent plate with vertical, horizontal and radial scales

Adjustable nozzle with width: 0 to 50mm and length: 100mm

Pivoting and sliding elements: up to 90°

Vertical sliding wedge: 0 to140mm

5.Streamlines visualisation unit

Minimum Technical Specifications Required (like or better than):

Vertical measuring section: 245x40mm with transparent front plate and dark background

Fog generation unit

Fog distributor with nozzles

Flow straightener

Fastener device with quick release

scale

Rotating aerofoil drag body: clockwise and counter clockwise

Orifice plate drag body

Cylinder drag body

6.Principle of Bernoulli unit

Minimum Technical Specifications Required (like or better than):

Should be capable of investigating the continuity equation and Bernoulli’s principle

Should be capable of measuring the total pressure and the static pressure in a steady flow

Fastener device with quick release

Venturi shaped lateral body

Movable Pitotstatic tube: 0 to 280mm

Hose connections

7.Flow of pipe bend unit

Minimum Technical Specifications Required (like or better than):

Should be capable of measuring static pressure at 27 pressure measuring points along the bend

measuring points should be: on the left, right, top and bottom sides

Pipe bend: 90° with cross-section 50x100mm

Fastener device with quick release

8.Free jet unit

Minimum Technical Specifications Required (like or better than):

Should be capable of determining the pressure loss in the flow outlet into stationary surroundings

Fastener device with quick release

Pipe socket for the outlet of the air flow

Sliding pitot tube: horizontal: ±150mm and vertical: up to 680mm