Airflow and air compression > Wind Tunnels

MP 330 U SUBSONIC WIND TUNNEL, Upstream Fan

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The wind tunnel is an open circuit upstream fan type, designed for studying the subsonic aerodynamics. It is to be used with optional accessories and models below.

An axial flow fan delivers air through a diffuser, flow straightener, three wire mesh screens and a high contraction ratio section to ensure uniform velocity across the transparent test section. The diffuser and contraction sections have a high quality internal finish to minimize the boundary effects. The fan impeller blades are of an aerofoil design cast aluminum to ensure maximum aerodynamic efficiency and minimum turbulence. The fan speed is adjustable by an inverter. 

Four equally spaced static pressure taps are connected to a manifold to minimize effects from a model and air speed is indicated by an inclined manometer and a calibration graph. Models are mounted on two components load cell support with digital display for measurement of drag and lift. Model holder can be rotated to allow quick change on the angle of incidence, this angle is indicated on an angular scale.

The wind tunnel is mounted on a steel table on wheels.      

Instruction manual is also included.

  • Pressure and velocity measurement.

  • Estimation of drag coefficients of various bodies, e.g. sphere, hemisphere, disc, streamlined shape etc.

  • Estimation of drag, lift ang pitching moment (optional) coefficients of an aerofoil.

  • Pressure distribution around an aerofoil or a cylinder.

  • Effects of instability of a “flutter Wing”.

  • Investigation of boundary layer at a flat plate by measuring total head distribution.

  • Stream lines visualization using a smoke generator.

  • Wakes behind models.

  • Fan:
    
- Diameter: 500 mm   
- Impeller: Single stage, aerofoil aluminum blade   
  • Contraction area ratio
: 7:1   
  • Test section
: 300 mm x 300 mm x 600 mm long, transparent on three sides   
  • Maximum air velocity
: Over 30 m/s   
  • Measuring instruments
    
- Water manometer: Twin type   
- Wind velocity 

: Contraction section differential pressure with inclined water manometer and velocity calibration

   
 graph (to be used with inclined water manometer above)   

- Sensors with digital display

    
  • Lift and drag
: Two component balance with model holder for measurement of lift and drag   
  • Power supply
: 220 V, 1 Ph, 50 Hz. Other power supply is available on request.   
     
  • Net (unassembled) Shipping Dimensions WxLxH: 95x 385 x 130 cm
  • Net Weight: Approx. 600 kg
  • MP330US

Learning Software

to support both online/offline training with data calculation and analysis by manual data entry from analog measuring instruments.

  • MP330-003A
Three component balance with digital display and model holder for measurement of lift, drag, and pitching instead of two component balance.
  • MP330-007
Exhaust silencer with stand
  • MP330-110
Anemometer for velocity measurement, telescopic handle
  • MP330-111
Angle digital display for model angular position. It is to be attached to the two or three component balance.
  • MA216-450
Water manometer, inclined, multitube, air pressure
  • MA216-450D
Differential pressure sensor with sequential readings (To be used with MP330U-160)
  • MP330-121
Pitot-static probe, stainless steel
  • MP330-122
Yaw probe, three tube type with clamp
  • MP330-125
Wake survey rake (To be used MA216-450, separately supplied)
  • MP330U-160
Computer Control (computer not included)
 This includes MP330US and significant sensor(s) instead of analog measuring instrument(s), data acquisition (capture, display, graph and/or data export),
 additional software function for real-time data logging and control with computer interface unit and WiFi feature for data logging and real-time display remotely on smartphone (iOS and Android)
  • MP330DS

Learning Software

to support both online/offline training with data calculation and analysis by manual data entry from analog measuring instruments.

MP 330-160 Computer Control

OPTIONAL MODELS FOR LIFT AND DRAG

: Models for a study of lift, drag and pitching include:
MP330-011 Sphere, plastics
MP330-012 Hemisphere, plastics
MP330-013 Circular disc
MP330-014 Circular ring
MP330-015 Square plate
MP330-016 Vane
MP330-017 Cylinder, plastics
MP330-018 Streamlined shape, plastics
MP330-019 Aerofoil, aluminium
MP330-019L Aerofoil, long, aluminium
MP330-025 Model air plane, plastics
MP330-026 Model automobile, plastics
MP330-030 Aerofoil with slot and flap, aluminium and stainless steel
MP330-030L Aerofoil with slot and flap, long aluminium and stainless steel
OPTIONAL MODELS AND ACCESSROIES FOR INDIVIDUAL STUDY
MP330-050 Flutter wing, aluminium aerofoil on steel frame.
MP330-053 Pressure wing, aluminium(To be used with MA216-450)
MP330-055 Pressure cylinder, plastics (To be used with MA216-450)
MP330-057 Boundary layer plate with probe.
MP330-130 Smoke generator set
MP142-003 Additional smoke fluid
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