The Acoustics Laboratory has one of the largest anechoic chambers in South East Asia. The chamber has a cut-off frequency of 80Hz, which compares well with 100Hz is higher in most educational institutions in the world. The laboratory is comprehensively equipped with the most up-to-date instrument such as near field holography systems, intensity probe, different type and size of microphones, the-state-of-art sound level meters, multi-channel FFT analyzers, analyzer with psychoacoustic system, dummy head, impedance tube, multi-channel data acquisition and processing systems. Another special feature of the laboratory is its provision of quiet flow for flow noise studies. The acoustic laboratory can support laboratory work and research activities in the sound and vibrations technology development in mechanical, aeronautical, civil and building services engineering. This also provides a quiet space for conducting experiment of environmental noise control method, noise annoyance and psychoacoustics.

Anechoic Chamber

Near-field Holography System

Product noise measurement

Experimental investigation of scale-down model of barrier

The acoustics wind tunnel laboratory has a quiet mini-wind-tunnel with the closed-loop flow at low speed. The noise generated from the driving fan is mostly absorbed by the acoustic linings inside the tunnel. The working section is about 1.8m long and it can be readily changed from a closed to an open jet. The maximum mean speed of 50m/s can be provided in the low noise working section. The tunnel facilities are equipped with movable platform, miniature microphones and hot wire anemometers and associated calibration equipment, various airflow anemometers and manometers, multi-channel data acquisition and processing systems, laservibrometers, Dspace control platform. This laboratory can support teaching and research activities in aeroacoustics, flow-through silencer design and development, active noise control, flow-induced vibration and noise-induced vibration.

Acoustics wind tunnel

Acoustics wind tunnel

Acoustics wind tunnel

The Laboratory is a research platform supporting research activities in advanced materials for energy conversion and storage. It supports material synthesis, cell assembly, electrochemical tests, and material characterization. The Laboratory is well equipped with muffle furnace, tube furnace, ball mill, coin cell electrodes fabrication system, glove box, coin cell testing system, electrochemical workstation, DEMS, and X-Ray Diffractometer.

Coin Cell Electrode Fabrication System

DEMS

Coin Cell Testing System

Electrochemical Stations

Glovebox

X-Ray Diffractometer

The Aeronautical Laboratory is dedicated to (1) teaching related demonstration and training of up-to-date aeronautic technologies; and (2) the R&D of application-oriented advanced theory/methods and innovative technologies which can solve critical and challenging engineering issues in the general aeronautic field including advanced control, system dynamics modelling or identification, nonlinear structural dynamics and analysis, nonlinear vibration control, robotic technologies, energy harvesting and health monitoring etc. The lab is consistently outputting high-quality R&D results in top-tier SCI journals, securing research grants from various sources, and establishing a strong tier with the industry including various R&D companies in Hong Kong and mainland of China, China aerospace engineering, and international R&D companies etc. The lab is well-equipped with state-of-the-art facilities and testing models such as a satellite model for complex structural dynamics modelling and health monitoring, flight simulators for teaching and training, vibration shaker and testing platform, various vibration isolation models, a track based robot with novel limb-like suspension, a series of aero-plane related components plus an engine and UAVs for teaching purposes.

(1) An engine model

(2) Flight simulators

(3) Vibration shaker

(4) A satellite model

(5) A manned capsule model

(6) A track based robot with novel suspension

Panorama of Surface Nano-crystallization Laboratory
(Renamed as Bio-mechanics Laboratory)

This laboratory provides platform to conduct research on biological materials and structures, including structural characterization and mechanical characterization.

1. Nikon SMZ18

Introduction:
Zoom Stereo Microscopes from Nikon with high resolution and macro magnification of parts. Perfect for large sample analysis and multi-focal imaging.

Key features:
•Ease of creating higher resolution, contrast, and zoom ratio images for electronics and other 3D parts.
•High zoom range (0.75 – 13.5x with 0.75/1/2/3/4/5/6/8/10/12/13.5x click stops) 3.75 – 270x magnification range with 10x eyepieces (dependent upon objective and camera adapter selection)
•LED fiber illumination available with epi coaxial, ringlight, and flexible light pipe options for a variety of applications.
•Double nosepiece accessory enables on-axis viewing, extended depth of focus, and quick rotation between multiple objects.
•Wide Range of Available Accessories.

Applications:
The Nikon SMZ18 is suitable for providing a clear image of many materials’ surface morphology.

2. PerkinElmer DMA 8000

Introduction:
The DMA 8000 Dynamic Mechanical Analyzer from Perkin Elmer is a highly flexible, cost effective analyzer. It has a modern design, and offers high functionality and flexible operation. The equipment uses an ultra-efficient cooling system, and can cool to -190 ºC in 15 minutes using less than a liter of liquid nitrogen, thus offering industry-leading performance.

Key features:
•The rotating analysis head can be oriented through a full 180° for optimal analysis head configuration for virtually any test type and sample geometry.
•The integrated unique lightweight analytical train has minimal compliance for enhanced performance
•Operates in dynamic mode as well as in “constant force (TMA) mode” vs. time or temperature
•Applications such as extension or contraction, softening and penetration, expansion coefficient in tension geometry yield useful information comparable to most commercially available stand-alone TMA instruments
•The environmental fluid bath option is integrated into the instrument, and allows true immersion studies on a sample while measuring the dynamic mechanical properties.

Applications:
The DMA 8000 is suitable for advanced research and regular quality testing in a variety of sectors such as
•Food
•Polymers
•Composites
•Pharmaceutical

3. 可程式高低温试验箱 (Programmable high and low temperature test chamber) WHCT-150L70-881

Introduction:
The programmable high and low temperature test chamber is mainly applied to scientific research, preservation of medical supplies, biological products, electronic components, chemical materials and other special high and low temperature test and storage.

Key features:
•The temperature range can be customized for the requirement, the lowest temperature of the equipment can be set as -70 Celsius degree.
•The design of safety door lock ensures the door will not open occasionally.

Applications:
The programmable high and low temperature test chamber is mainly used for measuring electrochemical performance of batteries.

4. Tytron 250 Microforce Testing System

Introduction:
The Tytron 250 test system from MTS Systems Corporation extends the advantage of mechanical testing which can speed up the evaluation of new product and component designs to the microforce range. With a load capacity from 0.001 N to 250 N, the Tytron 250 system opens up new mechanical-testing applications in electronic and medical product development and basic research. Its static and dynamic capabilities make the Tytron 250 system idea for monotonic, durability, and fatigue testing.

Key features:
•A directly coupled linear DC servomotor capable of speeds ranging from one µm/hr to 0.5 m/sec.
•A high-stiffness, thin-film air bearing for frictionless actuator motion.
•High-speed digital control. The MTS TestStar IIs control system has been modified with special enhancements and tuning parameters to support ultra-precise, high-resolution testing.
•State-of-the-art mechanical frame. Noise is minimized through the use of very high damping material, the same material used in some atomic force microscopes.
•The cable management system and single interface access panel simplify system setup and operation.
•The fully adjustable force reaction frame provides free space between the actuator and load cell that is adjustable from 0 to 500 mm. This variability allows the system to accommodate a wide range of specimens, fixtures, and chambers.
•Built-in storage area for accessories, specimens, and tools.

Applications:
Static and Dynamic Testing for:
Electronics
Biomaterials and medical devices
Polymers and thin films
Basic materials research

The Laboratory supports research and teaching in the areas of composite materials, smart structures/products, bio-inspirit materials and energy materials. It also provides services to aeronautical, automotive, marine and construction engineering industries. The Laboratory is equipped with High temperature RTM system, Protrusion system, Autoclave, Hot press machine, injection machine, vacuum chamber with high temperature dispersion system, 3 Coaxial nanofibre electrospinning unit, Glove box system, Closing tools, High temperature and high vacuum tube furnace, Electrochemical workstations, Solar simulator and I-V test station, Universal nano & micro tester, Micro tensile and fatigue testing system.

The Computational Aeroacoustics and Flow Physics (CAFP) Laboratory is a research group under the Consortium for Sound and Vibration Research with a mission to carry out high-quality research and development to meet the industrial, commercial and community needs of Hong Kong and Pearl River Delta. The goal of CAFP Laboratory is to advance the state of the art in high performance simulation of aeroacoustics and flow physics for exploring various phenomena occurring in technology and nature, with a particular emphasis on problems of practical interest to mechanical and aeronautical engineers. Current research focuses include: development of high-resolution numerical scheme for conservation laws, development of numerical scheme based on modeled Boltzmann equations, simulations of compressible flows, simulations of aircraft and high-speed train aeroacoustics, simulations of aeroacoustic-structure interactions, fan noise, and numerical methods.

High-performance computing cluster

The Computational Research Laboratory supports research and teaching in multi-disciplinary areas of acoustics, fluid mechanics, solid mechanics, materials science, vibrations, and combustion. At present, the laboratory is equipped with the IBM Blade Center cluster consists of 112 CPUs, Cluster of HP Proliant DL140 G2 (64 CPUs), IBM pSeries 670 (16 CPUs), HP Integrity rx7620 Server (8 CPUs) and workstations. The laboratory hosts operations of commercial software in computational mechanics, computational materials science, computational fluid mechanics and CAD modeling, as well as routine developments of high performance parallel computing codes and algorithms used for molecular dynamics simulation, phase-field modeling and first-principles calculation.

The laboratory is equipped with multi-mode Scanning Probe Microscopy, high-resolution optical microscopy and image analysis system, and surface thickness/roughness tester for atomic to microscale surface analysis; nano-indentation and micro-hardness, nano/micro-scratch and wear, micro-mechanical testers (tension, compression and fatigue in a loading range of mN to 450N), falling weight impact and Taber Abrasion Testers for mechanical test. Corrosion facilities include electrochemical systems with maximum resolutions of 0.01 fA and 1 mV, and frequency range of 10 mHz to 100 kHz. Thermogravimetric Analysis system with a maximum temperature of 2400 degree C under various gaseous and/or humid environments, plus simultaneous measurements of Differential Scanning Calorimetry or Differential Thermal Analysis. Electro-deposition system with DC and pulse deposition modes (±4V), and rotating disk electrodes. Dynamic mechanical analyzer (TA DMA Q800) with working temperature from 120K to 673K. Electric-thermal analysis system including TA, DSC and high-voltage power supply (±5kV). High vacuum thermal evaporation chamber (10-7torr) with 4 sources for growing organic thin films and electrodes

Vision:

To be a preferred CAD/CAE technology centre in Hong Kong and surrounding region.

Mission:

Excellent services in supporting of
(1) degree programmes in Product Design and Analysis;
(2) industry on product design, analysis and development and
(3) society on CAD/CAE software certificate training.

Members:

ME Staff and student representatives.

The Dynamics Laboratory, affiliated to the Consortium for Sound and Vibration Research, is dedicated to the R&D of both fundamental and applied research in the field of structural dynamics, non-destructive evaluation and structural health monitoring. The lab is enjoying burgeoning growth since its establishment, consistently outputting high-quality publications in top-tier SCI journals and securing research grants from various sources. The lab is well-equipped with state-of-the-art facilities, enabling innovative research and development of cutting-edge technologies, represented by VXI- and PXI-based high-performance signal generation and acquisition platforms, ultrasonic scanning systems, dynamic analysis systems, laser Doppler vibrometer, etc. More recently, a compact online structural health monitoring system, in conjunction with use of an innovative sensor network technique, has been developed in the lab. Comprehensively integrating signal generation modulus, signal acquisition modulus, central controlling and past-processing modulus, the system is able to deliver quantitative evaluation of structural integrity and health status in a real-time manner, offering a practical solution to the safety and integrity management of real-world structures.

Online Structural Health Monitoring System

Online Structural Health Monitoring System

Online Structural Health Monitoring System

Online Structural Health Monitoring System

Active Sensing Unit

The Fluid Mechanics Laboratory supports teaching and research for fluid mechanics. Basic experimental rigs equipped for undergraduate and MSc teaching include a wind tunnel with AR & smoke-wire flow visualization and a force balance, a shock tube with Schlieren photography, a gas turbine test bench, a flow measurement test rig, a boundary layer measurement and a cyclone rig etc. The wind tunnel with AR & smoke-wire flow visualization system and a load cell is available mainly for students to investigate the flow structure around different objects by the augmented reality method and the smoke-wire visualization technique, and to measure the aerodynamic performance by the load cell. The shock tube with Schlieren photography is composed of a home-made shock tube with the test section cross area 8 mm×8 mm 250 mm, a diameter sealing tube-type Schlieren system, a Photron SA-Z high-speed camera and two 150 W LED light sources. This Schlieren system is capable of visualizing various shock wave propagation patterns. The laboratory is also equipped with a turbulent boundary layer rig, a pipe flow rig, a turbulent jet testing rig, a compressible flow testing rig and a cyclone rig. A large number of accessory instruments such as hot-wire anemometers, spectrum analyzers, and computer data acquisition facilities are also included. A Ludwieg tube, which generates a wide range of freestream speed, will be built in 2017. Three supersonic nozzles are designed to produce test Mach numbers of 1.5, 2.5, and 4.0, and the estimated maximum test time available can be up to 50 ms.

The Heat Transfer and Combustion Laboratory support laboratory works and research activities in heat transfer, combustion and the related air pollution monitoring and control. On the combustion side, there are several burner systems developed for the investigation of open and impinging flames. There are sufficient facilities to measure gaseous and particulate pollutants generated from combustion processes including: heated flame ionization detector, heated chemiluminiscence analyzer, non-dispersive infra-red analyzer, remote sensing emissions testing system, scanning mobility particle sizing device and tapered element oscillating microbalance. On the heat transfer side, there are fundamental facilities for heat flux and temperature measurements. A new Thermal Science Laboratory is developed to provide fundamental laboratory works in both Thermodynamics and heat transfer, such that the strength in teaching heat transfer is enhanced.

Schlieren flame visualization system

Heat Flux Measurement Test Rig

Heat Flux Sensor

Amplifier for heat flux sensor

Gas analyzers (NDIR for CO and CO2, HFID for HC, HCLA for NOx)

Digital Flowmeter (Alicat)

Recirculating Cooler

Flue Gas Analyzer (Anapol)

Exhaust Gas Analyzer (EMS)

Infrared Meter

Force Tensiometer (KRUSS)

Rheometer (RST)

This Centre aims at providing a universal platform to underpin University’s teaching and industrial-based activities that are used to promote product testing and analysis (PTA) technology for product and engineering design and development. In this Centre, it equips many up-to-date product testing facilities (destructive and non-destructive) such as MTS tensile, compressive and torsion testing machines, for both static and dynamic strength measurements, infrared camera and ultrasound detectors. A temperature controlled chamber is also installed in one of these machines to provide a complete mechanical property measurement of structural materials at different temperature ranges. A free fall (drop test) machine is also placed inside the Centre for investigating impact properties of products. A new product analysis room is also built to conduct virtual testings of products in the upstream product design process. Unlike other laboratories and centres in the University, this Centre will be run proactively, in which it would participate in local and international events by providing technical and knowledge supports. Moreover, the Centre has also organized training courses in PTA to the students and industrialists annually.

The Materials and Mechanics Technology Laboratory supports research and teaching in the area of mechanical behavior of materials. It is equipped with the state-of-the-art facilities for material preparation (cutting, grinding, polishing and 3D printing systems), observation (optical microscope and image analysis software) and characterization (hardness, tribology and universal testing machines). It also provides services to aeronautical, automotive, marine and construction engineering industries. The details of equipment are:

1. UV Curing 3D Printer – OBJET 24, Straytasys

2. FDM 3D Printer – µPrint SE Plus , Straytasys

3. Universal Mechanical Tester (UMT), Bruker

4. Rockwell C Hardness Tester, LC-200RB, Future Tech

5. Vickers Hardness Tester, FM-7e, Future Tech

6. Universal Testing Machine, GP-TS2000M, Gopoint

7. Digital Microscope, P-400Rv, Nikon

8. Metallographic Abrasive Cutter – AbrasiMatic 300, Buehler

9. Metallographic Precision Cutter – IsoMet 1000, Buehler

10. Metallographic Precision Cutter – IsoMet 5000, Buehler

11. Metallographic Mounting Press – SimpliMet XPS1, Buehler

12. Metallographic Vacuum System – Cast N’ Vac 1000 & Cast N’ Vac, Buehler

13. Metallographic Grinder/Polisher – Vector/Metaserv 250, Buehler

14. Metallographic Grinder/Polisher – AutoMet 250/EcoMet 250, Buehler

15. Metallographic Vibratory Polisher – VibroMet 2, Buehler

16. Ultrasonic Cleaner, UltraMet 2005, Buehler

17. Metallographic Cross-Sectioning System, MPC 2000,Buehler

18. Fully Automatic Microhardness Testing System OmniMet MHT –F Software with Tukon 1202Tester, Buehler

19. Metallographic Imaging Software, aOmniMet Enteprise Software, Buehler

UV Curing 3D Printer – OBJET 24, Straytasys

FDM 3D Printer – µPrint SE Plus , Straytasys

Universal Mechanical Tester (UMT), Bruker

Rockwell C Hardness Tester, LC-200RB, Future Tech

Vickers Hardness Tester, FM-7e, Future Tech

Universal Testing Machine, GP-TS2000M, Gopoint

Digital Microscope, P-400Rv, Nikon

Metallographic Abrasive Cutter – AbrasiMatic 300, Buehler

Metallographic Precision Cutter – IsoMet 1000, Buehler

Metallographic Precision Cutter – IsoMet 5000, Buehler

Metallographic Mounting Press – SimpliMet XPS1, Buehler

Metallographic Vacuum System – Cast N’ Vac 1000 & Cast N’ Vac, Buehler

Metallographic Grinder/Polisher – Vector/Metaserv 250, Buehler

Metallographic Grinder/Polisher – AutoMet 250/EcoMet 250, Buehler

Metallographic Vibratory Polisher – VibroMet 2, Buehler

Ultrasonic Cleaner, UltraMet 2005, Buehler

Metallographic Cross-Sectioning System, MPC 2000,Buehler

Fully Automatic Microhardness Testing System OmniMet MHT –F Software with Tukon 1202Tester, Buehler

Metallographic Imaging Software, aOmniMet Enteprise Software, Buehler

The measurement and control lab supports teaching and research in the areas of mechatronics, robotics, and control systems. The lab provides state of the art facilities and setups for experiments such as measurement and control of motors, water tank level control using PID, and sequential operations through programmable logic controller (PLC). It also equips with KUKA youBot with articulated arm and mobile manipulation capability, gantry robot for task execution, and spectrum analyzer for signal monitoring.

LVDT Displacement Measurement System

PLC System

KUKA youBot

Spectrum Analyzer

  1. Hysitron low-load nanoindentation system (load resolution ~ 1 micro Newton, displacement resolution ~ 1 nm and data acquisition system ~ 10,000 data points per second, and the maximum load applied ~ 7 mN). The low-load nanoindentation system enables mechanical characterization of thin films, biological materials and nanomaterials in a quasi-static and dynamic mode with a temperature control (-50 deg C to + 500 deg C).
  2. Hysitron high-load nanoindentation system (load resolution ~ 100 micro Newton, displacement resolution ~ 1 nm and data acquisition system ~ 100 data points per second, and the maximum load applied ~ 7 N). The high-load nanoindentation systems enables mechanical characterization of soft and hard materials in a quasi-static mode.
  3. Surface Mechanical Attrition Treatment (SMAT) system with shots activated in the ultrasonic frequency range. The SMAT system enables surface treatment of bulk metallic samples from the generation of residual stress towards surface nanocrystallization.
  4. Micro-hardness tester by Future-Tech.
  5. X-Ray Diffractometer equipped with area detector by Bruker for phase identification, residual stress measurement and texture analysis.

This lab supports various researches in advanced energy conversion and storage technologies and is equipped with an advanced testing system for fuel cells and batteries, as well as an electrochemical workstation. With the equipment, research students and staff are able to develop new energy-related devices, components and materials. In addition, some electrochemical and photoelectrochemical wastewater treatment devices can also be investigated in the lab.

Testing system for devices (e.g., fuel cells and batteries).

Electrochemical workstation (Autolab) for nanomaterials and devices.

The NDVC laboratory supports laboratory work, research and consultancy activities in analysis, design, identification and control of nonlinear dynamic systems and their applications in active/passive vibration control. Major facilities to support the current activities include the new generation of vibration isolator system — MrEPI, dSpace control platform, a large vibration testing table, laser vibrometers (one Polytech PSV-400 scanning system and two other Polytech single point systems), Multi-channel FFT analyzers, electromechanical shakers, hammers, etc.

Laser Doppler Vibrometer

General Safety Rules for ME Laboratories 

1) Please keep working area clean and tidy
2) Please wear safety goggles, ear protectors or gloves, if necessary
3) Please make sure that you are familiar with the fire escape route
4) Please ask lab technical staff’s permission before using lab equipment or machine, if you are not an authorized user
5) Please use BS standard plugs and sockets as connecting to the main single phase AC power supplies
6) Please check wiring connections before switching on the power
7) Please turn off heater or soldering iron after use
8) Please follow equipment or machine operating instructions
9) If your hair is long, please tie up it
10) In case of emergency, please evacuate as soon as possible
11) Compressed gas cylinders must be kept away from heat source
12) Electric extension boards must be kept away from water source
13) Do not eat or drink
14) Do not work alone at laboratory at any time
15) Do not stay in non-opening hours unless you are authorized to do so
16) Do not wear sandals or slippers
17) Do not obstruct passageways
18) Do not overload the AC power
19) Do not use electric adaptor

Remarks:    Students are also requested to follow “Safety Rules for Specific Laboratories”, as they need to work at Laser Laboratory, Radiation Laboratory, Chemical Laboratory or Mechanical Workshop.

Safety Rules for Specific Laboratories

Laser Laboratory:
1) Must complete the HSEO online safety training and pass the test
2) Must wear assigned laser safety goggles
3) Do not wear any shiny items such as watches, rings, bracelets etc.
4) Do not leave the laser switched on unattended

Radiation Laboratory (closed beam X-ray machine):
1) Must complete the HSEO online safety training and pass the test

Chemical Laboratory:
1) Must complete the HSEO online safety training and pass the test
2) Must wear powder-free Nitrile gloves
3) Must use Parafilm to cover beaker or other glassware for temporarily storage chemical solutions
4) Must use fume cupboard for preparing chemical solutions and heat treatment
5) Must wear Nitrile gloves to clean up the working bench after use
6) Must be familiar with the location of washing system outside chemical laboratory
7) Do not wear cotton or cloth gloves

Mechanical Workshop:
1) Must wear safety shoes for machining or sample preparation
2) Must tie up and cover long hair, if you have
3) Must wear safety goggles or face shield for machining
4) Must be familiar with the location of emergency stop button to turn off all electrical power for emergency
5) Do not wear loose hanging garment

The measurement and control lab supports teaching and research in the areas of mechatronics, robotics, and control systems. The lab provides state of the art facilities and setups for experiments such as measurement and control of motors, water tank level control using PID, and sequential operations through programmable logic controller (PLC). It also equips with KUKA youBot with articulated arm and mobile manipulation capability, gantry robot for task execution, and spectrum analyzer for signal monitoring.

The Thermodynamics Laboratory supports laboratory work and research activities in thermodynamics, internal combustion engines, alternative fuels, air pollution monitoring and control areas. It also supports consultancy activities in the measurement and control of engine gaseous and particle emissions, and engine performance. Major facilities to support the current activities include the diesel engine test beds, data acquisition system, ejection type dilution and sampling system, gaseous and particle emissions analyzers, on-road remote sensing vehicle emissions system, thermo-graphic imaging system, X-wire and cold wire anemometry. The Thermodynamics part of our new Thermal Science Laboratory is expected to enhance our strength in teaching fundamental Thermodynamics.

Equipment List :

Four-cylinder Engine Test Bed

Four-cylinder Diesel Engine Test System (Ono Sokki)

Single-cylinder diesel engine test bed with controller

Regenerative engine test set

Gas analyzers (NDIR for CO and CO2, HFID for HC, HCLA for NOx)

Tapered Elementary Oscillating Microbalance (TEOM)

Scanning mobility particle sizer with condensation particle counter

Two-stage dilution system

Thermodenuder

Combustion analyser

Smoke-meter

Sub-micrometer Aerosol Generator System (SMOG)

Electronic balance

DMM Mass Monitor and ELPI System

This Lab houses one large-scale water tunnel, which has a rectangular working section of 0.3 m X 0.6 m X 2.4 m and a maximum speed of nearly 4 m/sec. The tunnel is equipped with numerous pieces of state-of-art equipment, including a two-component laser Doppler velocimeter (LDA), 2-D particle image velocimeter, 3-D laser-induced fluorescence flow visualization, hot-film anemometers for flow measurements. The tunnel has been used to support a number of research projects, including RGC-supported group research project, and consultancy projects in the areas of turbulent flows, flow-induced vibration and noise control. It is also used to support undergraduate and postgraduate teaching.

The wind tunnel laboratory equips a closed-loop low-speed wind tunnel with a test section of 2.4m (length) × 0.6 m (width) × 0.6 m (height). The maximum wind speed is 50 m/s. It is used for teaching as well as research into turbulent flow and flow control technique. Measurements equipment includes a high-speed laser-sheet visualization system, two particle image velocimetry (PIV) systems, a hot-wire system with a 3-axis traverse, 6-components force measurement systems and a differential pressure system. Measurements can be done separately or synchronously. Two high-voltage generators (>10k Volt) and a Nano-second generator (>20k Volt) are used for active flow control in the wind tunnel.

Overview of the wind tunnel test section.

Experiment for a scaled-down UAV half model.

Visualizations of a flow map in quality and quantity.