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News from the School of Mechanical Engineering

Mission Discovery

22 November 2011

The International Space School Educational Trust (ISSET), the University of Adelaide and the University of Adelaide Student Branch of the American Institute of Aeronautics and Astronautics (AIAA) are excited to announce Mission Discovery.

In Mission Discovery, people work in teams with astronauts and NASA leaders for a week. The program will be held at the University of Adelaide from Monday 16 January to Friday 20 January in 2012.

For further information, click here.


Mechanical Engineering Ranked 81st in the World

06 April 2011

According to QS World ranking The University's School of Mechanical Engineering is the highest ranked engineering School in South Australia and is ranked 81 amongst Mechanical Engineering departments in the world.

The 2011 Engineering and Computer Science ranking list the School as 6th in the subject area of Mechanical, Aeronautical & Manufacturing Engineering in Australia.

Further information about the new ranking of different Engineering School's in Australia and around the world can be found in the article and web link below.

InDaily link


2010 Final Year Project - External Burning Scramjet

14 December 2010

Scramjet
Photo from Woomera Rocket Launch

The external-burning scramjet is a final year project by students from the School of Mechanical Engineering.

The students launched their rocket at Woomera on the October long weekend. The project was one of many projects on display at MechExpo, which was held on the 26-27 October 2010 at the Adelaide Showgrounds. MechExpo featured the Scramjet payload as launched and recovered in addition to the results obtained throughout the flight test.

During the year, the student team had the opportunity to show their scramjet to pre-election Minister for Defence Materiel and Science Greg Combet (see article below).

Students - Scott Beinke, Jia Kok, David Kemp, Phillip Mellen, Thomas Minge & David Wilke

Supervisor - Dr Con Doolan

Project Sponsors - Australian Space Research Institute (ASRI), BAE Systems, Sir Ross & Sir Keith Smith Fund and Teakle Composites

Defence SA Magazine Article Sept/Oct 2010

Advertiser Article 05/10/2010 (pdf 327 kB).

Audio of ABC interview with project supervisor Dr Con Doolan (Nov 2010)


MechExpo 2010 - 16th annual Honours Project Exhibition

05 October 2010

Death-defying Diwheel
Picture of the Death-defying Diwheel

You are invited to attend MechExpo, the School of Mechanical Engineering's 16th annual Honours Project Exhibition, a display of over 60 exciting projects developed by the engineers of tomorrow.

This must-see event is a highlight in the science and technology calendar. It will feature diverse projects such as the Micycle (a self-balancing electric unicycle), autonomous quad-copters, a Death-defying Diwheel similar to the one in Star Wars Episode III and the Hi Speed Bio-diesel Bike capable of breaking a land speed record - all under one roof at the Adelaide Showgrounds.

Come and try your hand on Edgar the self-balancing scooter, or pit yourself against the computer to keep a pendulum inverted upright, or try to get a ball in the centre of a floating table.

This is a unique opportunity to encounter engineering in practice, to learn what it really means to be an engineer and to engage with final year engineering students as they share their experiences.

When: Tuesday, 26th October, 7pm to 9pm and Wednesday, 27th October, 9am to 4pm

Where: Adelaide Showgrounds. Goyder Pavillion

FREE entry

FREE car and bus parking off Rose Terrace

Bus drop off zone Goodwood Road

Showground Map

Promotional Flyer for MechExpo 2010 (pdf 327 kB).

For more information contact Kathy Cooper.

www.mecheng.adelaide.edu.au/projectexhibition


Research for better surveillance, submarine stealth

03 September 2010

Collins Class submarine HMAS Waller.
Collins Class submarine HMAS Waller.
Photo by ABPH Bill Louys, courtesy of the Department of Defence.

University of Adelaide researchers are helping develop quieter diesel engine submarines and an image content search capability for improved surveillance and reconnaissance.

The two research projects have won funding under the Department of Defence's Capability and Technology Demonstrator (CTD) Program, announced today by the Hon. Greg Combet, Minister for Defence Materiel and Science.

The University's School of Mechanical Engineering will receive $1,120,000 to develop an adaptive exhaust silencer to reduce the noise from the diesel engines used on submarines. The Australian Centre for Visual Technologies will receive $684,000 to develop technologies that will help Defence search vast available databases of video and still imagery.

The University of Adelaide is the only university to receive funding under the latest round of the CTD Program (Round 14), which is managed by the Defence Science and Technology Organisation (DSTO).

Director of the Australian Centre for Visual Technologies, Professor Anton van den Hengel, said the image search technology being developed was like "Google for images", allowing users to search for images, using images.

"Current search engines typically rely on associated text to identify images as they can't interpret the content of the image itself," said Professor Anton van den Hengel. "But having the right text is rare, making it impossible to find most images. Our technology means you can search for images of an object, just by showing it a similar picture, and it works for very large image databases.

"For example a database of satellite imagery could be searched automatically for a particular structure or object in seconds . Currently that would take months to achieve manually by Defence personnel."

School of Mechanical Engineering Senior Lecturer Dr Carl Howard said the exhaust silencer for use on diesel engine submarines being developed was a passive noise control system - not requiring the input of noise interference - and would therefore be very robust.

"The Collins Class submarines have three large diesel engines and it's a difficult engineering problem to hide these enormous power plants so that the submarine can remain undetected," Dr Howard said.

"The engineering acoustic problem faced is that standard exhaust silencers are designed with a compromise between the amount of noise reduction and the frequency range over which they are effective. The novel feature of this development is that it will provide high levels of noise reduction over a narrow frequency range, and it will automatically tune to the sound emitted by the diesel engine."


Final year student wind turbine project

27 August 2010

Mechanical Engineering students are currently working on a project to make a wind turbine which will operate in difficult urban conditions.

See articles below about this level 4 student project:

In-Business Magazine article

Adelaide Advertiser story 21 Sep 2010

Link to news story on Government of South Australia Climate Change website

This project is one of more than 60 projects which will be featured at the 2010 Mechanical Engineering Final Year Project Exhibition, to be held on 27 October in the Goyder Pavilion, Adelaide Showgrounds.

In-Business magazine will run stories on other student projects in the lead up to the Project Exhibition. Future stories will be posted on our website.


Using ultrasound to control toxic algal blooms

27 August 2010

Blue-green algae samples
Photo courtesy of SA Water.

University of Adelaide researchers are investigating the use of ultrasound as an environmentally friendly and cheaper alternative to controlling blue-green algae in our fresh water supplies.

In collaboration with water industry organisations including SA Water, the researchers are starting a three-year project to find the best process for using ultrasound in large volumes of water to combat this significant world-wide water quality problem.

Chief Investigator Dr Carl Howard, from the University's School of Mechanical Engineering, says researchers will be testing different amplitudes and frequencies of ultrasound.

"We've already shown in laboratory tests that ultrasound is effective at neutralising blue-gree algae" says Dr Howard.

"We know it works but we don't yet know the best frequencies, amplitudes and duration for the most effective, economic and efficient process."

Blue-green algae (or cyanobacteria) can affect health and causes other water quality and environmental problems when it accumulates and forms 'blooms' in fresh water. It is currently controlled by the application of chemical treatments.

Dr Howard says ultrasound - at high amplitudes - is used for treating sewage and in other chemical processes but hasn't been practical for fresh water treatment. Ultrasound at high amplitudes breaks down the cell walls of the blue-green algae, releasing toxins into the water.

"The novel part of our solution is that we will be using ultrasound at low amplitudes where it immobilises the blue-green algae without releasing its toxins into the water and with lower energy input" Dr Howard says.

The researchers propose mounting ultrasound generators inside large underwater columns containing mixers which will draw the water through for treatment as it flows part.

The main industry partner, SA Water, has been working with University of Adelaide researchers over the past 15 years on a range of chemical and water circulation techniques in reservoirs and the River Murray to help tackle this problem.

The project has been granted $400,000 under the latest round of the Australian Research Council's (ARC) Linkage Projects scheme.

"This project is an innovative and exciting development in this area of research which has the potential to provide many benefits to drinking water supplies both locally and nationally" says SA Water Biology Research Leader Associate Professor Mike Burch.

Other industry partners are Melbourne Water Corporation, United Water International Pty Ltd, Water Corporation of WA and Water Quality Research Australia.


2009 Project Exhibition featured on Network Ten's "Totally Wild"

30 July 2010

2009 Project Exhibition featured on Channel Ten's "Totally Wild"

The School of Mechanical Engineering's 2009 Final Year Project Exhibition was featured on Network Ten's "Totally Wild", a popular children's educational program.


Robot Locomotion Segment

27 April 2010

Dr Steven Grainger (mechatronics engineer) shows how robots may move around in the future.

The Robot Locomotion segment shown on Scope TV can be viewed at

http://ten.com.au/video-player.htm?vxSiteId=cb519624-44a2-4bf7-808b-3514d34e96e4&vxChannel=SCOPE&vxClipId=1427_scp1006-robot2-080410&vxBitrate=300&vxTemplate=integrated.swf&vxClickToPlay=false.


Mechanical Engineering students achieve 2nd place overall at the 2010 Techfest Competition

02 February 2010

Robot
One of the two robots developed by the students.

Philipp Allgeuer and Najmal Veettil represented our School and the University of Adelaide at the recently concluded "iNexus robotics competition - Australia zone". The students stood first in the Australia zone and were invited to compete at the 2010 Techfest Competition, which was held on the 22nd January 2010 at the Indian Institute of Technology (ITT) at Powai in Mumbai, India.

Techfest is Asia's largest Science, Technology and Technical Festival. This event, held at the ITT, is an international event where engineering teams from all over the world come together to compete in a wide range of competition categories.

Out of 650 teams from all over the world our students came 2nd overall. A team from Thailand won the competition.

More details on Techfest can be found at www.techfest.org.


New Robotic Hand Patent

12 January 2010

Robotic Hand
Robotic Hand

A robotic hand, with very few moving parts, has been developed by the School of Mechanical Engineering.

For enquiries please contact Professor Colin Hansen.


15th annual Honours Project Exhibition

27 August 2009

Flying Platform with Coaxial Counter-Rotating Rotors
Picture of a flying platform with coaxial counter-rotating rotors.

You are invited to attend the School of Mechanical Engineering's 15th annual Honours Project Exhibition, a display of exciting projects developed by the engineers of tomorrow.

This must-see event is a highlight in the science and technology calendar. It will feature diverse projects such as the Formula SAE Racing Car, the Ballbot (a robot capable of balancing on a ball), the Monowheel or Wheelbike similar to the one in Star Wars Episode III and the Hi Speed Bio-diesel Bike capable of breaking a land speed record - all under one roof at the Adelaide Showgrounds.

Come and try your hand on Edgar the self-balancing scooter, or pit yourself against the computer to keep a pendulum inverted upright, or try to get a ball in the centre of a floating table.

This is a unique opportunity to encounter engineering in practice, to learn what it really means to be an engineer and to engage with final year engineering students as they share their experiences.

When: Thursday, 22 October, 9am to 4pm

Where: Adelaide Showgrounds. Goyder Pavillion

FREE entry

FREE car and bus parking off Rose Terrace

Bus drop off zone Goodwood Road

Showground Map

Promotional Flyer of 2009 Final Year Project Exhibition (pdf 327 kB).

For more information contact Vicky Samra.

www.mecheng.adelaide.edu.au


Robotic Musicians Win National Prize

15 January 2009

The Robotic Concertina
Picture of the prize winning robotic concertina device.
NICTA

In 2008 NICTA (www.nicta.com.au) launched a competition, The Candiago Cup Challenge, for machines that play musical instruments, and the School of Mechanical Engineering submitted a successful proposal for sponsorship from NICTA to enter. The underlying rationale of the competition is to foster and promote Embedded Systems (devices containing computers that are not themselves computers).

The students undertook the design of a robotic concertina for the competition as part of their Master's course: Advanced Digital Control, under the supervision of Dr Steven Grainger. The course is concerned with the design and analysis of digital control systems which are a form of embedded system.

The instrument is a 48-key Stagi 'English' Tenor Concertina. Interestingly, the Concertina was invented by the British Scientist, Sir Charles Wheatstone, more famously known (at least in Engineering circles) for The Wheatstone Bridge - an electric circuit used for measuring unknown resistances.

The skills developed during the project are directly applicable to the real-world of embedded systems.

The members of the winning team were:

  • Mohsen Bazghaleh
  • Yudi Wang
  • Long Xin
  • Jia You
  • Chen Fei Yu
  • Yin Yuan

The students now have their sights set on attending the Artemis competition in Nice, France, in association with NICTA

For further information contact Dr. Steven Grainger.


Students Fly Supersonic Jet Engine

15 October 2008

Launch of the Ramjet at Woomera Rocket Range
Launch of University of Adelaide Ramjet at Woomera on October 4, 2008. Multi-image high-speed photo courtesy of Tony Virgo.
 
Students in front of the ramjet
University of Adelaide Ramjet Project Team, just before attaching their ramjet payload (centred) to the Zuni accelerator rocket.

School of Mechanical Engineering students have successfully designed, constructed and test flown a supersonic ramjet engine at the Woomera rocket range as part of their final year project, where they were able to put into practise four years of University study. The project required the students to aerodynamically compress air into a combustion chamber when travelling at supersonic speed, then inject, vapourise and burn liquid fuel while at the same time deploying an array of sensors to study the aerothermal physics, both inside and outside the engine. It is an incredibly challenging task, requiring skills in fluid dynamics, structural analysis, computational fluid dynamics, combustion, mechanical design, mechatronics and project management.

The ramjet was accelerated to Mach 1.6 and achieved its aim of injection and combustion of liquid fuel while travelling at supersonic speed.

The students in the ramjet team were (from left in the photograph) Josh Carr, Lara Parkinson, Ryan Faulkner, Ed Harrison and James Tennant. Andrea Boyd (not shown), who was also part of the team, was responsible for sensor data capture and telemetry and at this time was positioned 5 km away at the data-link receiving station.

Engines such as the one designed by our students will one day be used to power high-speed jet aircraft and low-cost space launch systems. These engines are air-breathing, that is, they use the oxygen in the air to burn with fuel, eliminating the requirement to carry oxidiser thereby significantly reducing weight and cost.

This project was very generously supported by BAE Systems and the Sir Ross and Sir Keith Smith Fund. BAE Systems manufactured the ramjet to the students' specifications using a state-of-the-art computer controlled machining centre. It's a great example of how industry and academia and work together on an exciting educational project.

For further information contact Dr. Con Doolan or Dr. Vincent Wheatley .


Submarine stealth is target of new research

25 June 2008

HMAS Collins Class Submarine
One of Australia's Collins Class submarines, HMAS Collins.
Photo by the Department of Defence.

Australia's Collins Class submarines could benefit from new research at the University of Adelaide that aims to improve their stealth capabilities.

Submarines are designed to be undetectable and rely on stealth to operate effectively. But keeping such a large vessel quiet is a huge challenge.

The University's School of Mechanical Engineering will receive funding of $530,000 to investigate a new stealth solution for the Collins Class submarines. The funding has been provided under the Department of Defence's Capability and Technology Demonstrator (CTD) Program, which is managed by the Defence Science and Technology Organisation (DSTO).

"The Collins Class submarines are propelled by electric motors, which makes them almost silent," says research leader Dr Carl Howard from the School of Mechanical Engineering.

"However, if the batteries that power the electric motors become flat, they must be recharged with an electrical generator that is powered by a diesel engine. During the recharging operation the noise from the diesel engines reduces the stealth capabilities of the submarine. The aim of the project is to improve the stealth of the submarine during the recharging operation."

Dr Howard will conduct laboratory testing on improved vibration absorbers to reduce the noise - or "acoustic signature" - of the submarine.

"If the tests prove fruitful, this work could be vital in improving the operational effectiveness of the submarines," he says.

Dr Howard's work builds on the expertise within the University's Acoustics, Vibration and Control research group, which has been researching solutions for industry for more than 20 years. It also builds on the University of Adelaide's longstanding research partnership with the DSTO.

The University of Adelaide is also a partner in another CTD project aimed at creating miniaturised GPS anti-jam modules that can be easily fitted to Defence Force vehicles. The funding for this project has been awarded to Tenix Systems. Mr Matthew Trinkle from the School of Electrical & Electronic Engineering is a collaborative partner in this research.

The University of Adelaide has considerable strengths in research and education that relate specifically to the defence and security industries. Among various Masters-level degree programs run by the University are a Master of Marine Engineering, offered in conjunction with Australian defence company ASC, and a Master of Sciences (Defence Signal Information Processing), which is part of the Continuing Education Initiative program conducted by DSTO.

For more information about defence and security research and education at the University, visit: www.adelaide.edu.au/desec

Additional details about this media release can be found at http://www.adelaide.edu.au/news/news27361.html


Gyro-therm burner ignites a flame in Sweden

20 June 2008

Testing the Gyro-therm burner at the MEFOS pilot-scale facility in Lulea, Sweden.
Testing the Gyro-therm burner at the MEFOS pilot-scale facility in Lulea, Sweden.

The University of Adelaide's Gyro-therm burner technology has taken a big step forward through an international partnership with Swedish steel company LKAB, industrial research company MEFOS, and local company FCT-Combustion. This partnership has supported the first pilot-scale trials of the burner firing pulverised fuels in a rotary iron pellet kiln. Those trials measured a 40% reduction in NOx emissions with this burner than with the best alternative configurations, when corrected to the same wall temperature to account for the higher heat flux. "The success of these pilot-scale trials has justified a full-scale trial scheduled for September in an iron pellet kiln in our Kiruna plant" said Mr Stefan Savonen, LKAB's Manager for Energy and Environment. "LKAB is also pleased to be a partner with The University of Adelaide, FCT-Combustion and Lulea University of Technology, in an ARC Linkage grant application to further develop the technology for our kilns".

Gyrotherm burner
The Gyro-therm burner and pilot-scale kiln at MEFOS in action.
The Gyro-therm burner was invented in the School of Mechanical Engineering during the PhD thesis of Graham "Gus" Nathan under the supervision of Professor "Sam" Luxton and first patented in 1988. Since then, an extensive research program on this burner has been undertaken by the Fluid Mechanics Energy and Combustion (Fluid-MEC) Research Group of the Faculty, which also comprises staff from Chemical Engineering and Applied Mathematics. "Since its invention, 15 PhD and 2 Masters theses have been undertaken by our group, leading to 36 journal papers, 75 peer-reviewed conference papers and 4 patents" said Gus, now a professor in the School. "This research by our team is under-pinning the commercial development and application of the technology".

The Gyro-therm burner was first tested in a gas-fired cement kiln of the Angaston plant of Adelaide Brighton Cement in 1991 under Mr Con Manias, now Managing Director of FCT-Combustion. "We knew that the technology had real potential when we demonstrated for the first time, a reduction in NOx emissions by over 50% and an increase in fuel efficiency by about 8%" Con said. "Nevertheless, a lot of further research and development has been required to take the technology from firing gas to pulverised fuels". Since those trials Con has championed the commercial application of the technology through FCT-Combustion, which holds the commercial rights to the technology. "The success of these trials also provide a strong boost to our plans to apply the technology to pulverised fuel burners in the cement and lime industries", Con said.