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Researchers help green light the record-breaking 425 mph Jet Reaction bike

Date:
November 2, 2012
Source:
University of Huddersfield
Summary:
Researchers in the UK could help ensure that a daring Briton soon becomes the fastest man on two wheels, reaching speeds of 425 miles per hour and beyond. Richard Brown is determined to wrest back the world motorcycle land-speed record for Britain with his machine Jet Reaction, powered by an afterburning jet based on a helicopter engine. It develops massive power, but it has taken the team behind the project into new scientific and technological territory.

Richard Brown is determined to wrest back the world motorcycle land-speed record for Britain with his machine Jet Reaction, powered by an afterburning jet based on a helicopter engine (pictured being tested at RAF Benson).
Credit: Image courtesy of Jet Reaction

Research at the University of Huddersfield could help ensure that a daring Briton soon becomes the fastest man on two wheels, reaching speeds of 425 miles per hour and beyond.

Richard Brown is determined to wrest back the world motorcycle land-speed record for Britain with his machine Jet Reaction, powered by an afterburning jet based on a helicopter engine.

It develops massive power, but it has taken the team behind the project into new scientific and technological territory. How will a jet-powered two-wheeler behave at such speeds? The Jet Reaction engineers decided that in addition to their own aerodynamic tests they would call on experts with special expertise in flow science.

So they contacted Professor Rakesh Mishra of the University of Huddersfield and he agreed to carry out a detailed aerodynamic investigation of Jet Reaction. For this, he enlisted PhD researcher Taimoor Asim, who is a specialist in the increasingly important field of Computational Fluid Dynamics (CFD).

Richard Brown furnished Taimoor with computer files containing the design and the dimensions of Jet Reaction, and the Huddersfield researcher spent three months carrying out a detailed analysis of the ways in which air would flow around the elongated machine, with its specially-designed nose cone.

It was a complex task that needed the full power of a 12-core computer newly available to Taimoor.

"At such a high speed as 425 mph, the air becomes compressible. Modelling of compressible flows using Computational Fluid Dynamics is quite challenging," said Taimoor.

"Jet Reaction wanted to know if they would be able to attain that speed and if there are any safety risks involved. At such speeds, will the bike be stable enough?"

Taimoor ran a long series of computer simulations and found the project fascinating and valuable. It gave him a chance to investigate the effects of compressibility of air on the aerodynamic behaviour of a motorbike.

When the project was completed, the results were sent to Richard Brown. The University of Huddersfield researchers were then told that their data, using CFD techniques, was a close match to the experimental findings of the Jet Reaction team.

"We were very pleased to hear that!" said Taimoor.

Jet Reaction has paid tribute to the University of Huddersfield work: "When designing a vehicle to travel at very high speed, although aerodynamic principles are incorporated at the initial concept, it is essential to verify the principle applied.

"The main aim of this report was to analyse the aerodynamic effect on Jet Reaction as it reaches its target speed of 425 mph. This excellent report has verified the design and allowed Jet Reaction to continue to the next phase of manufacturing the bike."

Taimoor Asim, aged 27, was born in Lahore, Pakistan, and did his first degree there before coming to Huddersfield and scoring a distinction for his MSc in automotive systems. After two years lecturing in his home city he took up an opportunity to return to the University of Huddersfield for PhD study supervised by Professor Mishra.

Taimoor praises the environment and the facilities at Huddersfield and is keen to do further research once his PhD, now in its final year, is completed. Computational Fluid Dynamics is becoming vital in a wide range of industries, including oil and gas.


Story Source:

The above story is based on materials provided by University of Huddersfield. Note: Materials may be edited for content and length.


Cite This Page:

University of Huddersfield. "Researchers help green light the record-breaking 425 mph Jet Reaction bike." ScienceDaily. ScienceDaily, 2 November 2012. <www.sciencedaily.com/releases/2012/11/121102115157.htm>.
University of Huddersfield. (2012, November 2). Researchers help green light the record-breaking 425 mph Jet Reaction bike. ScienceDaily. Retrieved July 24, 2014 from www.sciencedaily.com/releases/2012/11/121102115157.htm
University of Huddersfield. "Researchers help green light the record-breaking 425 mph Jet Reaction bike." ScienceDaily. www.sciencedaily.com/releases/2012/11/121102115157.htm (accessed July 24, 2014).

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