Industry Opinion

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Effective mass continued...

Alan Thomas, director of research and consultancy at CAVT, in the UK, follows up on Joe Walter’s latest column on effective mass, to reiterate a basic engineering principle that is often overlooked by the automotive industry

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Alan Thomas, director of research and consultancy, CAVT

Data directory: Tire materials supply to grow by 3.1%

Smithers Rapra’s new report The Future of Tyre Raw Materials to 2021 provides exclusive insight into the key threats, opportunities and disruptive technologies that could shape tire material supply and demand

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by Roger Rothon, consultant, Smithers Rapra

The tire's place in fuel economy

Vehicle fuel energy is consumed not only in linear motion, but also in overcoming the inertia of rotating components. These spinning components create a dynamic response, known as an ‘effective mass’, that seemingly increases the overall bulk of an accelerating vehicle. This virtual mass, added to vehicle weight as an equivalent non-rotating constituent, adversely affects the acceleration performance and fuel economy of all road cars

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by Joe Walter

Effective use of FE modeling

The Young Scientist Prize winner explains why he believes that FE modeling is only worthwhile for tire makers and invites industry members to give successful examples of the commercial deployment of tire FE models outside tire companies

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by Gregory Smith

The final chapter

At the 2015 Tire Technology Expo, long-time TTI contributor Roger Williams received a Lifetime Achievement Award. In his final column for TTI, Roger looks back on a 55-year career that began at the age of 17 working with cross-ply tires at Dunlop

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by Roger Williams

Air springs, hovercraft and tires

Walter considers the similarities between the role of tires and air springs

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by Joe Walter

Better rolling resistance measurement

Smith considers the pros and cons of rolling resistance measurement methods and strong contenders for improvement

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by Gregory Smith

Collaboration between tire and road experts

Discussions on road surface noise generation lead Roger Williams to speculate on the possibilities for better surface modeling. Is it time to agree on an ideal surface and tune tire properties accordingly?

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by Roger Williams

Damage limitation

Just as roads wear tires, tires also wear roads. Walter considers the extent of pavement surface damage from tires

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by Joe Walter

Challenges of force and moment testing

The second installment from our new columnist Gregory Smith

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by Gregory Smith

Testing tires in the simulator

The extent to which simulators can be used to test tires has long been a subject of debate and is still an area of research requiring significant improvements. We speak to leading experts to ask their opinions on the matter

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The importance of using recycled tires

Discarded tires must continue to be reused for other purposes!

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by Joe Walter

Tire trade associations

Roger Williams wonders whether tire trade associations have
become outdated. Will they take up the mantle of promoting
new, more ambitious performance standards for the future?

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by Roger Williams

Alternative fossil fuels

Our columnist considers the commercial challenges facing fossil fuel alternatives

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by Joe Walter

What do lightbulbs and tires have in common?

Roger Williams observes that once upon a time, tires and light bulbs both tended to fail at the most inconvenient times. Today, however, they follow a common path of development…

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by Roger Williams

Tire tread patterns: a potted history

If it didn’t rain and roads remained dry, there would be no need for tread patterns in all their detailed variety...

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by Joe Walter

When will tires last as long as vehicles?

The answer to raw material shortages on the back of rising demand for tires could be to introduce much longer-lasting designs

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by Roger Williams

Fairness or otherwise?

The USA has a long history of trade conflicts with other nations, but more recently the main focus has been on confrontations with Japan and China...

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by Joe Walter

Indirect TPMS could be the key to intelligent tires

The electronic integration of the tire with the vehicle has made slow progress. Roger Williams wonders whether advances in indirect TPMS show that the intelligent tire could be achieved by other means

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by Roger Williams

Tire material effects

The environmental, safety and health-related effects of different materials

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by Joe Walter

Vehicle OEMs at the Tire Technology Conference

The Tire Technology Expo and Conference has successfully
evolved to include raw materials. Now it’s time that the vehicle
manufacturers joined in, to complete the tire technology circle

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by Roger Williams

How could tire weight be reduced?

It is generally acknowledged that the automobile’s most complex, safety-critical component is the pneumatic tire – a remarkable combination of cord, rubber and steel...

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by Joe Walter

Tire trends in 2014

Roger Williams assesses the tire ‘fashions’ on parade in 2014 and beyond, and wonders whether vehicle manufacturers will ever keep up with the pace of innovation in tire science and engineering

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by Roger Williams

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