The Rolling Resistance of Some 13 Inch Tires and the Correlation Between Rig and Road

Ivens, Joris

doi:10.4271/870422

Cited by 6 publications

(2 citation statements)

References 12 publications

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“…The advantages of choosing simple models lies in the possibillity of obtaining an analytical solution to the differential equation model as in, e.g., Ivens (1987), thus greatly reducing the computational demands. In Petrushov (1997), the analytical solution is used to convert the velocity-time function to distance-time instead, thus reducing error sources.…”

Section: Rolling Resistance Macromodelingmentioning

confidence: 99%

Rolling Resistance Measurement and Model Development

et al. 2015

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Section: Rolling Resistance Macromodelingmentioning

confidence: 99%

Rolling Resistance Measurement and Model Development

et al. 2015

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“…Similar approaches based on deceleration measurement have been applied also to swimming, 8 ice skating 9 and bobsleighing. 10 At the industrial level, the automotive industries make a wide use of such kinds of tests [11][12][13][14] that are also defined by Society of Automotive Engineers (SAE) Recommended Practices 15,16 and combined with laboratory and wind tunnel results. 17…”

Section: Introductionmentioning

confidence: 99%

Proposal of a coast-down model including speed-dependent coefficients for the retarding forces

Baldissera

2016

Proceedings of the Institution of Mechanical Engineers, Part P:

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Coast-down techniques are widely used on bicycles and motorized vehicles in order to estimate retarding forces and respective coefficients. The mathematical model behind coast-down data analysis is usually based on the assumption that both drag and rolling-resistance coefficients do not depend on the vehicle speed. This assumption restricts the model validity to the specifically tested range of speeds and provide averaged values for the force coefficients. In the attempt to overcome this limitation, the proposal of a complete polynomial equation of motion is developed, evaluated and discussed through a human-powered vehicle case study. The analysis points out that the extended model is adequate for experimental data fitting and could potentially provide a more reliable power-speed prediction outside the testing range. However, the expressions included in the model in order to account for speed-dependent coefficients is a first approximation with limited capability to represent these complex phenomena. As a consequence, further experimental testing is needed in order to achieve a validation. Advantages and side effects of both the classical and the complete polynomial models are discussed, concluding that the two approaches could be complementary and could answer different needs that specifically depend on the purpose of the coast-down analysis.

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Rolling Resistance Effect of Tire Road Contact in Electric Vehicle Systems

Arat

Bolarinwa

2015

SAE Technical Paper Series

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The Rolling Resistance of Some 13 Inch Tires and the Correlation Between Rig and Road

Cited by 6 publications

References 12 publications

Rolling Resistance Measurement and Model Development

Rolling Resistance Measurement and Model Development

Proposal of a coast-down model including speed-dependent coefficients for the retarding forces

Rolling Resistance Effect of Tire Road Contact in Electric Vehicle Systems

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