Construct · 1 fields · 1 citations

rolling resistance: a standalone construct

One name. One construct. A landmark on the map.

● anchor · the drag on a rolling wheel Nearest construct by meaning·not indexed
rollingresistance1 CONSTRUCTRolling resistanceGILLESPIE · TIRE DRAG

A single standalone construct; nearby constructs are located against it in the Collider. Tap a field for its definition, unit, and measures.

Vehicle dynamics

The force that quietly opposes a rolling wheel

In vehicle dynamics, rolling resistance is the force that opposes the steady rolling of a wheel on a surface, arising chiefly from hysteretic energy loss as the tire repeatedly deforms and recovers in the contact patch, with smaller contributions from the road's deflection and from slip. Gillespie's Fundamentals of Vehicle Dynamics expresses it through a rolling-resistance coefficient that scales with load and varies with speed, inflation, temperature, and pavement surface. The referent is a motion-opposing force of the tire-road system, a major term in a vehicle's energy budget and fuel economy, and it links tire design to pavement stiffness and texture.[1]

Unit
Rolling-resistance force (N) or the dimensionless coefficient (force per unit load)
Recovery means
Not applicable
Measured by
Measured on drum or road test rigs as the force or coefficient per unit load, across speed, inflation, temperature, and surface

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Nearby constructs

macrotexture1 fields · 1 citationsanchor · the coarse texture of a road surfacecontact2 fields · 3 citationsjingle · one word, two constructsdeflection4 fields · 7 citationsjingle · one word, four constructs

References

  1. Gillespie, T. D. (1992). Fundamentals of vehicle dynamics. Society of Automotive Engineers. ISBN 9781560911999

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