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Increasing the Efficiency of Heavy, Commercial Vehicles With Simultaneous Reduction of Energy Consumption and Road Loading
Technical Paper
785025
Sector:
Language:
German
Abstract
The economics of commercial transport depends upon vehicle
parameters such as weight and drivetrains and upon driving methods
and road design. Energy consumption is one aspect of the total
transportational costs. The paper investigates these costs and
suggests areas of improvement.
The general design and individual components of the engine and
drivetrain are studied in terms of energy efficiency. Then
characteristics of the vehicle as a whole are analyzed (weight,
rolling resistance). Driving characteristics of the operator and
the influence of traffic are also described. Subsequently, the
stress loading of roadways is discussed. The evaluation of these
different sub-topics leads to a compilation of potential cost
reductions for various categories of modifications of the
vehicle-driver-roadway system (e.g., changes in engines,
transmissions, permissible weights, permissible axle loadings,
aerodynamic spoilers, engine cooling, tires, etc.). Although
theoretically the greatest potential cost reduction requires a
radically improved control of traffic, increases in loaded-vehicle
weights represent the most realistic means of cost reduction. The
study shows how this increase can be accomplished without increased
deterioration of roadways.