ACTION AS A CRITERION OF THE CAR OPERATING EFFECTIVENES

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Transport Problems

Silesian University of Technology

Subject: Economics , Transportation , Transportation Science & Technology

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VOLUME 11 , ISSUE 2 (June 2016) > List of articles

ACTION AS A CRITERION OF THE CAR OPERATING EFFECTIVENES

Stefan POSTRZEDNIK *

Keywords : car effectiveness, action as a criterion, operating parameters, road car tests

Citation Information : Transport Problems. Volume 11, Issue 2, Pages 91-101, DOI: https://doi.org/10.20858/tp.2016.11.2.9

License : (CC BY-SA 4.0)

Received Date : 16-January-2015 / Accepted: 21-May-2016 / Published Online: 02-February-2017

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ABSTRACT

Summary. Currently used criteria for determining car operating efficiency in road traffic are, among others, emission of harmful substances, consumption of engine driving fuels, technical service and reliability of operation, safety of use. The operational characteristics of the car in terms of engine driving fuel consumption data is usually recognised as so-called road specific fuel consumption. An important deficiency of this approach is the failure to take into account the influence of the time on the journey’s effectiveness and the final result of the entire project. To obtain a new solution in this range in the analysis, a quantity called "action", which at last will be treated as the criterion of the car
operating effectiveness, was used. The quantity of action is the product of the performed work and its realisation time. Many phenomena and processes in nature take place according to the principle of "minimum of action" − this criterion can be applied in the analysis of the car’s operating efficiency taking place in road traffic. An approach of this 
issue is presented in this article, wherein the basic data for analysis were obtained in the framework of the car tests performed at the real traffic conditions.

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