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Research on the results of the WLTP procedure for a passenger vehicle
 
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1
Mechanical Engineering, Wroclaw University of Science and Technology, Poland
 
2
Faculty of Automotive and Construction Machinery Engineering, Warsaw University of Technology, Poland
 
3
Faculty of Civil and Transport Engineering, Poznan University of Technology, Poland
 
 
Submission date: 2023-09-20
 
 
Final revision date: 2023-10-26
 
 
Acceptance date: 2023-11-29
 
 
Online publication date: 2023-12-01
 
 
Publication date: 2023-12-01
 
 
Corresponding author
Monika Andrych-Zalewska   

Mechanical Engineering, Wroclaw University of Science and Technology, Poland
 
 
Eksploatacja i Niezawodność – Maintenance and Reliability 2024;26(1):176112
 
HIGHLIGHTS
  • Assess the properties of processes describing the variables of passenger car speed.
  • Exhaust emissions from the combustion engine and fuel consumption in the WLTC dynamic test.
  • Homologation procedures for exhaust emissions.
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ABSTRACT
The article considers variables registered in the WLTP procedure. The test results of a passenger car with a compression-ignition engine have been analysed. The tests were carried out on a chassis dynamometer. The tests were performed for engine cold start and ran up to the point of reaching stabilized operating conditions. The average specific distance emissions and volumetric fuel consumption were assessed for individual test phases as well as for the entire test. It was found that the results in the first test phase, which corresponded to the engine cold start up to stabilized operating conditions, had the most significant impact on the overall exhaust emission and fuel consumption results in the test. The specific distance emissions of carbon monoxide, non-methane hydrocarbons and nitrogen oxides were by far the highest in the first phase of the test. In the fourth phase of the test, the specific distance emissions of methane and carbon dioxide turned out to be the highest, as well as the operational volumetric fuel consumption being the highest.
 
CITATIONS (1):
1.
Experimental verification of changes in the control map of a diesel engine operation due to fuel consumption
Zbigniew Jan Sroka, Rafał Heda
Combustion Engines
 
eISSN:2956-3860
ISSN:1507-2711
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