Evaluation of energy consumption in the acceleration process of a passenger car

• Autorzy: Mamala Jarosław , Graba Mariusz , Bieniek Andrzej , Prażnowski Krzysztof , Hennek Krystian , Kołodziej Szymon , Mazurek Bartosz , Sproch Maciej

Identyfikatory

DOI

10.19206/CE-142553

• Języki publikacji: EN

Abstrakty

EN

The analysis of the vehicle acceleration process is a current topic based on the aspects related to the general characteristics of the car, its parameters, design, drive unit performance, and the influence of external factors. However, the ability to accelerate is essential from the point of view of the active safety of the car. Often the dynamic parameters are determined on the basis of the car acceleration test carried out on a level road with good surface in terms of the acceleration time is not reliable and the credibility of such results depends on many factors. Therefore in the article, the authors assessed the dynamic and energy parameters of the car motion, in which the intensity of acceleration of the car with different intensities was examined. The acceleration intensity test was carried out from the set initial speed of the car of 45 km/h to the final speed of 120 km/h at a constant gear ratio, and the set intensity of the acceleration process resulted from the constant throttle with a constant deflection of the accelerator pedal. Acceleration was carried out in two variants, the first for a normal internal combustion engine and the second for the same engine but additionally equipped with a short-term boost system. In this way, it influences the increase in power and energy in the car drive system, changing its acceleration intensity. Variable car acceleration intensity was obtained in the range from 0.12 to 1.37 m/s2, and energy consumption at the level of 0.4 to 1.2 MJ in the distance of 1/4 mile. The article proposes a combination of energy parameters and engine power in order to assess the acceleration dynamics, for this purpose, the specific energy consumption of the car was determined, ranging from 0.35 to 2.0 J/(kg∙m), which was related to the engine power, denoting it with the dynamics index. The study focuses on the assessment of the relationship between the specific energy consumption and acceleration of passenger cars in the available powertrain system using a new dynamics index. The proposed dynamics index combines the energy and dynamic parameters of the car to be able to objectively quantify the acceleration process.

Słowa kluczowe

EN

acceleration; energy consumption; vehicle dynamic; dynamic index

PL

przyspieszenie; zużycie energii; dynamika pojazdu; wskaźnik dynamiki

• Wydawca: Polskie Towarzystwo Naukowe Silników Spalinowych
• Czasopismo: Combustion Engines
• Rocznik: 2022
• Tom: R. 61, nr 3
• Strony: 35--44
• Opis fizyczny: Bibliogr. 27 poz., fot. kolor., 1 rys., wykr.

Twórcy

autor

Mamala Jarosław

• Faculty of Mechanical Engineering, Opole University of Technology
• CEO, Science & Technology Park in Opole

• https://orcid.org/0000-0001-9422-6374

autor

Graba Mariusz

• Faculty of Mechanical Engineering, Opole University of Technology

• https://orcid.org/0000-0002-3559-0405

autor

Bieniek Andrzej

• Faculty of Mechanical Engineering, Opole University of Technology

• https://orcid.org/0000-0001-7447-6624

autor

Prażnowski Krzysztof

• Faculty of Mechanical Engineering, Opole University of Technology

• https://orcid.org/0000-0002-9008-0635

autor

Hennek Krystian

• PhD student in the Faculty of Mechanical Engineering, Opole University of Technology

autor

Kołodziej Szymon

• Faculty of Mechanical Engineering, Opole University of Technology

autor

Mazurek Bartosz

• PhD student in the Faculty of Mechanical Engineering, Opole University of Technology
• R&D, Science & Technology Park in Opole

autor

Sproch Maciej

• student in the Faculty of Mechanical Engineering, Opole University of Technology
• R&D, Science & Technology Park in Opole

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).