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2 2004

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Using the manufactured part enclosed transducers to control the automotive engine's way of working

Chereches T., Copae I.

Zeszyty Naukowe Politechniki Rzeszowskiej. Mechanika

2004

z. 62 [209]

43--48

The paper underlines the necessity of implementing specialized transducers as components of the manufactured parts that could provide real-time information concerning the working process of the technical processes, especially for the automobiles. It is also underlined that modern technique and technologies provide normal working conditions, satisfying all the inquired demands, even under the conditions of manufacturing lack of accuracy, mounting, tuning and maintenance, due to the electronic control of the incorporated transducers. Some examples of functional interactions are presented, using the experimental data got during testing a car. It is also underlined the necessity of a minimal set of transducers and executive devices that should allow a working regime within the imposed conditions taking into account the normal wear of the system.

Theoretical and experimental study of the automotive fuel saving

Copae I., Chereches T.

Zeszyty Naukowe Politechniki Rzeszowskiej. Mechanika

2004

z. 62 [209]

49--54

The paper presents some theoretical considerations concerning the energetic efficiency and fuel saving of the machines, as a general issue, and of the automotive as a specific issue. The paper also presents experimental aspects with respect to the vehicle's fuel consumption. The main assessment indices of the vehicle's and engine's fuel saving are stressed. Theoretical and experimental results, according to some test data are provided. The work also makes some connections to the fuel usage efficiency and the components of the energetic balance are presented. The work makes a comparison between the fuel consumplion and the degree of the energy usage for different working conditions of the vehicles that have electronically controlled engines and mechanical transmissions.