Effect of Load and Other Parameters on Instantaneous Friction Torque in Reciprocating Engines 910752
The effect of many operating parameters on the instantaneous frictional (IFT) torque was determined experimentally in a single cylinder diesel engine. The method used was the (P - ω)method developed earlier at Wayne State University. The operating parameters were load, lubricating oil grade, oil, temperature and engine speed. Also IFT was determined under simulated motoring conditions, commonly used in engine friction measurements. The results showed that the motoring frictional torque does not represent that under firing conditions even under no load. The error reached 31.4% at full load. The integrated frictional torque over the whole cycle and the average frictional torque were determined. A comparison of the average frictional torque under load was compared with the average motoring torque.
Citation: Marek, S., Henein, N., and Bryzik, W., "Effect of Load and Other Parameters on Instantaneous Friction Torque in Reciprocating Engines," SAE Technical Paper 910752, 1991, https://doi.org/10.4271/910752. Download Citation
Author(s):
Stanley L. Marek, Naeim A. Henein, Walter Bryzik
Affiliated:
Wayne State University
Pages: 11
Event:
International Congress & Exposition
ISSN:
0148-7191
e-ISSN:
2688-3627
Related Topics:
Lubricating oils
Education and training
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