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Measurement of Oil Consumption of Diesel Engine by S-Trace Method
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English
Abstract
Oil consumption is able to be measured in short time by detecting SO2 concentration in exhaust gas by the “S-trace method” which uses sulfur in lubricating oil as a tracer. Application of this S-trace method to a diesel engine has not been reported yet. Our application of this method to a diesel engine has proved that S-trace method not only can replace the weight method, but also enables measurement of oil consumption in transient operation of an engine, though consideration must be paid to the accumulation of unburned oil.
This paper describes the modification of S-trace method so as to be applicable to diesel engines and some examples of oil consumption measurement in transient operation of an engine.
In certain conditions of transient operation of an engine, there is a great difference in the oil consumption data between the actual measurement and the estimation from steady state operation.
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Citation
Iizumi, S. and Koyama, T., "Measurement of Oil Consumption of Diesel Engine by S-Trace Method," SAE Technical Paper 860545, 1986, https://doi.org/10.4271/860545.Also In
References
- Hanaoka, Masanori Ise, Atsuchi Nagasaka, Mobuyoshi Osawa, Hidetoshi Arakawa, Yoshikuni Obata, Toshikazu “New Method for Measurement, of Engine Oil Consumption (S-Trace Method)” SAE Paper 790936 1979
- Hase, Yoshifumi Nakajima, Yasuo Nanbu, Shuya Murase, Isao “Nissan Oil Econometer Permits the Measurement of Engine Oil Consumption” SAE Paper 810754 1981
- Warrick Frank Dykehouse Roger “An Advanced Radiotracer Technique for Assessing and Plotting Oil, Consumption in Diesel and Gasoline Engines” SAE Paper 700052 1970