دوره 15، شماره 1 - ( 12-1403 )                   جلد 15 شماره 1 صفحات 4645-4634 | برگشت به فهرست نسخه ها

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Moosavian A, MehrabiVaghar M, Ghanbari M. Experimental Investigation on Engine Vibration Behavior Caused by Crankshaft Mechanism Under Different Lubricant Type and Temperatures. ASE 2025; 15 (1) :4634-4645
URL: http://www.iust.ac.ir/ijae/article-1-691-fa.html
Experimental Investigation on Engine Vibration Behavior Caused by Crankshaft Mechanism Under Different Lubricant Type and Temperatures. Automotive Science and Engineering. 1403; 15 (1) :4634-4645

URL: http://www.iust.ac.ir/ijae/article-1-691-fa.html

Experimental Investigation on Engine Vibration Behavior Caused by Crankshaft Mechanism Under Different Lubricant Type and Temperatures
چکیده:   (1969 مشاهده)
The main objective of this study is to investigate the vibrational behavior of the crankshaft mechanism of an IC engine operated on motoring mode as a function of the lubricant type, oil temperature. This attempt included instrumenting the engine block with accelerometers to measure horizontal and vertical vibration intensity and running the engine on an electromotor test rig in a specific test procedure namely strip-down method. The experiments were conducted with various cranktrain configurations under different engine speeds, lubricant types and oil temperatures. The results showed that vibration intensity of the cranktrain mechanism increases with increasing engine speed. This vibrations level was maximum in the highest speed. Changes in vertical vibrations caused by crankshaft in different conditions were almost similar to horizontal vibration changes. Also, the engine vibration caused by crankshaft were not affected by the oil type and oil temperature at all engine speeds, and increase in the speed had a very slight effect on this vibration. The engine vibrations due to reciprocating masses increased significantly with the speed rise, and altered by changes in oil temperature. Changing the oil type had almost no effect on vertical vibration caused by the movement of the reciprocating masses at any engine speed. But the horizontal vibration caused by them at a constant oil temperature increased by changing the oil type from 20w50 to 10w40. The experimental results showed that the contribution of the reciprocating masses from the vibrations caused by cranktrain mechanism was much higher than that of the crankshaft.
 
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نوع مطالعه: پژوهشي | موضوع مقاله: موتور احتراق داخلی
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