Volume : 6, Issue : 4, April - 2017

EFFECT OF LUBRICANT VISCOSITY ON PERFORMANCE OF CI ENGINE

Hardik Gevariya, Kaushal Bhavsar

Abstract :

<p>&nbsp;<b style="text-align: justify;"><span style="font-size: 10pt; line-height: 115%; font-family: &quot;Times New Roman&quot;, serif;">Engine operating condition such as speed, torque and oil viscosity play a vital role in fuel economy for CI engine. Oil viscosity, oil temperature and type of friction modifiers used also play vital role in fuel economy. This research paper investigates the effect if speed, torque and luicant viscosity on friction power. Three factors: speed, torque and luicant viscosity were chosen as variables with each factor having two levels (low and high). Minitab 15 was used for investigating the most significant factors among these. The results show that at high speed, FP can be reduced as torque increase. At low speed, there is no significant change in FP with change of torque. At low torque, FP increases as speed increase. Low viscosity engine oil can improve a vehicle&rsquo;s fuel economy by decreasing the friction between the engine components.</span></b>< /> <b><span style="font-size: 10pt; line-height: 115%; font-family: &quot;Times New Roman&quot;, serif;">< clear="all" style="page-eak-before:always;mso-eak-type:section-eak" /> </span></b></p>