Call For Paper Volume:4 Issue:6 Jun'2017

DYNAMIC ANALYSIS OF WATT AND MODIFIED WATT GOVERNOR TO INCREASE MINIMUM SPEED

Publication Date : 23/02/2016



Author(s) :

SURARAPU GIRIBABU , Mekala Rajitha , Uotkuri Nagamani.


Volume/Issue :
Volume 3
,
Issue 2
(02 - 2016)



Abstract :

The function of the governor is to maintain the mean speed of the engine with in specified limits whenever there is a variation of the load. The objective of our investigation is modifying the Watt Governor (pendulum type) to increase minimum speed limit. Generally we seen that watt governor is best suitable for 60-80r.p.m [4] minimum speeds only, in our study we extend lower arm and fly ball position of the watt governor to the downside from the intersection of link and arm, and then we derive the equation for governor speed. This analysis carried out by extension of lower links of the governor and position of fly balls. And also identify the stress concentration areas, areas which are most susceptible to failure when governor is rotating about its axis, also the value of these stresses is measured. This analysis is carried out with the help of PRO E and ANSYS. Effect of the “WEIGHT OF THE ARMS” is the major area of concern for our study and all the calculations are done considering the weight of the arms. Weight of the arms acts on the centroid of the arms and when the governor assembly rotates, centrifugal force starts acting on the centroid of the arms and tends to deflect the arms, this deflection or bending is to be observed. In our work, we have done the Stress analysis on a particular configuration of governor assembly and then various materials are suggested on a theoretical basis.


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DYNAMIC ANALYSIS OF WATT AND MODIFIED WATT GOVERNOR TO INCREASE MINIMUM SPEED

February 9, 2016