Testing of Ricardo engine under various condition
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24-12-2010, 02:19 PM

.pptx   amit ic pres.ppt.pptx (Size: 139.6 KB / Downloads: 60)

Amit Kumar Singh

To draw the graph between efficiency and compression ratio and compare with theoretical efficiency.
To draw graph between brake specific fuel consumption and brake power.
To draw graph between power and throttle position.

From the graph it is clear that actual efficiency is increases with the increase in compression ratio but it is quite lower than the theoretical efficiency.
From graph between bsfc and spark timing it is clear that as the spark timing is advanced initially the bsfc decreases and afterward it increases with the advanced spark timing.
As the throttle opening is increases the power of the engine increases and between some two positions of throttle opening the power increases with very high rate.

From observation we can also see that the as the power increases due to increase in throttle position or increase in compression ratio or spark advancing the gas exhaust temperature is reduces due to more conversion of thermal efficiency in the power.
Mass flow rate also increases with the increase in compression ratio.

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