Experimental studies on variable compression ratio engine fuelled with cottonseed oil methyl ester biodiesel

2016 ◽  
Vol 12 (1) ◽  
pp. 81 ◽  
Author(s):  
M. Santhosh ◽  
K.P. Padmanaban
2014 ◽  
Vol 984-985 ◽  
pp. 907-912
Author(s):  
M. Santhosh ◽  
K.P. Padmanaban

This research work investigates the effects of compression ratio on engine performance characteristics of variable compression ratio engine fuelled with biodiesel. The cottonseed oil methyl ester is blended with neat diesel and used as fuel at different compression ratios i.e., 18, 19, 20, 21 and 22. The analyses of engine performances characteristics were carried out for different proportions of cottonseed oil methyl ester blends (b25, b50, b75 and b100). It is inferred that at higher compression ratio, the brake thermal efficiency attained is higher when compared to compression ratio 18. The brake specific fuel consumption for the increment of compression ratio is found to be lower at all blend ratios. The higher brake thermal efficiency was found for b50 at CR 21. It is evident that the exhaust gas temperature reduced with the increment of CR.


2009 ◽  
Vol 2 (1) ◽  
pp. 982-990 ◽  
Author(s):  
S. Ishikawa ◽  
M. Kadota ◽  
K. Yoshida ◽  
K. Takahashi ◽  
S. Kawajiri

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