Fig 3 - uploaded by Thiagarajan Srinivasan
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Comparison of Indicated Thermal Efficiency Fig 3 shows the variation on indicated thermal efficiency for different loads conditions for the fuels to be tested. It is observed from fig 3 that the indicated thermal efficiency is 39.34% (Diesel), 35.99% (CNSL), 41.7% (CNSL 95% + DPE 5%), 39.2% (CNSL 90% + DPE 10%), 32.3% (CNSL 95% + DMC 5%), 29.5% (CNSL 90% + DMC 5%). Based on the value it is clear that the maximum brake thermal efficiency is obtained for blend of DPE over CNSL for 5% and 10%. Whereas the DMC over the CNSL have low brake thermal efficiency compared to the Diesel & CNSL operation. Improvement of indicated thermal efficiency of IC Engine is required and it is achieved by effective compression ratio.
Source publication
The total fuel consumption in automobile may
lead to increase in cost of the fuel, emission rate and great
demand for fossil fuel. This lead to development in automobile
by using alternative fuels which may includes gaseous fuel,
biodiesel and vegetable oil etc. Biomass in the form of cashew
nut shell represents a new energy source for the producti...
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Citations
... The variation of the CP concerning CA for all test fuels at high engine load was analyzed and illustrated in Fig. 4. It was observed from Fig. 4, that all the fuel blends exhibit identical CP at 12 • CA. Among the fuel blends, those with higher diesel proportion namely, D70R20W10, exhibit a little higher pressure and advanced ignition [39,40]. The main reason for the diesel's superior ignition speed and combustion efficiency is due to its physicochemical properties [41]. ...
... 32.62% and 33.52% respectively. The improved BTE with biodiesel blending can be attributed to the intrinsic oxygen content in biodiesels [39]. Among the biodiesel blends, the D70R20W10 + H 2 blend showed a maximum BTE [40]. ...
