Vegetable Oils as Fuels for Internal Combustion Engines: A Review

Bhattacharyya, S. K.; Reddy, Chaganti Srinivasa

doi:10.1006/jaer.1994.1015

Cited by 80 publications

(38 citation statements)

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“…The different techniques are blending with diesel fuel, micro-emulsification with methanol or ethanol, thermal cracking, and conversion into biodiesels through the transesterification process. Among these transesterification process is most widely used [2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Effects of open combustion chamber geometries on the performance of pongamia biodiesel in a DI diesel engine

Jaichandar¹,

Annamalai

2012

Fuel

127

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Section: Introductionmentioning

confidence: 99%

Effects of open combustion chamber geometries on the performance of pongamia biodiesel in a DI diesel engine

Jaichandar¹,

Annamalai

2012

Fuel

127

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“…The use of vegetable oils in diesel engines, either in crude form or as their derived esters, has received increasing attention (1)(2)(3)(4)(5). Among the advantages of vegetable oils as alternative fuels are that they are nontoxic, they are safely stored and handled because of their high flash point, they are renewable energy sources, and they have net zero CO 2 emission and negligible SO 2 generation.…”

mentioning

confidence: 99%

Temperature effect on the viscosities of palm oil and coconut oil blended with diesel oil

Tangsathitkulchai

Sittichaitaweekul

Tangsathitkulchai

2004

J Americ Oil Chem Soc

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One of the major difficulties in using crude vegetable oils as substitute fuels in diesel engines is their relatively high viscosities. Increasing the temperature of the crude vegetable oil, blending it with diesel oil, or the combination of both offers a simple and effective means of controlling and lowering the viscosities of vegetable oils. This work reports viscosity data, determined with a rotational bob-and-cup viscometer, for crude palm oil and coconut oil blended with diesel oil over the temperature range of 20-80°C and for different mixture compositions. All the test oil samples showed a time-independent Newtonian type of flow behavior. The reduction of viscosity with increasing liquid temperature followed an exponential relationship, with the two constants of the equation being a function of the volume percentage of the vegetable oil in the mixture. A single empirical equation was developed for predicting the viscosity of these fuel mixtures under varying temperatures and blend compositions.

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“…Several investigations show significant performance variations obtained among various types of these oils (Ramadhas et al 2004;Nwafor 2003;Bhattacharyya and Reddy 1994). Of course, those effects vary in dependence of engine load, engine speed, feedstock homogeneity, ambient conditions, engine type, and injection type.…”

Section: Vegetable Oils Bioethanol and Biodieselmentioning

confidence: 98%