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Research Journal of Engineering and Technology
Year : 2016, Volume : 7, Issue : 2
First page : ( 59) Last page : ( 63)
Print ISSN : 0976-2973. Online ISSN : 2321-581X.
Article DOI : 10.5958/2321-581X.2016.00013.1

Performance Evaluation of a Diesel Car at Different Atmospheric Temperatures

Pal R.K.*

Dept. of Mechanical Engineering, Panjab University SSG Regional Centre, Hoshiarpur

*Corresponding Author Email: ravinder_75@yahoo.com

Online published on 18 October, 2016.

Abstract

A large part of the world energy utilization is in transport sector of which an enormous amount of the energy expenditure is in the road transport only. Further, increase in road transport energy consumption is around three times higher as compared to energy consumption for non-road transport modes. The energy expenditure in transport sector can be reduced by improvement in the engine thermal efficiency. In the present work trials were performed on a diesel car at different speeds and atmospheric temperatures throughout the year. Higher engine thermal efficiency and mileage were obtained for April and from July to October. The highest values of the engine thermal efficiency and mileage were 37.93% and 24.75 km/litre respectively at speed 1580 rpm, torque 51 Nm and average atmospheric temperature of 297 K for the month of September. Lesser bsfc of the engine was obtained for the month of April and from July to October. The least value of bsfc was 0.218 kg/kWh at 1580 rpm, torque 51 Nm and average atmospheric temperature of 297 K for the month of September. The atmospheric temperature is more suitable in April and from July to October for a diesel car.

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Keywords

Atmospheric Temperature, Speed, Torque, Brake Specific Fuel Consumption, Thermal Efficiency.

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