THERMAL SCIENCE

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An experimental investigation on a low heat rejection diesel engine using waste plastic oil with different injection timing

ABSTRACT
The disposal of waste plastic solids are becoming more than a crisis with respect to environmental safety. Proper disposal system may either be very expensive or leads to side effect. Hence researchers are looking for suitable methods to reuse them. Oils as substitute for petroleum products in IC engines are gaining focus in India, because of its potential to generate large scale employment and relatively low environmental poverty.The present work aims at utilizing this Waste Plastic Oil (WPO) in a Low Heat Rejection (LHR) retarded timing engine whose combustion chamber surface is coated with PSZ ceramic. The influence of fuel injection timing was studied to completely understand the WPO performance in LHR engine. The results revealed great improvement in performance, emission and combustion characteristics. As a compensation, NOx formation was slightly increased. Overall performance of the LHR engine with WPO fuel was better with 14⁰ BTDC retarded injection time.
KEYWORDS
PAPER SUBMITTED: 2019-04-14
PAPER REVISED: 2019-05-08
PAPER ACCEPTED: 2019-06-03
PUBLISHED ONLINE: 2019-10-06
DOI REFERENCE: https://doi.org/10.2298/TSCI190414359P
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