Biodiesels derived from vegetable oils present a very promising alternative fuels for diesel fuel, since they have numerous advantages compared to fossil fuels. However crude vegetable oil and biodiesel have high viscosity and low volatility causing combustion problems in CI engines, call for engine with hot combustion chamber. Investigations were carried out on single–cylinder, four–stroke, water cooled, 3.68 kW direct injection diesel engine at a speed of 1500 rpm to evaluate the performance of a engine with low heat rejection (LHR) combustion chamber. It consisted of an air gap (3 mm) insulated piston with superni (an alloy of nickel) crown and an air gap (3 mm) insulated liner with superni insert and ceramic coated cylinder head fuelled with different operating conditions (normal temperature and preheated temperature) of waste fried vegetable oil and its biodiesel with varied injection timing and injector opening pressure. Engine with LHR combustion chamber with biodiesel showed improved performance over conventional engine (CE) at 27° bTDC and at optimum injection timing. Biodiesel showed improved performance over crude vegetable oil with engine with both versions of the combustion chamber. Preheated test fuels and increase of injection pressure showed reduction of pollution levels and marginally improved performance over normal test fuels.
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ASME 2015 International Mechanical Engineering Congress and Exposition
November 13–19, 2015
Houston, Texas, USA
Conference Sponsors:
- ASME
ISBN:
978-0-7918-5750-2
PROCEEDINGS PAPER
Experimental Investigations on DI Diesel Engine With Low Heat Rejection Combustion Chamber With Waste Fried Vegetable Oil and its Biodiesel Available to Purchase
Raavi Peraiah Chowdary,
Raavi Peraiah Chowdary
Chaitanya Bharathi Institute of Technology, Gandipet, India
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Maddali V. S. Murali Krishna,
Maddali V. S. Murali Krishna
Chaitanya Bharathi Institute of Technology, Gandipet, India
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T. Kishen Kumar Reddy,
T. Kishen Kumar Reddy
J .N. T. University, Hyderabad, India
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D. Srikanth,
D. Srikanth
Osmania University, Hyderabad, India
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P. V. Krishna Murthy,
P. V. Krishna Murthy
Sagar Group of Institutions, Chevella, India
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N. Janardhan
N. Janardhan
Chaitanya Bharathi Institute of Technology, Gandipet, India
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Raavi Peraiah Chowdary
Chaitanya Bharathi Institute of Technology, Gandipet, India
Maddali V. S. Murali Krishna
Chaitanya Bharathi Institute of Technology, Gandipet, India
T. Kishen Kumar Reddy
J .N. T. University, Hyderabad, India
D. Srikanth
Osmania University, Hyderabad, India
P. V. Krishna Murthy
Sagar Group of Institutions, Chevella, India
N. Janardhan
Chaitanya Bharathi Institute of Technology, Gandipet, India
Paper No:
IMECE2015-53202, V08BT10A059; 14 pages
Published Online:
March 7, 2016
Citation
Chowdary, RP, Krishna, MVSM, Reddy, TKK, Srikanth, D, Murthy, PVK, & Janardhan, N. "Experimental Investigations on DI Diesel Engine With Low Heat Rejection Combustion Chamber With Waste Fried Vegetable Oil and its Biodiesel." Proceedings of the ASME 2015 International Mechanical Engineering Congress and Exposition. Volume 8B: Heat Transfer and Thermal Engineering. Houston, Texas, USA. November 13–19, 2015. V08BT10A059. ASME. https://doi.org/10.1115/IMECE2015-53202
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