Experimental investigations of comparative performance,emission and combustion characteristics of a cottonseed biodiesel-fueled four-stroke locomotive diesel engine

Abstract

A large-bore, four-stroke, medium-speed, compression-ignition railway traction locomotive engine was fueled with cottonseed methyl ester (Biodiesel). The cottonseed methyl ester was stored for 6 months under ordinary storage conditions, and various fuel properties of this seasoned cottonseed methyl ester were evaluated. Various blends of cottonseed methyl ester (B10, B20, B50 and cottonseed methyl ester) were evaluated for engine performance, emissions and combustion characteristics of the locomotive engine compared to baseline diesel. Correlation of the fuel-injection performance parameters with the physical properties of biodiesel has been carried out. The engine was able to operate on cottonseed methyl ester without noticeable power loss. With cottonseed methyl ester, the thermal efficiency decreased marginally by 0.7% and the brake-specific energy consumption increased by 0.1 MJ/kWh at the rated power. Due to the lower calorific value of biodiesel, brake specific fuel consumption (BSFC) increased by 13.4% at eighth engine notch, nitrogen oxide emissions increased by 8% and particulate matter emissions decreased by 32% vis-a-vis mineral diesel. Nitrogen oxide emissions were found to be a function of injection timings, global oxygen/carbon ratios, time of the maximum mean in-cylinder temperatures and apparent heat release. Particulate matter emissions were found to depend on the air–fuel mixture’s oxygen/carbon ratio, fuel bound oxygen and fuel-injection pressure. The experiments were carried out to evaluate the in-cylinder pressure, heat-release rate, cumulative heat release, fuel-injection pressure, needle lift and fuel-injection velocities. Increased fuel-injection pressures (1000 bar compared to 900 bar for mineral diesel), advanced fuel-injection timings, shorter combustion duration, advanced in-cylinder pressures and higher heat-release rates were observed for biodiesel and blends. The findings of the present study have provided further insights into the combustion of biodiesel in locomotive engines.

Keywords

Locomotive engine cottonseed biodiesel heat-release rate combustion analysis performance and emissions

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References

Umer

Farooq

Gerhard

. Evaluation of biodiesel obtained from cottonseed oil. Fuel Process Tech 2009; 90: 1157–1163.

Nabi

Rahman

Akhter

. Biodiesel from cottonseed oil and its effect on engine performance and exhaust emissions. Appl Thermal Eng 2009; 29: 2265–2270.

Rakopoulos

Hountalas

. Performance and emissions of bus engine using blends of diesel fuel with bio-diesel of sunflower or cottonseed oils derived from Greek feedstock. Fuel 2008; 87: 147–157.

Agarwal

Dhar

. Performance, emission and combustion characteristics of Jatropha oil blends in a direct injection CI engine. SAE paper 2009-01-0947, 2009.

Ben

Terry

Simonton

. Economic analysis and feasibility of cottonseed oil as a biodiesel feedstock. Final Report Project No. 1316-C059, Center for Engineering Logistics and Distribution Industrial Engineering Department, Texas Tech University, 2008.

Capareda

Powell

Parnell

. Engine performance and exhaust emissions of cottonseed oil biodiesel. In: 2008 beltwide cotton conferences, Nashville, TN, January 2008.

Savvidis

Grammatikis

Trandafyllis

. Measuring the performance and the environmental effects of four-stroke diesel engines operated on the same plant oil methyl ester mixtures in two laboratories. SAE paper 2007-01-2022, 2007.

Savvidis

Traindafyllis

Grammatikis

. Influence of various blends cottonseed methyl ester biodiesel on steady state emissions using an old technology Ford Escort on a chassis dynamometer. SAE paper 2007-01-4062, 2007.

National Cottonseed Products Association. Cottonseed oil, http://www.cottonseed.com/publications/csobro.asp.

10.

McCormick

Graboski

Alleman

. Impact of biodiesel source material and chemical structure on emissions of criteria pollutants from a heavy duty engine. Environ Sci Technol 2001; 35: 1742–1747.

11.

US Environmental Protection Agency. Title 40 - Protection of environment code of federal regulations part 92: control of air pollution from locomotives and locomotive engines.

12.

Frey

Choi

Kim

. Measurement of the energy use and emissions of passenger rail locomotives using a portable emission measurement system. In: Proceedings of 102nd annual conference and exhibition Air and Waste Management Association, Detroit, MI, June 2009, paper 2009-A-243-AWMA.

13.

Assanis

Poola

Sekar

. Study of using oxygen-enriched combustion air for locomotive diesel engines. J Eng Gas Turbine Power 2001; 121(1): 157–166.

14.

Poola

Sekar

. Reduction of NO_x and particulate emissions by using oxygen-enriched combustion air in a locomotive diesel engine. J Eng Gas Turbine Power 2003; 125(2): 524–533.

15.

Chen

Flynn

Gallagher

. Development of the low-emission GE-7FDL high-power medium-speed locomotive diesel engine. J Eng Gas Turbine Power 2003; 125(2): 505–512.

16.

Nerheim

Liang

. Development of the DLoco DL240ZJ engine to comply with current and future emissions regulations. In: CIMAC congress, Vienna, 2007.

17.

Fritz

. Evaluation of biodiesel fuel in an EMDG P38-2 locomotive. NREL Report No. NREL/SR-510-33416.

18.

Miyamoto

Ogawa

Nurun

. Smokeless low NO_x high thermal efficiency and low noise diesel combustion with oxygenated agents as main fuel. SAE paper 980506, 1998.

19.

Siebers

Higgins

. Flame lift-off on direct-injection diesel sprays under quiescent conditions. SAE paper 2001-01-0530, 2001.

20.

Flynn

Durrett

Hunter

. Diesel combustion: an integrated view combining laser diagnostics, chemical kinetics and empirical validation. SAE paper 1999-01-0509, 1999.

21.

Szybist

Boehman

Haworth

. H. Premixed ignition behavior of alternative diesel fuel-relevant compounds in a motored engine experiment. Combust Flame 2007; 149: 112–128.

22.

Heywood

. Internal combustion engine fundamentals. New York: McGraw Hill Book Co., 1988.

23.

Agarwal

Sinha

Agarwal

. Experimental investigation of control of NO_x emissions in biodiesel-fueled compression ignition engine. Ren Energy 2006; 31: 2356–2369.

24.

Mazumdar

Agarwal

. Performance emission and combustion characteristics of biodiesel (waste cooking oil methyl ester) fueled IDI diesel engine. SAE paper 2008-01-1384, 2008.

25.

Kousoulidou

Fontaras

Ntziachristos

. Biodiesel blend effects on common-rail diesel combustion and emissions. Fuel 2010; 89: 3442–3449.

26.

Song

Zhang

. An experimental study on the performance and exhaust emissions of a diesel engine fuelled with soybean oil methyl ester. J Automobile Eng 2008; 222(12): 2487–2496.

27.

Herbinet

Pitz

Westbrook

. Detailed chemical kinetic oxidation mechanism for a biodiesel surrogate. Combust Flame 2008; 154(3): 507–528.

28.

Szybist

Boehman

Haworth

. Premixed ignition behavior of alternative diesel fuel-relevant compounds in a motored engine experiment. Combust Flame 2007; 149: 112–128.

29.

McCormick

Graboski

Alleman

. Impact of biodiesel source material and chemical structure on emissions of criteria pollutants from a heavy-duty engine. Environment Sci Tech 2001; 35(9): 1742–1747.

30.

Szybist

Boehman

Taylor

. Evaluation of formulation strategies to eliminate the biodiesel NO_x effect. Fuel Process Tech 2005; 86: 1109–1126.

31.

Vioculescu

Borman

. An experimental study of diesel engine cylinder averaged NO_x histories. SAE paper 780228, 1978.

32.

Siebers

Higgins

. Flame lift-off on direct-injection diesel sprays under quiescent conditions. SAE paper 2001-01-0530, 2001.

33.

Flynn

Durrett

Hunter

. Diesel combustion: an integrated view combining laser diagnostics, chemical kinetics and empirical validation. SAE paper 1999-01-0509, 1999.

34.

Graboski

McCormick

. Combustion of fat and vegetable oil derived fuels in diesel engines. Prog Energy Combust Sci 1998; 24: 125–164.

35.

Siebers

. Scaling liquid-phase fuel penetration in diesel sprays based on mixing-limited vaporization. SAE paper 1999-01-0528, 1999.

36.

Cardone

Prati

Rocco

. A comparative analysis of combustion process in d.i. diesel engine fueled with biodiesel and diesel fuel. SAE paper 2000-01-0691, 2000.

37.

Sinha

Agarwal

. Experimental investigation of the combustion characteristics of a biodiesel (rice-bran oil methyl ester)-fuelled direct-injection transportation diesel engine. J Automobile Eng 2007; 221(8): 921–932.

38.

Takaaki

Takayuki

Jiro

. Detailed chemical kinetic modeling of diesel spray combustion with oxygenated fuels. SAE paper 2001-01-1262, 2001.

39.

Choi

Bower

Reitz

. Effect of biodiesel blended fuels and multiple injections on DI diesel engines. SAE paper 970218, 1997.

40.

Higgins

Siebers

Aradi

. Diesel-spray ignition and pre-mixed burn behavior. SAE paper 2000-01-0940, 2000.

41.

Dec

. A conceptual model of DI diesel combustion based on laser-sheet imaging. SAE paper 970873, 1997.

42.

Luthra

. Development of fuel injection systems for diesel engines with dynamically varying timings. In: IXth national conference on IC engines and combustion IIP, Dehradun, India, 1985.

43.

Hwang

NHC

Houghtalen

. Fundamentals of hydraulic engineering systems. 3rd ed. Prentice Hall Inc., 1996.

44.

Tat

Van Gerpen

. Measurement of biodiesel speed of sound and its impact on injection timing. NREL Report No. NREL/SR-510-31462, 2003.

45.

Arcoumanis

Gavaises

Oiwa

. Application of a FIE computer model to an in-line pump-based injection system for diesel engines. SAE paper 970348, 1997.

46.

Boehman

Morris

Szybist

. The impact of the bulk modulus of diesel fuels on fuel injection timing. Energy Fuels 2004; 18(6): 1877–1882.