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Water Injection Effects on the Performance and Emission Characteristics of a CI Engine Operating with Biodiesel

By Belachew Tesfa, Rakesh Mishra, Fengshou Gu and Andrew Ball

Abstract

Biodiesel is one of the most promising renewable, alternative and environmentally friendly biofuels that can be used in diesel engine without any need for any modification in the engine. However, researchers have reported that the engines running with biodiesel emit NOx in higher concentrations. To address this problem, in the present study an experimental investigation has been carried out on the combustion, performance and emission characteristics of a compression ignition (CI) engine running with biodiesel under steady state conditions with a novel NOx reducing mechanism involving a water injections system. The experimental work has been conducted on a four-cylinder, four-stroke, direct injection (DI) as well as turbocharged diesel engine. In this investigation, biodiesel (produced from the rapeseed oil by transesterfication process) has been used. During the experiments the in-cylinder pressure, specific fuel consumption, water injection flow rate, fuel flow rate and exhaust emission (NOx, CO, CO2 and THC) were measured. The experimental results clearly indicate that water injection at a rate of 3kg/h results in the reduction of NOx emission by about 50% without causing any significant change in the specific fuel consumption. Furthermore, the water injection in the intake manifold has little effect on the in-cylinder pressure and heat release rate of the CI engine under different operating conditions

Topics: TJ
Publisher: Elsevier
Year: 2012
OAI identifier: oai:eprints.hud.ac.uk:9678

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  1. (2009). A comparison between EGR and lean-burn strategies employed in a natural gas SI engine using a two-zone combustion model,” doi
  2. A comprehensive experimental investigation of combustion and heat release characteristics of a biodiesel (hazelnut kernel oil methyl ester) fueled direct injection compression ignition engine,” Fuel. doi
  3. (2010). A highly efficient six-stroke internal combustion engine cycle with water injection for in-cylinder exhaust heat recovery,” doi
  4. (1998). Catalytic NOx Reduction on a Passenger Car Diesel
  5. (2005). Characterization of light duty Diesel engine pollutant emissions using water-emulsified fuel,” doi
  6. (2009). Combining GTL fuel, reformed EGR and HC-SCR aftertreatment system to reduce diesel NOx emissions. A statistical approach,” doi
  7. (1998). Combustion of fat and vegetable oil derived fuels in diesel engines,” doi
  8. (2008). Cycle-Controlled Water Injection for Steady-State and Transient Emissions Reduction From a Heavy-Duty Diesel Engine,” doi
  9. (2008). Development of biofuels for the UK automotive market,” doi
  10. (2005). Diesel emissions from biofuels derived from Spanish potential vegetable oils,” doi
  11. (2006). Diesel engine performance and emission characteristics of biodiesel produced by the peroxidation process,” doi
  12. (2008). Effect of biodiesel fuels on diesel engine emissions,” doi
  13. (2004). Effect of EGR on the exhaust gas temperature and exhaust opacity in compression ignition engines,” doi
  14. (2007). Effect of water injection and spark timing on the nitric oxide emission and combustion parameters of a hydrogen fuelled spark ignition engine,” doi
  15. (2000). Effects of Biodiesel, Biodiesel Blends, and a Synthetic Diesel on doi
  16. (2008). Effects of diesel and water co-injection with-real control time control on diesel engine performance and emission,” doi
  17. (2001). Effects of diesel/water emulsion on heat flow and thermal loading in a precombustion chamber diesel engine,” doi
  18. (2010). Emission Behavior of a CI Engine Running by doi
  19. (2005). Emissions Control Techniques Applied to Industrial Vehicles,”
  20. (2006). Engine performance and emission characteristics of threephase diesel emulsions prepared by an ultrasonic emulsification method,” doi
  21. Environmeental Evaluation of Biofules,”
  22. (2001). Evaluation of the Effects of Water Injection doi
  23. (2003). Exhaust emissions from a Diesel engine fueled with transesterified waste olive oil[small star, doi
  24. (2005). Experimental and theoretical investigation of using gasoline-ethanol blends in spark-ignition engines,” doi
  25. (2010). Experimental study of inlet manifold water injection on combustion and emissions of an automotive direct injection Diesel engine,” doi
  26. (2000). Experimental study on the combustion characteristics of emulsified diesel in a rapid compression and expansion machine,” Proc IMechE, Part D: doi
  27. (2010). Influence of Biodiesel Addition to Fischer−Tropsch Fuel on Diesel Engine Performance and doi
  28. (2006). NOx Emissions Reduction Through Water Injection,” doi
  29. (2006). NOx Reduction from doi
  30. (2002). Numerical and experimental study of water/oil emulsified fuel combustion in a diesel engine,” doi
  31. (2005). Performance and emission evaluation of a diesel engine fueled with methyl esters of rubber seed oil,” doi
  32. (2004). Performance of single cylinder, direct injection Diesel engine using water fuel emulsions,” doi
  33. (1992). Physical Properties of Emulsion Fuel (Water/Oil-Type) and Its Effect on Engine Performance under doi
  34. (2002). Recent advances in the combustion of water fuel emulsion,” doi
  35. Standards: Europe: Cars and Light Trucks.” [Online].
  36. (2008). The effect of biodiesel fuel obtained from waste frying oil on direct injection diesel engine performance and exhaust emissions,” doi
  37. (1988). The Reduction in Diesel Particulate Emissions Using Emulsified Fuels,” doi

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