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- Title
Controlling No<sub>x</sub> in Modified High Pressure Split Injection Single Cylinder Diesel Engine with EGR-A Mathematical Approach.
- Authors
Balaji, Rajoo; Yeditha, Veeravenakata SatyanarayanaMurthy; Premkumar, Balaji Chittibabu; Talari, Surendra; Madaka, Ram Mohan Rao; Edara, Gautam
- Abstract
A single cylinder low powered diesel engine of 3.5kW was modified to run on Common rail direct injection high pressure split injection system. This modified engine was tested to run on the neat diesel with ultra-cooled exhaust gas recirculation. The adjustable working parameters i.e., injection pressures 200bar, 230bar, 250bar, 300bar and 350bar, retarded injection -11°, split injection -54°and -11°. After Top dead center position, Exhaust gas recirculation flow rates 5% & 10% respectively are tested on this engine under two typical operating conditions of ? full load of 0.875kW and ? full load of 2.625kW respectively. Single factor and multifactor orthogonal quadratic regression analysis has been carried to determine the effect of these 4 working parameters on engine emissions NOx. The mathematical equations characterizing the relationship between these 4 operating variables are formed. The equation of the NOx and noise was from the orthogonal regressive test under 1/4 Full load and ? Full load conditions was set as the objective function and the ranges of these 4 working variables are given as the constraint condition. Models of non-linear programming were then formulated and solved by using statistical analytical software. Test results showed that 10% Single Injection generates NOx of 194.87 parts per million while 10% Multiple fuel injection generates 199 while the minimum NOx that can be produced is 134.27.
- Subjects
DIESEL motors; ENGINE cylinders; DIESEL motor exhaust gas; EXHAUST gas recirculation; ENGINE testing; GAS flow
- Publication
International Journal of Heat & Technology, 2023, Vol 41, Issue 3, p679
- ISSN
0392-8764
- Publication type
Article
- DOI
10.18280/ijht.410321