Experimental study of the composition of hydrogen enriched compressed natural gas on engine performance, combustion and emission characteristics

Fuel ◽  
2015 ◽  
Vol 160 ◽  
pp. 470-478 ◽  
Author(s):  
Tadveer Singh Hora ◽  
Avinash Kumar Agarwal
Keyword(s):  
Experimental Study ◽  
Natural Gas ◽  
Engine Performance ◽  
Emission Characteristics ◽  
Compressed Natural Gas

scholarly journals Experimental Study of Ceramic Coated Piston Crown for Compressed Natural Gas Direct Injection Engines

2013 ◽  
Vol 68 ◽  
pp. 505-511 ◽  
Author(s):  
Helmisyah Ahmad Jalaludin ◽  
Shahrir Abdullah ◽  
Mariyam Jameelah Ghazali ◽  
Bulan Abdullah ◽  
Nik Rosli Abdullah
Keyword(s):  
Experimental Study ◽  
Natural Gas ◽  
Direct Injection ◽  
Compressed Natural Gas ◽  
Direct Injection Engines ◽  
Piston Crown

scholarly journals SI engine performance, lubricant oil deterioration, and emission: A comparison of liquid and gaseous fuel

2020 ◽  
Vol 12 (6) ◽  
pp. 168781402093045
Author(s):  
Muhammad Usman ◽  
Muhammad Wajid Saleem ◽  
Syed Saqib ◽  
Jamal Umer ◽  
Ahmad Naveed ◽  
...  
Keyword(s):  
Energy Consumption ◽  
Natural Gas ◽  
Specific Energy ◽  
Alternative Fuels ◽  
Specific Energy Consumption ◽  
Engine Performance ◽  
Operating Conditions ◽  
Compressed Natural Gas ◽  
Lubricant Oil ◽  
Brake Power

Considering the importance of alternative fuels in IC engines for environment safety, compressed natural gas has been extensively employed in SI engines. However, scarce efforts have been made to investigate the effect of compressed natural gas on engine lubricant oil for a long duration. In this regard, a comprehensive analysis has been made on the engine performance, emissions, and lubricant oil conditions using gasoline ( G)92 and compressed natural gas at different operating conditions using reliable sampling methods. The key parameters of the engine performance like brake power and brake-specific energy consumption were investigated at 80% throttle opening within 1500–4500 range of r/min. For the sake of emission tests, speed was varied uniformly by varying the load at a constant throttle. Furthermore, the engine was run at high and low loads for lubricant oil comparison. Although compressed natural gas showed a decrease in brake-specific energy consumption (7.94%) and emissions content, ( G)92 performed relatively better in the case of brake power (39.93% increase). Moreover, a significant improvement was observed for wear debris, lubricant oil physiochemical characteristics, and additives depletion in the case of compressed natural gas than those of ( G)92. The contents of metallic particles were decreased by 23.58%, 36.25%, 42.42%, and 66.67% for iron, aluminum, copper, and lead, respectively, for compressed natural gas.

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