Impact of Exhaust Gas Recirculation (EGR) on the Emission of the Dual-Fuel Diesel Engine with Hydrogen as a Secondary Fuel

2021 ◽  
Author(s):  
D. B. Lata ◽  
Asim Ahmad ◽  
Om Prakash ◽  
Md Modassir Khan ◽  
Rajeshwari Chatterjee ◽  
...  
Keyword(s):  
Diesel Engine ◽  
Exhaust Gas Recirculation ◽  
Dual Fuel ◽  
Exhaust Gas ◽  
Secondary Fuel ◽  
Gas Recirculation

Dual Fuel Turbocharged Engine Operated with Exhaust Gas Recirculation

2016 ◽  
Vol 34 (1) ◽  
pp. 21-27
Author(s):  
H.-W. Wu ◽  
T.-Z. Hsu ◽  
W.-H. Lai
Keyword(s):  
Diesel Engine ◽  
Consumption Rate ◽  
Direct Injection ◽  
Engine Performance ◽  
Exhaust Gas Recirculation ◽  
Dual Fuel ◽  
Exhaust Gas ◽  
Turbocharged Diesel Engine ◽  
Performance And Emissions ◽  
Gas Recirculation

AbstractWith good combustion characteristics, hydrogen has been developing as a clean alternative fuel of engines. This study is to develop a diesel/hydrogen dual fuel engine. The hydrogen was added at inlet port in a 4-cylinder direct injection turbocharged diesel engine with an EGR (Exhaust Gas Recirculation) system to investigate engine performance and exhaust pollutant. The measured items are composed of the gas pressure of cylinder, crank angle, consumption rate of diesel, consumption rate of hydrogen, air flow rate, emissions (HC, CO2, NOX, and Smoke), and so on. The authors analyze how the addition of hydrogen with EGR system influences the engine performance and emissions. The diesel/hydrogen dual fuel turbocharged engine can increase the brake thermal efficiency with a greater decrease in emissions compared with the turbocharged diesel engine. Furthermore, the authors little altered the engine structure to get the positive effect of energy saving and pollutant decreasing.

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