scholarly journals Impact of Turbocharger Compressor Pressure Ratio on Diesel Engine Performance and Nitrogen Oxides Emissions

2020 ◽  
Vol 8 (4) ◽  
pp. 191-200
Author(s):  
Abdullah  Alghafis ◽  
Eihab A Raouf ◽  
Abdumalik Aldahlawi ◽  
Faisal Alassaf ◽  
Abdulmajeed Alrsheedi ◽  
...  
Keyword(s):  
Diesel Engine ◽  
Nitrogen Oxides ◽  
Pressure Ratio ◽  
Engine Performance ◽  
Compressor Pressure Ratio

A review study on using diethyl ether in diesel engines: Effects on fuel properties, injection, and combustion characteristics

2019 ◽  
Vol 31 (2) ◽  
pp. 179-214 ◽  
Author(s):  
İsmet Sezer
Keyword(s):  
Particulate Matter ◽  
Diesel Engine ◽  
Nitrogen Oxides ◽  
Diethyl Ether ◽  
Diesel Engines ◽  
Alternative Fuels ◽  
Engine Performance ◽  
Fuel Additive ◽  
Fuel Additives ◽  
Review Study

This study was compiled from the results of various researches performed on using diethyl ether as a fuel or fuel additive in diesel engines. Three different techniques are used, the reduction of the harmful exhaust emissions of diesel engines. The first technique for the reduction of harmful emissions has improved the combustion by modification of engine design and fuel injection system, but this process is expensive and time-consuming. The second technique is the use of various exhaust gas devices like catalytic converter and diesel particulate filter. However, the use of these devices affects negatively diesel engine performance. The final technique to reduce emissions and also improve diesel engine performance is the use of various alternative fuels or fuel additives. The major pollutants of diesel engines are nitrogen oxides and particulate matter. It is very difficult to reduce nitrogen oxides and particulate matter emissions simultaneously in practice. Most researches declare that the best way to reduce these emissions is the use of various alternative fuels i.e. natural gas, biogas, biodiesel, or the use of fuel additives with these alternative fuels or conventional diesel fuel. Therefore, it is very important that the results of various studies on alternative fuels or fuel additives are evaluated together for practice applications. Especially, this study focuses on the use of diethyl ether in diesel engines as fuel or fuel additive in various diesel engine fuels. This review study investigates the effects of diethyl ether on the fuel properties, injection, and combustion characteristics.

scholarly journals Experimental Investigation of Performance and Emission Characteristics of IDI Diesel Engine Using Homogenized Water in Bio-Diesel Emulsion

2018 ◽  
Vol 225 ◽  
pp. 04022
Author(s):  
Zainal Ambri Abdul Karim ◽  
Mohammed Yahaya Khan
Keyword(s):  
Diesel Engine ◽  
Nitrogen Oxides ◽  
Diesel Fuel ◽  
Load Condition ◽  
Engine Performance ◽  
Gas Temperature ◽  
Simultaneous Reduction ◽  
Performance And Emission ◽  
Increase With Increase ◽  
Smoke Opacity

Water in diesel emulsion when used as fuel in diesel engine has shown simultaneous reduction in both nitrogen oxides and particulate matters. However, when water in bio-diesel emulsion is used, the effect of simultaneous reduction of nitrogen oxides and particulate reduction is not achieved. The current study aims at investigating the diesel engine performance and exhaust emissions using water in bio-diesel fuel prepared by a homogenizer that produced micro-water particles in the emulsion. A 1.8L indirect injection diesel engine was operated using bio-diesel fuel which contains 95% diesel and 5% palm oil methyl ester, mixed with 5%, 10% and 20% by volume of water. Engine testing was conducted at full load condition with the engine speeds ranges from 1000 to 4000 rpm. Torque, engine speed and fuel consumption were measured along with emissions of NOx, CO, CO2, HC, O2. The results showed small reduction in brake power, 1.4% and 2.1% for WBDE-5 and WBDE-10 respectively, at maximum torque. While, reduction in exhaust gas temperature, CO2 and smoke opacity for all the tested emulsions were exhibited. On the other hand, NOx was found to increase with increase in water contents due to the higher oxygen content in the bio-diesel fuel. WBDE-20 showed the worst efficacy due to having water content of 20% by volume.

scholarly journals Analysis of influence of using catalyst and polar additives on engine performance and exhaust emission

2019 ◽  
Vol 177 (2) ◽  
pp. 3-6
Author(s):  
Marcin TKACZYK ◽  
Maria SKRĘTOWICZ ◽  
Konrad KRAKOWIAN
Keyword(s):  
Carbon Monoxide ◽  
Diesel Engine ◽  
Nitrogen Oxides ◽  
Fuel Consumption ◽  
Engine Performance ◽  
Lubricating Oil ◽  
Exhaust Emission ◽  
Performance And Emission ◽  
Positive Effect ◽  
Catalytic Additive

In the paper researches of influence of using catalyst and polar additives on engine performance and emission of exhaust were carried out. The tests were made on diesel engine DuraTorq-TDDi/TDCi 16v with a capacity of 1998cm3 produced by Ford company. Two additives were investigated: FMAX – catalytic additive to fuel and HDOS – polar additive to lubricating oil in different proportions. The results indicated that using tested additives has a positive effect on exhaust composition (lower concentrations of nitrogen oxides, soot and carbon monoxide) and also decreased fuel consumption.

Design and Engine Performance Simulation of a Turbo-Cooling System

2010 ◽  
Author(s):  
Xin Shi ◽  
Chaochen Ma ◽  
Mingxu Qi ◽  
Wei Chen ◽  
Wenxiang Li
Keyword(s):  
Diesel Engine ◽  
Cooling System ◽  
Pressure Ratio ◽  
Engine Performance ◽  
Low Pressure ◽  
Expansion Ratio ◽  
Performance Simulation ◽  
Air Turbine ◽  
Set Up ◽  
Gas Recirculation

With the purpose of further lowering the intake temperature of diesel engine, a turbo-cooling system was developed, which was matched with a diesel engine. The system consists of two turbochargers and an intercooler: one turbocharger is the traditional exhaust driven turbo, and the other is an air turbocharger, which consists of a low expansion ratio radial air turbine coupled with a low pressure ratio centrifugal compressor. The 1-D preliminary design and the 3-D simulation of the air turbine and the low pressure ratio compressor were carried out. The new designed air turbine and compressor were manufactured and tested to get the performance maps. Further, the computational model of the diesel engine matched with this turbo-cooling system was set up. The simulated result shows that the turbo-cooling system can lower the intake temperature effectively and potential of reducing NOx exhaust. It is also can be expected that exhaust gas recirculation could be realized more easily.

Effect of Continuous Hydrogen Injection on Diesel Engine Performance and Emission

2017 ◽  
Vol 11 (4) ◽  
pp. 213
Author(s):  
Mohamad Nordin Mohamad Norani ◽  
Boon Tuan Tee ◽  
Zakaria Muhammad Zulfattah ◽  
Mohamad Norani Mansor ◽  
Md Isa Ali
Keyword(s):  
Diesel Engine ◽  
Engine Performance ◽  
Performance And Emission

Diesel Engine Performance with Karanja Biodiesel Oil by Using TOPSIS Method

2020 ◽  
Author(s):  
Mukul Agarwal ◽  
Shailendra Kumar ◽  
Bhupendra Singh Chauhan
Keyword(s):  
Diesel Engine ◽  
Engine Performance ◽  
Topsis Method

Improving diesel engine performance and emissions characteristics fuelled with biodiesel

Fuel ◽  
2021 ◽  
Vol 302 ◽  
pp. 121097
Author(s):  
M. Mourad ◽  
Khaled R.M. Mahmoud ◽  
El-Sadek H. NourEldeen
Keyword(s):  
Diesel Engine ◽  
Engine Performance ◽  
Performance And Emissions ◽  
Engine Performance And Emissions

scholarly journals Thermal Performance of Compression Ignition Engine Using High Content Biodiesels: A Comparative Study with Diesel Fuel

2021 ◽  
Vol 13 (14) ◽  
pp. 7688
Author(s):  
Asif Afzal ◽  
Manzoore Elahi M. Soudagar ◽  
Ali Belhocine ◽  
Mohammed Kareemullah ◽  
Nazia Hossain ◽  
...  
Keyword(s):  
Diesel Engine ◽  
Diesel Fuel ◽  
Fatty Acid Content ◽  
Engine Performance ◽  
Waste Cooking Oil ◽  
Gas Temperature ◽  
Compression Ignition Engine ◽  
Brake Thermal Efficiency ◽  
Acid Oil ◽  
Exhaust Gas Temperature

In this study, engine performance on thermal factors for different biodiesels has been studied and compared with diesel fuel. Biodiesels were produced from Pongamia pinnata (PP), Calophyllum inophyllum (CI), waste cooking oil (WCO), and acid oil. Depending on their free fatty acid content, they were subjected to the transesterification process to produce biodiesel. The main characterizations of density, calorific range, cloud, pour, flash and fire point followed by the viscosity of obtained biodiesels were conducted and compared with mineral diesel. The characterization results presented benefits near to standard diesel fuel. Then the proposed diesel engine was analyzed using four blends of higher concentrations of B50, B65, B80, and B100 to better substitute fuel for mineral diesel. For each blend, different biodiesels were compared, and the relative best performance of the biodiesel is concluded. This diesel engine was tested in terms of BSFC (brake-specific fuel consumption), BTE (brake thermal efficiency), and EGT (exhaust gas temperature) calculated with the obtained results. The B50 blend of acid oil provided the highest BTE compared to other biodiesels at all loads while B50 blend of WCO provided the lowest BSFC compared to other biodiesels, and B50 blends of all biodiesels provided a minimum % of the increase in EGT compared to diesel.

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